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Available in 19 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-19" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">19 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/IBM_PC/XT" title="IBM PC/XT – Azerbaijani" lang="az" hreflang="az" data-title="IBM PC/XT" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/IBM_PC/XT" title="IBM PC/XT – Belarusian" lang="be" hreflang="be" data-title="IBM PC/XT" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/IBM_Personal_Computer_XT" title="IBM Personal Computer XT – Catalan" lang="ca" hreflang="ca" data-title="IBM Personal Computer XT" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/IBM_Personal_Computer_XT" title="IBM Personal Computer XT – Czech" lang="cs" hreflang="cs" data-title="IBM Personal Computer XT" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/IBM_Personal_Computer_XT" title="IBM Personal Computer XT – German" lang="de" hreflang="de" data-title="IBM Personal Computer XT" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/IBM_Personal_Computer_XT" title="IBM Personal Computer XT – Spanish" lang="es" hreflang="es" data-title="IBM Personal Computer XT" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/IBM_PC/XT" title="IBM PC/XT – French" lang="fr" hreflang="fr" data-title="IBM PC/XT" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/IBM_PC_XT" title="IBM PC XT – Korean" lang="ko" hreflang="ko" data-title="IBM PC XT" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/IBM_Personal_Computer_XT" title="IBM Personal Computer XT – Italian" lang="it" hreflang="it" data-title="IBM Personal Computer XT" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/IBM_PC_XT" title="IBM PC XT – Dutch" lang="nl" hreflang="nl" data-title="IBM PC XT" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/IBM_PC_XT" title="IBM PC XT – Japanese" lang="ja" hreflang="ja" data-title="IBM PC XT" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/IBM_PC/XT" title="IBM PC/XT – Polish" lang="pl" hreflang="pl" data-title="IBM PC/XT" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/IBM_Personal_Computer_XT" title="IBM Personal Computer XT – Portuguese" lang="pt" hreflang="pt" data-title="IBM Personal Computer XT" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/IBM_PC/XT" title="IBM PC/XT – Russian" lang="ru" hreflang="ru" data-title="IBM PC/XT" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/IBM_Personal_Computer_XT" title="IBM Personal Computer XT – Slovak" lang="sk" hreflang="sk" data-title="IBM Personal Computer XT" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/IBM_PC_XT_-_Model_5160" title="IBM PC XT - Model 5160 – Serbian" lang="sr" hreflang="sr" data-title="IBM PC XT - Model 5160" data-language-autonym="Српски / srpski" 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<div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Personal computer model released in 1983</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox hproduct vevent"><caption class="infobox-title fn summary">IBM Personal Computer XT</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:IBM_Personal_Computer_XT_badge_recreation.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/IBM_Personal_Computer_XT_badge_recreation.svg/110px-IBM_Personal_Computer_XT_badge_recreation.svg.png" decoding="async" width="110" height="110" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/IBM_Personal_Computer_XT_badge_recreation.svg/165px-IBM_Personal_Computer_XT_badge_recreation.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c2/IBM_Personal_Computer_XT_badge_recreation.svg/220px-IBM_Personal_Computer_XT_badge_recreation.svg.png 2x" data-file-width="141" data-file-height="141" /></a></span></td></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Ibm_px_xt_color.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Ibm_px_xt_color.jpg/220px-Ibm_px_xt_color.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Ibm_px_xt_color.jpg/330px-Ibm_px_xt_color.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Ibm_px_xt_color.jpg/440px-Ibm_px_xt_color.jpg 2x" data-file-width="2832" data-file-height="2128" /></a></span></td></tr><tr><th scope="row" class="infobox-label"><span class="nowrap">Also known as</span></th><td class="infobox-data">IBM XT, PC/XT, XT</td></tr><tr><th scope="row" class="infobox-label">Manufacturer</th><td class="infobox-data"><a href="/wiki/IBM" title="IBM">IBM</a></td></tr><tr><th scope="row" class="infobox-label">Type</th><td class="infobox-data"><a href="/wiki/Personal_computer" title="Personal computer">Personal computer</a></td></tr><tr><th scope="row" class="infobox-label">Release date</th><td class="infobox-data">March 8, 1983<span class="noprint">; 41 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1983-03-08</span>)</span></td></tr><tr><th scope="row" class="infobox-label">Discontinued</th><td class="infobox-data">April 1987<span style="display:none"> (<span class="dtend itvend">1987-04</span>)</span></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="/wiki/IBM_BASIC" title="IBM BASIC">IBM BASIC</a> / <a href="/wiki/PC_DOS" class="mw-redirect" title="PC DOS">PC DOS</a> 2.0-3.20 / <a href="/wiki/PC/IX" class="mw-redirect" title="PC/IX">PC/IX</a> / <a href="/wiki/Santa_Cruz_Operation" title="Santa Cruz Operation">SCO</a> <a href="/wiki/Xenix" title="Xenix">Xenix</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Central_processing_unit" title="Central processing unit">CPU</a></th><td class="infobox-data"><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> @ 4.77 MHz</td></tr><tr><th scope="row" class="infobox-label">Memory</th><td class="infobox-data">128 KB – 640 KB</td></tr><tr><th scope="row" class="infobox-label">Storage</th><td class="infobox-data">10–20 MB hard drive</td></tr><tr><th scope="row" class="infobox-label">Graphics</th><td class="infobox-data"><a href="/wiki/IBM_Monochrome_Display_Adapter" title="IBM Monochrome Display Adapter">MDA</a>, <a href="/wiki/Color_Graphics_Adapter" title="Color Graphics Adapter">CGA</a></td></tr><tr><th scope="row" class="infobox-label">Sound</th><td class="infobox-data"><a href="/wiki/PC_speaker" title="PC speaker">PC speaker</a> 1-channel square-wave/1-bit digital (<a href="/wiki/Pulse-width_modulation" title="Pulse-width modulation">PWM</a>-capable)</td></tr><tr><th scope="row" class="infobox-label">Power</th><td class="infobox-data">120/240 VAC</td></tr><tr><th scope="row" class="infobox-label">Dimensions</th><td class="infobox-data">W: 19.5 in (50 cm)<br />H: 5.5 in (14 cm)<br />D: 16 in (41 cm)</td></tr><tr><th scope="row" class="infobox-label">Mass</th><td class="infobox-data">32 lb (15 kg)</td></tr><tr><th scope="row" class="infobox-label">Predecessor</th><td class="infobox-data"><a href="/wiki/IBM_Personal_Computer" title="IBM Personal Computer">IBM Personal Computer</a></td></tr><tr><th scope="row" class="infobox-label">Successor</th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><a href="/wiki/IBM_Personal_Computer_AT" title="IBM Personal Computer AT">IBM Personal Computer AT</a> (next model)</li><li><a href="/wiki/IBM_PS/2_Model_30" title="IBM PS/2 Model 30">IBM PS/2 Model 30</a> (direct replacement)</li></ul></div></td></tr><tr><th scope="row" class="infobox-label">Related</th><td class="infobox-data"><a href="/wiki/List_of_IBM_Personal_Computer_models" title="List of IBM Personal Computer models">List of IBM Personal Computer models</a></td></tr></tbody></table> <p>The <b>IBM Personal Computer XT</b> (model 5160, often shortened to <b>PC/XT</b>) is the second computer in the <a href="/wiki/IBM_Personal_Computer" title="IBM Personal Computer">IBM Personal Computer</a> line, released on March 8, 1983.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Except for the addition of a built-in <a href="/wiki/Hard_disk_drive" title="Hard disk drive">hard drive</a> and extra expansion slots, it is very similar to the original IBM PC model 5150 from 1981. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Name">Name</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=1" title="Edit section: Name"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>IBM did not specify an expanded form of "XT" on the machine, press releases, brochures or documentation, but some publications expanded the term as "<i>eXtended Technology</i>" or just "<i>eXTended</i>".<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Features">Features</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=2" title="Edit section: Features"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The XT was regarded as an incremental improvement over the PC and a disappointment compared to the next-generation successor that some had anticipated. Compared to the original IBM PC, the XT has the following major differences:<sup id="cite_ref-:0_3-0" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <ul><li>The number of expansion slots was increased from five to eight</li> <li>Base RAM was increased to at least 128 KB</li> <li>2x32KB ROM ICs replace the previous 5x8KB ROM ICs</li> <li>A 10 MB hard drive was included as standard equipment, with a <a href="/wiki/Disk_controller" title="Disk controller">disk controller</a> featuring <a href="/wiki/Xebec_Corporation" title="Xebec Corporation">Xebec</a> ICs<sup id="cite_ref-wired_4-0" class="reference"><a href="#cite_note-wired-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 111">: 111 </span></sup></li> <li><a href="/wiki/IBM_PC_DOS#PC_DOS_2.x" title="IBM PC DOS">PC DOS 2.0</a> was included</li> <li>The <a href="/wiki/DIN_connector#Analog_audio" title="DIN connector">5-pin DIN</a> for the cassette interface was removed</li></ul> <p>Otherwise the specifications are identical to the original PC. </p> <div class="mw-heading mw-heading3"><h3 id="Expansion_slots">Expansion slots</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=3" title="Edit section: Expansion slots"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The number of expansion slots in the original IBM PC was a limiting factor for the product, since essential components (such as the video controller, disk controller and printer interface) each came as separate expansion cards and could quickly fill up all five available slots, requiring the user to swap cards in and out as tasks demanded.<sup id="cite_ref-dievendorff19811007_5-0" class="reference"><a href="#cite_note-dievendorff19811007-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Some PC clones addressed this problem by integrating components into the motherboard to free up slots,<sup id="cite_ref-freeze19851216_6-0" class="reference"><a href="#cite_note-freeze19851216-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> while peripheral manufacturers produced products which integrated multiple functions into one card.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:1_8-0" class="reference"><a href="#cite_note-:1-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>The XT addressed the problem by adding three extra expansion slots for a total of eight. While the slots themselves are identical to those in the original PC, the amount of physical space in the chassis differs, so two of the new slots (located behind the hard drive) cannot accept full-length cards. In addition, the spacing of the slots is narrower than in the original PC, making it impossible to install some multi-board cards.<sup id="cite_ref-:0_3-1" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:1_8-1" class="reference"><a href="#cite_note-:1-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Expansion_unit">Expansion unit</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=4" title="Edit section: Expansion unit"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The 5161 is an expansion chassis using an identical case and power supply to the XT, but instead of a system board, provides a backplane with eight card slots. It connects to the main system unit using an Extender Card in the system unit and a Receiver Card in the Expansion Unit, connected by a custom cable.<sup id="cite_ref-:0_3-2" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The 5161 shipped with a 10 MB hard drive, and had room for a second one.<sup id="cite_ref-:1_8-2" class="reference"><a href="#cite_note-:1-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>The Expansion Unit can also contain extra memory, but the Extender card inserts wait states for memory in the Expansion Unit, so it may be preferable to install memory into the main system unit. </p><p>The 5161 can be connected to either an XT or to the earlier 5150 (the original IBM PC).<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Other_features">Other features</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=5" title="Edit section: Other features"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>PC DOS 2.0 offers a 9-sector <a href="/wiki/Floppy_disk" title="Floppy disk">floppy disk</a> format, providing 180K/360K (single- vs. dual-sided) capacity per disk, compared to the 160K/320K provided by the 8-sector format of previous releases.<sup id="cite_ref-:0_3-3" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The XT was not offered in a floppy-only model for its first two years on the market, although the standard ribbon cable with two floppy connectors was still included. At that time, in order to get a second floppy drive, the user had to purchase the 5161 expansion chassis.<sup id="cite_ref-:1_8-3" class="reference"><a href="#cite_note-:1-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>Like the original PC, the XT came with <a href="/wiki/IBM_BASIC" title="IBM BASIC">IBM BASIC</a> in <a href="/wiki/Read-only_memory" title="Read-only memory">ROM</a>. The XT BIOS also displays a memory count during the <a href="/wiki/Power-on_self-test" title="Power-on self-test">POST</a>, unlike the original PC. </p><p>The XT has a desktop case similar to that of the IBM PC. It weighs 32 pounds (15 kg) and is approximately 19.5 inches (50 cm) wide by 16 inches (41 cm) deep by 5.5 inches (14 cm) high. </p><p>Similarly to the original IBM PC, the XT main board included a socket for the <a href="/wiki/Intel_8087" title="Intel 8087">Intel 8087</a> <a href="/wiki/Floating_point" class="mw-redirect" title="Floating point">floating point</a> arithmetic <a href="/wiki/Coprocessor" title="Coprocessor">coprocessor</a>. This optional chip, when installed, greatly accelerated arithmetic for such applications as <a href="/wiki/Computer_aided_design" class="mw-redirect" title="Computer aided design">computer aided design</a> or other software that required large amounts of arithmetical calculations. Only software that was especially written to take advantage of the coprocessor would show a significant speedup.<sup id="cite_ref-Mueller92_10-0" class="reference"><a href="#cite_note-Mueller92-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/Power_supply_unit_(computer)" title="Power supply unit (computer)">power supply</a> is 130 watts, an upgrade from the original PC. Those sold in the US were configured for 120 V AC only and could not be used with 240 V mains supplies.<sup id="cite_ref-Mueller92_10-1" class="reference"><a href="#cite_note-Mueller92-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> XTs with 240 V-compatible power supplies were later sold in international markets. Both were rated at 130 watts.<sup id="cite_ref-sim62_11-0" class="reference"><a href="#cite_note-sim62-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Revisions_and_variants">Revisions and variants</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=6" title="Edit section: Revisions and variants"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:IBM_PC_XT_5160.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/1/11/IBM_PC_XT_5160.JPG/220px-IBM_PC_XT_5160.JPG" decoding="async" width="220" height="293" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/1/11/IBM_PC_XT_5160.JPG/330px-IBM_PC_XT_5160.JPG 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/1/11/IBM_PC_XT_5160.JPG/440px-IBM_PC_XT_5160.JPG 2x" data-file-width="1224" data-file-height="1632" /></a><figcaption>IBM PC/XT 5160 dual floppy drives with 5153 Color Monitor</figcaption></figure> <p>IBM made several submodels of the XT. </p><p>The <a href="/wiki/IBM_3270_PC" title="IBM 3270 PC">3270 PC</a>, a variant of the XT featuring <a href="/wiki/3270_terminal" class="mw-redirect" title="3270 terminal">3270 terminal</a> emulation, was released in October 1983. </p><p>Submodel 068 and 078, released in 1985, offered dual-floppy configurations without a hard drive as well, and the new <a href="/wiki/Enhanced_Graphics_Adapter" title="Enhanced Graphics Adapter">Enhanced Graphics Adapter</a> and <a href="/wiki/Professional_Graphics_Adapter" class="mw-redirect" title="Professional Graphics Adapter">Professional Graphics Adapter</a> became available as video card options.<sup id="cite_ref-Mueller92_10-2" class="reference"><a href="#cite_note-Mueller92-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>In 1986, the 256–640 KB motherboard models were launched, which switched to half-height drives. </p><p>Submodels 268, 278 and 089 came with 101-key keyboards (essentially the IBM Model M, but in a modified variant that used the XT's keyboard protocol and lacked LEDs). </p><p>Submodels 267, 277 and 088 had the original keyboard, but 3.5" floppy drives became available and 20MB Seagate ST-225 hard disks in 5.25" half-height size replaced the full-height 10 MB drives. </p><p>Submodel 788 was the only XT sold with the <a href="/wiki/Color_Graphics_Adapter" title="Color Graphics Adapter">Color Graphics Adapter</a> as a standard feature.<sup id="cite_ref-sim62_11-1" class="reference"><a href="#cite_note-sim62-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>Submodels 568, 588, and 589 were used as basis for the <a href="/wiki/XT/370" class="mw-redirect" title="XT/370">XT/370</a>; they had an additional (co-)processor board that could execute <a href="/wiki/System/370" class="mw-redirect" title="System/370">System/370</a> instructions.<sup id="cite_ref-sim62_11-2" class="reference"><a href="#cite_note-sim62-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> An XT-based machine with a <a href="/wiki/Series/1" class="mw-redirect" title="Series/1">Series/1</a> co-processor board existed as well, but it had its own System Unit number, the <a href="/w/index.php?title=IBM_4950&action=edit&redlink=1" class="new" title="IBM 4950 (page does not exist)">IBM 4950</a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="XT_286">XT 286 <span class="anchor" id="IBM_XT_286"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=7" title="Edit section: XT 286"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1062633282">@media all and (max-width:720px){.mw-parser-output .content .thumb>div:not(.thumbinner){display:flex;justify-content:center;flex-wrap:wrap;align-content:flex-start;flex-direction:column}}body.skin-vector .mw-parser-output div.thumb>div:not(.thumbinner){font-size:94%;text-align:center;overflow:hidden;min-width:100px}body.skin-minerva .mw-parser-output div.thumb>div:not(.thumbinner){margin:0 auto;max-width:100%!important}</style> <div class="thumb tright"> <div style="display:table;"> <span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:IBM_Personal_Computer_XT_286_badge_recreation.svg" class="mw-file-description" title="XT 286 badge"><img alt="XT 286 badge" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/IBM_Personal_Computer_XT_286_badge_recreation.svg/110px-IBM_Personal_Computer_XT_286_badge_recreation.svg.png" decoding="async" width="110" height="110" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/IBM_Personal_Computer_XT_286_badge_recreation.svg/165px-IBM_Personal_Computer_XT_286_badge_recreation.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e5/IBM_Personal_Computer_XT_286_badge_recreation.svg/220px-IBM_Personal_Computer_XT_286_badge_recreation.svg.png 2x" data-file-width="141" data-file-height="141" /></a></span><div class="thumbcaption" style="display:table-caption;caption-side:bottom;box-sizing:border-box;">XT 286 badge </div> </div> </div> <p>In 1986, the <b>XT 286</b> (model 5162) was released with a 6 MHz <a href="/wiki/Intel_80286" title="Intel 80286">Intel 80286</a> processor. Despite being marketed as a lower-tier model than the <a href="/wiki/IBM_Personal_Computer/AT" class="mw-redirect" title="IBM Personal Computer/AT">IBM AT</a>, this system runs many applications faster than the ATs of the time with 6 MHz 286 processors, since it has zero-<a href="/wiki/Wait_state" title="Wait state">wait state</a> RAM.<sup id="cite_ref-Mueller92_10-3" class="reference"><a href="#cite_note-Mueller92-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 95">: 95 </span></sup> </p><p>It shipped with 640 KB RAM standard, an AT-style 1.2 MB high-density diskette drive and a 20 MB hard disk.<sup id="cite_ref-sim81_13-0" class="reference"><a href="#cite_note-sim81-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> Despite these features, reviews rated it as a poor market value.<sup id="cite_ref-Inc.1987_15-0" class="reference"><a href="#cite_note-Inc.1987-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>The XT 286 uses a 157-watt power supply, which can internally switch between 115 or 230 V AC operation.<sup id="cite_ref-sim81_13-1" class="reference"><a href="#cite_note-sim81-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p><span class="anchor" id="End_of_life"></span>Both the original XT and the XT/286 was discontinued in late 1987 after the launch of the <a href="/wiki/IBM_PS/2" title="IBM PS/2">IBM Personal System/2</a> (PS/2) line. The 8086-powered <a href="/wiki/IBM_PS/2_Model_30" title="IBM PS/2 Model 30">IBM PS/2 Model 30</a> served as the direct replacement for the XT in that PS/2 line. Unlike higher-end entries in the PS/2 line, which feature the <a href="/wiki/Micro_Channel_architecture" title="Micro Channel architecture">Micro Channel</a> expansion bus, the Model 30 contains 8-bit ISA bus slots, exactly like the XT. </p> <div class="mw-heading mw-heading3"><h3 id="Comparison_table">Comparison table</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=8" title="Edit section: Comparison table"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/List_of_IBM_Personal_Computer_models" title="List of IBM Personal Computer models">List of IBM Personal Computer models</a></div> <table class="wikitable sortable sticky-header sort-under"> <caption>IBM Personal Computer XT models </caption> <tbody><tr> <th>Type </th> <th>IBM <abbr title="part number">P/N</abbr> </th> <th>Date announced </th> <th>Date withdrawn </th> <th>Bus </th> <th><abbr title="Number">No.</abbr> of<br />slots </th> <th><abbr title="Number">No.</abbr> of<br />bays </th> <th>Processor </th> <th>Clock<br />speed<br /><span style="font-size:85%;">(MHz)</span> </th> <th>Stock onboard RAM<br /><span style="font-size:85%;">(KB)</span> </th> <th>Maximum onboard RAM<br /><span style="font-size:85%;">(KB)</span> </th> <th><abbr title="Floppy disk drive">FDD</abbr> </th> <th><abbr title="Hard disk drive">HDD</abbr> </th> <th>Notes </th> <th>Ref(s). </th></tr> <tr> <td>XT </td> <td>5160-087 </td> <td><span data-sort-value="000000001983-03-08-0000" style="white-space:nowrap">March 1983</span> </td> <td><span data-sort-value="000000001984-06-19-0000" style="white-space:nowrap">June 1984</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>128 KB </td> <td>640 KB </td> <td>360 KB </td> <td>10 MB </td> <td>  </td> <td><sup id="cite_ref-ibmref40_16-0" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-firstshoe_17-0" class="reference"><a href="#cite_note-firstshoe-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-mueller4ed_18-0" class="reference"><a href="#cite_note-mueller4ed-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 1068">: 1068 </span></sup> </td></tr> <tr> <td>XT </td> <td>5160-086 </td> <td><span data-sort-value="000000001984-06-19-0000" style="white-space:nowrap">June 1984</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>10 MB </td> <td>  </td> <td><sup id="cite_ref-ibmref40_16-1" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-ibmslashes_19-0" class="reference"><a href="#cite_note-ibmslashes-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-optimistic_20-0" class="reference"><a href="#cite_note-optimistic-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bridgesetal_21-0" class="reference"><a href="#cite_note-bridgesetal-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT </td> <td>5160-068 </td> <td><span data-sort-value="000000001985-04-02-0000" style="white-space:nowrap">April 1985</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>none </td> <td>  </td> <td><sup id="cite_ref-ibmref40_16-2" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-mueller4ed_18-1" class="reference"><a href="#cite_note-mueller4ed-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 1068">: 1068 </span></sup><sup id="cite_ref-sager_22-0" class="reference"><a href="#cite_note-sager-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-optimistic_20-1" class="reference"><a href="#cite_note-optimistic-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bridgesetal_21-1" class="reference"><a href="#cite_note-bridgesetal-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT </td> <td>5160-078 </td> <td><span data-sort-value="000000001985-04-02-0000" style="white-space:nowrap">April 1985</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>two 360 KB </td> <td>none </td> <td>  </td> <td><sup id="cite_ref-ibmref40_16-3" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-mueller4ed_18-2" class="reference"><a href="#cite_note-mueller4ed-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 1068">: 1068 </span></sup><sup id="cite_ref-sager_22-1" class="reference"><a href="#cite_note-sager-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-optimistic_20-2" class="reference"><a href="#cite_note-optimistic-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bridgesetal_21-2" class="reference"><a href="#cite_note-bridgesetal-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT </td> <td>5160-088 </td> <td><span data-sort-value="000000001986-04-02-0000" style="white-space:nowrap">April 1986</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>512 KB </td> <td>640 KB </td> <td>360 KB </td> <td>20 MB </td> <td>Shipped with original IBM PC "Model F" keyboard </td> <td><sup id="cite_ref-ibmref40_16-4" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-ibmblitz_23-0" class="reference"><a href="#cite_note-ibmblitz-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-optimistic_20-3" class="reference"><a href="#cite_note-optimistic-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bridgesetal_21-3" class="reference"><a href="#cite_note-bridgesetal-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT </td> <td>5160-089 </td> <td><span data-sort-value="000000001986-04-02-0000" style="white-space:nowrap">April 1986</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>512 KB </td> <td>640 KB </td> <td>360 KB </td> <td>20 MB </td> <td>Shipped with Enhanced Keyboard </td> <td><sup id="cite_ref-ibmref40_16-5" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-ibmblitz_23-1" class="reference"><a href="#cite_note-ibmblitz-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-optimistic_20-4" class="reference"><a href="#cite_note-optimistic-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bridgesetal_21-4" class="reference"><a href="#cite_note-bridgesetal-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT </td> <td>5160-267 </td> <td><span data-sort-value="000000001986-04-02-0000" style="white-space:nowrap">April 1986</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>none </td> <td>Shipped with original IBM PC "Model F" keyboard </td> <td><sup id="cite_ref-ibmref40_16-6" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-ibmblitz_23-2" class="reference"><a href="#cite_note-ibmblitz-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-optimistic_20-5" class="reference"><a href="#cite_note-optimistic-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bridgesetal_21-5" class="reference"><a href="#cite_note-bridgesetal-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT </td> <td>5160-268 </td> <td><span data-sort-value="000000001986-04-02-0000" style="white-space:nowrap">April 1986</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>none </td> <td>Shipped with Enhanced Keyboard </td> <td><sup id="cite_ref-ibmref40_16-7" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-ibmblitz_23-3" class="reference"><a href="#cite_note-ibmblitz-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT </td> <td>5160-277 </td> <td><span data-sort-value="000000001986-04-02-0000" style="white-space:nowrap">April 1986</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>two 360 KB </td> <td>none </td> <td>Shipped with original IBM PC "Model F" keyboard </td> <td><sup id="cite_ref-ibmblitz_23-4" class="reference"><a href="#cite_note-ibmblitz-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT </td> <td>5160-278 </td> <td><span data-sort-value="000000001986-04-02-0000" style="white-space:nowrap">April 1986</span> </td> <td><span data-sort-value="000000001987-06-30-0000" style="white-space:nowrap">June 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>two 360 KB </td> <td>none </td> <td>Shipped with Enhanced Keyboard </td> <td><sup id="cite_ref-ibmref40_16-8" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-ibmblitz_23-5" class="reference"><a href="#cite_note-ibmblitz-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/IBM_3270_PC" title="IBM 3270 PC">3270 PC</a> </td> <td>5271-000 </td> <td style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; white-space: nowrap; text-align: center;" class="table-Unknown">Unknown </td> <td><span data-sort-value="000000001987-07-02-0000" style="white-space:nowrap">July 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>none </td> <td>Without printer adapter, fixed disk adapter, and keyboard </td> <td><sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-libes_25-0" class="reference"><a href="#cite_note-libes-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/IBM_3270_PC" title="IBM 3270 PC">3270 PC</a> </td> <td>5271-002 </td> <td><span data-sort-value="000000001983-10-01-0000" style="white-space:nowrap">October 1983</span> </td> <td><span data-sort-value="000000001987-07-02-0000" style="white-space:nowrap">July 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>none </td> <td>Without printer adapter and fixed disk adapter </td> <td><sup id="cite_ref-ibmref40_16-9" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 49">: 49 </span></sup><sup id="cite_ref-ibmslashes_19-1" class="reference"><a href="#cite_note-ibmslashes-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ibm3270announcement_26-0" class="reference"><a href="#cite_note-ibm3270announcement-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 10">: 10 </span></sup><sup id="cite_ref-libes_25-1" class="reference"><a href="#cite_note-libes-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/IBM_3270_PC" title="IBM 3270 PC">3270 PC</a> </td> <td>5271-004 </td> <td><span data-sort-value="000000001983-10-01-0000" style="white-space:nowrap">October 1983</span> </td> <td><span data-sort-value="000000001987-07-02-0000" style="white-space:nowrap">July 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>320 KB </td> <td>640 KB </td> <td>360 KB </td> <td>none </td> <td>Without fixed disk adapter; stock onboard RAM increased to 384 KB in June 1984 </td> <td><sup id="cite_ref-ibmref40_16-10" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 49">: 49 </span></sup><sup id="cite_ref-ibmslashes_19-2" class="reference"><a href="#cite_note-ibmslashes-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ibm3270announcement_26-1" class="reference"><a href="#cite_note-ibm3270announcement-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 10">: 10 </span></sup><sup id="cite_ref-libes_25-2" class="reference"><a href="#cite_note-libes-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/IBM_3270_PC" title="IBM 3270 PC">3270 PC</a> </td> <td>5271-006 </td> <td><span data-sort-value="000000001983-10-01-0000" style="white-space:nowrap">October 1983</span> </td> <td><span data-sort-value="000000001987-07-02-0000" style="white-space:nowrap">July 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>320 KB </td> <td>640 KB </td> <td>360 KB </td> <td>10 MB </td> <td>With fixed disk adapter; stock onboard RAM increased to 384 KB in June 1984 </td> <td><sup id="cite_ref-ibmref40_16-11" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 49">: 49 </span></sup><sup id="cite_ref-ibmslashes_19-3" class="reference"><a href="#cite_note-ibmslashes-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ibm3270announcement_26-2" class="reference"><a href="#cite_note-ibm3270announcement-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 10">: 10 </span></sup><sup id="cite_ref-libes_25-3" class="reference"><a href="#cite_note-libes-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/IBM_Personal_Computer_XT/370" class="mw-redirect" title="IBM Personal Computer XT/370">XT/370</a> </td> <td>5160-568 </td> <td><span data-sort-value="000000001984-10-25-0000" style="white-space:nowrap">October 1984</span> </td> <td><span data-sort-value="000000001987-04-02-0000" style="white-space:nowrap">April 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>none </td> <td> </td> <td><sup id="cite_ref-ibmref40_16-12" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-ibm3270announcement_26-3" class="reference"><a href="#cite_note-ibm3270announcement-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-givesup_27-0" class="reference"><a href="#cite_note-givesup-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/IBM_Personal_Computer_XT/370" class="mw-redirect" title="IBM Personal Computer XT/370">XT/370</a> </td> <td>5160-588 </td> <td><span data-sort-value="000000001984-10-25-0000" style="white-space:nowrap">October 1984</span> </td> <td><span data-sort-value="000000001987-04-02-0000" style="white-space:nowrap">April 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>10 MB </td> <td> </td> <td><sup id="cite_ref-ibmref40_16-13" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-ibm3270announcement_26-4" class="reference"><a href="#cite_note-ibm3270announcement-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-givesup_27-1" class="reference"><a href="#cite_note-givesup-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/IBM_Personal_Computer_XT/370" class="mw-redirect" title="IBM Personal Computer XT/370">XT/370</a> </td> <td>5160-589 </td> <td><span data-sort-value="000000001984-10-25-0000" style="white-space:nowrap">October 1984</span> </td> <td><span data-sort-value="000000001987-04-02-0000" style="white-space:nowrap">April 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 8-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_8088" title="Intel 8088">Intel 8088</a> </td> <td>4.77 </td> <td>256 KB </td> <td>640 KB </td> <td>360 KB </td> <td>10 MB </td> <td> </td> <td><sup id="cite_ref-ibmref40_16-14" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 236">: 236 </span></sup><sup id="cite_ref-givesup_27-2" class="reference"><a href="#cite_note-givesup-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>XT Model 286 </td> <td>5162-286 </td> <td><span data-sort-value="000000001986-09-02-0000" style="white-space:nowrap">September 1986</span> </td> <td><span data-sort-value="000000001987-10-01-0000" style="white-space:nowrap">October 1987</span> </td> <td><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a>, 16-bit </td> <td>8 </td> <td>2 </td> <td><a href="/wiki/Intel_80286" title="Intel 80286">Intel 80286</a> </td> <td>6 </td> <td>640 KB </td> <td>640 KB </td> <td>1.2 MB </td> <td>20 MB </td> <td>  </td> <td><sup id="cite_ref-ibmref40_16-15" class="reference"><a href="#cite_note-ibmref40-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 48">: 48 </span></sup><sup id="cite_ref-Ristelhueber_28-0" class="reference"><a href="#cite_note-Ristelhueber-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bridgesetal_21-6" class="reference"><a href="#cite_note-bridgesetal-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Reception">Reception</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=9" title="Edit section: Reception"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The XT was well received, although PC DOS 2.0 was regarded as a greater improvement than any of the hardware changes, and by the end of 1983 IBM was selling every unit they made.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> By 1985 the <a href="/wiki/IBM_PC_AT" class="mw-redirect" title="IBM PC AT">IBM PC AT</a> made the XT obsolete for most customers.<sup id="cite_ref-pournelle198501_30-0" class="reference"><a href="#cite_note-pournelle198501-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Timeline">Timeline</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=10" title="Edit section: Timeline"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable"> <tbody><tr> <th>Timeline of the IBM Personal Computer <style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output 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<tr> <td><div class="timeline-wrapper"><map name="timeline_203na3nfq7791c8r7gdva9f89dv346n"><area shape="rect" href="/wiki/IBM_ThinkCentre" coords="696,266,793,286" title="IBM ThinkCentre" alt="IBM ThinkCentre" /><area shape="rect" href="/wiki/IBM_NetVista" coords="629,246,709,267" title="IBM NetVista" alt="IBM NetVista" /><area shape="rect" href="/wiki/IBM_Palm_Top_PC_110" coords="516,226,636,247" title="IBM Palm Top PC 110" alt="IBM Palm Top PC 110" /><area shape="rect" href="/wiki/IBM_PC_Series" coords="494,207,580,227" title="IBM PC Series" alt="IBM PC Series" /><area shape="rect" href="/wiki/IBM_Aptiva" coords="492,187,561,207" title="IBM Aptiva" alt="IBM Aptiva" /><area shape="rect" href="/wiki/IBM_PS/ValuePoint" coords="445,167,553,188" title="IBM PS/ValuePoint" alt="IBM PS/ValuePoint" /><area shape="rect" href="/wiki/ThinkPad" coords="445,147,525,168" title="ThinkPad" alt="ThinkPad" /><area shape="rect" href="/wiki/EduQuest" coords="432,127,513,148" title="EduQuest" alt="EduQuest" /><area shape="rect" href="/wiki/IBM_PS/note" coords="430,108,505,128" title="IBM PS/note" alt="IBM PS/note" /><area shape="rect" href="/wiki/Ambra_Computer_Corporation" coords="426,88,490,109" title="Ambra Computer Corporation" alt="Ambra Computer Corporation" /><area shape="rect" href="/wiki/IBM_PCradio" coords="424,68,499,89" title="IBM PCradio" alt="IBM PCradio" /><area shape="rect" href="/wiki/IBM_PS/1" coords="377,48,436,69" title="IBM PS/1" alt="IBM PS/1" /><area shape="rect" href="/wiki/IBM_PS/55" coords="310,29,374,49" title="IBM PS/55" alt="IBM PS/55" /><area shape="rect" href="/wiki/IBM_PS/2" coords="310,9,368,30" title="IBM PS/2" alt="IBM PS/2" /><area shape="rect" href="/wiki/IBM_Personal_Computer_XT_286" coords="296,325,465,346" title="IBM Personal Computer XT 286" alt="IBM Personal Computer XT 286" /><area shape="rect" href="/wiki/IBM_PC_Convertible" coords="285,305,399,326" title="IBM PC Convertible" alt="IBM PC Convertible" /><area shape="rect" href="/wiki/IBM_JX" coords="250,286,298,306" title="IBM JX" alt="IBM JX" /><area shape="rect" href="/wiki/IBM_Personal_Computer_AT/370" coords="249,266,418,286" title="IBM Personal Computer AT/370" alt="IBM Personal Computer AT/370" /><area shape="rect" href="/wiki/IBM_Personal_Computer_AT" coords="245,246,393,267" title="IBM Personal Computer AT" alt="IBM Personal Computer AT" /><area shape="rect" href="/wiki/IBM_Industrial_Computer" coords="238,226,380,247" title="IBM Industrial Computer" alt="IBM Industrial Computer" /><area shape="rect" href="/wiki/IBM_PCjr" coords="234,207,293,227" title="IBM PCjr" alt="IBM PCjr" /><area shape="rect" href="/wiki/IBM_Portable_Personal_Computer" coords="232,187,413,207" title="IBM Portable Personal Computer" alt="IBM Portable Personal Computer" /><area shape="rect" href="/wiki/IBM_Personal_Computer_XT/370" coords="224,167,393,188" title="IBM Personal Computer XT/370" alt="IBM Personal Computer XT/370" /><area shape="rect" href="/wiki/IBM_3270_PC" coords="224,147,299,168" title="IBM 3270 PC" alt="IBM 3270 PC" /><area shape="rect" href="/wiki/IBM_Personal_Computer_XT" coords="210,127,357,148" title="IBM Personal Computer XT" alt="IBM Personal Computer XT" /><area shape="rect" href="/wiki/IBM_5550" coords="210,108,268,128" title="IBM 5550" alt="IBM 5550" /><area shape="rect" href="/wiki/IBM_Personal_Computer" coords="172,88,302,109" title="IBM Personal Computer" alt="IBM Personal Computer" /><area shape="rect" href="/wiki/IBM_System/23_Datamaster" coords="157,68,304,89" title="IBM System/23 Datamaster" alt="IBM System/23 Datamaster" /><area shape="rect" href="/wiki/IBM_5120" coords="132,48,190,69" title="IBM 5120" alt="IBM 5120" /><area shape="rect" href="/wiki/IBM_5110" coords="83,29,141,49" title="IBM 5110" alt="IBM 5110" /><area shape="rect" href="/wiki/IBM_5100" coords="26,9,84,30" title="IBM 5100" alt="IBM 5100" /></map><img usemap="#timeline_203na3nfq7791c8r7gdva9f89dv346n" src="//upload.wikimedia.org/wikipedia/en/timeline/203na3nfq7791c8r7gdva9f89dv346n.png" /></div> </td></tr> <tr> <td style="text-align:center;">Asterisk (*) denotes a model released in Japan only </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=11" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Amiga_Sidecar" title="Amiga Sidecar">Amiga Sidecar</a></li> <li><a href="/wiki/PC-based_IBM-compatible_mainframes#Personal_Computer_XT/370" class="mw-redirect" title="PC-based IBM-compatible mainframes">PC-based IBM-compatible mainframes#Personal Computer XT/370</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=12" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFEnterprise1986" class="citation book cs1">Enterprise, I. D. G. (August 11, 1986). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=r6bSpuaCsE4C&q=IBM%20PC%20XT%20march%201983&pg=PA8"><i>Computerworld</i></a>. IDG Enterprise.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Computerworld&rft.pub=IDG+Enterprise&rft.date=1986-08-11&rft.aulast=Enterprise&rft.aufirst=I.+D.+G.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dr6bSpuaCsE4C%26q%3DIBM%2520PC%2520XT%2520march%25201983%26pg%3DPA8&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><a rel="nofollow" class="external text" href="http://ptgmedia.pearsoncmg.com/imprint_downloads/informit/que/upgrading/fourteenth_edition/DVD/PCs10th.pdf"><i>Upgrading and Repairing PCs, 10th Edition</i></a> <span class="cs1-format">(PDF)</span>. 1998. p. 1115.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Upgrading+and+Repairing+PCs%2C+10th+Edition&rft.pages=1115&rft.date=1998&rft_id=http%3A%2F%2Fptgmedia.pearsoncmg.com%2Fimprint_downloads%2Finformit%2Fque%2Fupgrading%2Ffourteenth_edition%2FDVD%2FPCs10th.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-:0-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:0_3-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:0_3-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation magazine cs1"><a rel="nofollow" class="external text" href="https://archive.org/details/byte-magazine-1983-05">"IBM Unveils Top-of-the-Line Personal Computer"</a>. <i>Byte</i>. Vol. 8, no. 5. May 1983. p. 520.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Byte&rft.atitle=IBM+Unveils+Top-of-the-Line+Personal+Computer&rft.volume=8&rft.issue=5&rft.pages=520&rft.date=1983-05&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fbyte-magazine-1983-05&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-wired-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-wired_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBarkow1996" class="citation magazine cs1">Barkow, Tim (October 1996). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20151112091504/https://www.wired.com/1996/10/es-intaglio/">"The Bottom Feeders"</a>. <i>Wired</i>. Vol. 4, no. 10. Wired Ventures. pp. 110–127. Archived from <a rel="nofollow" class="external text" href="https://www.wired.com/1996/10/es-intaglio/">the original</a> on November 12, 2015.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Wired&rft.atitle=The+Bottom+Feeders&rft.volume=4&rft.issue=10&rft.pages=110-127&rft.date=1996-10&rft.aulast=Barkow&rft.aufirst=Tim&rft_id=https%3A%2F%2Fwww.wired.com%2F1996%2F10%2Fes-intaglio%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-dievendorff19811007-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-dievendorff19811007_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDievendorff,_Dick1981" class="citation book cs1">Dievendorff, Dick (1981). <a rel="nofollow" class="external text" href="http://bitsavers.trailing-edge.com/pdf/ibm/pc/pc/"><i>IBM Personal Computer Questions and Answers</i></a>. IBM. pp. 9–10.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=IBM+Personal+Computer+Questions+and+Answers&rft.pages=9-10&rft.pub=IBM&rft.date=1981&rft.au=Dievendorff%2C+Dick&rft_id=http%3A%2F%2Fbitsavers.trailing-edge.com%2Fpdf%2Fibm%2Fpc%2Fpc%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-freeze19851216-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-freeze19851216_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFreeze,_Ken1985" class="citation news cs1">Freeze, Ken (December 16, 1985). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=cC8EAAAAMBAJ&pg=PA43">"Leading Edge: Superior Value In IBM-PC Clone Market Contest"</a>. <i>InfoWorld</i>. p. 43<span class="reference-accessdate">. Retrieved <span class="nowrap">July 22,</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=InfoWorld&rft.atitle=Leading+Edge%3A+Superior+Value+In+IBM-PC+Clone+Market+Contest&rft.pages=43&rft.date=1985-12-16&rft.au=Freeze%2C+Ken&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DcC8EAAAAMBAJ%26pg%3DPA43&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFInc1983" class="citation book cs1">Inc, InfoWorld Media Group (November 14, 1983). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=wS8EAAAAMBAJ&q=%22Multifunction+Cards+for+IBM+PCs%22&pg=PA76"><i>InfoWorld</i></a>. InfoWorld Media Group, Inc.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=InfoWorld&rft.pub=InfoWorld+Media+Group%2C+Inc.&rft.date=1983-11-14&rft.aulast=Inc&rft.aufirst=InfoWorld+Media+Group&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DwS8EAAAAMBAJ%26q%3D%2522Multifunction%2BCards%2Bfor%2BIBM%2BPCs%2522%26pg%3DPA76&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span> <span class="cs1-visible-error citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_book" title="Template:Cite book">cite book</a>}}</code>: </span><span class="cs1-visible-error citation-comment"><code class="cs1-code">|last=</code> has generic name (<a href="/wiki/Help:CS1_errors#generic_name" title="Help:CS1 errors">help</a>)</span></span> </li> <li id="cite_note-:1-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-:1_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:1_8-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:1_8-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:1_8-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation magazine cs1"><a rel="nofollow" class="external text" href="https://archive.org/details/byte-magazine-1983-11">"Inside the IBM PC"</a>. <i>Byte</i>. Vol. 8, no. 11. November 1983.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Byte&rft.atitle=Inside+the+IBM+PC&rft.volume=8&rft.issue=11&rft.date=1983-11&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fbyte-magazine-1983-11&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text">Personal Computer Family Service Information Manual (January 1989), IBM document SA38-0037-00, pages 7-1 to 7-3</span> </li> <li id="cite_note-Mueller92-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-Mueller92_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Mueller92_10-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Mueller92_10-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Mueller92_10-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMueller1992" class="citation book cs1">Mueller, Scott (1992). <i>Upgrading and Repairing PCs</i> (2nd ed.). Que Books. pp. 59–79. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-88022-856-3" title="Special:BookSources/0-88022-856-3"><bdi>0-88022-856-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Upgrading+and+Repairing+PCs&rft.pages=59-79&rft.edition=2nd&rft.pub=Que+Books&rft.date=1992&rft.isbn=0-88022-856-3&rft.aulast=Mueller&rft.aufirst=Scott&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-sim62-11"><span class="mw-cite-backlink">^ <a href="#cite_ref-sim62_11-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-sim62_11-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-sim62_11-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">Personal Computer Family Service Information Manual (January 1989), IBM document SA38-0037-00, page 6-2</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text">Personal Computer Family Service Information Manual (January 1989), IBM document SA38-0037-00, page 14-1</span> </li> <li id="cite_note-sim81-13"><span class="mw-cite-backlink">^ <a href="#cite_ref-sim81_13-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-sim81_13-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Personal Computer Family Service Information Manual (January 1989), IBM document SA38-0037-00, pages 8-1 to 8-2</span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://books.google.com/books?id=NZrPkWywRXgC&pg=PA155">"The AT Clone from IBM"</a>, <i>PC Magazine</i>, January 13, 1987</span> </li> <li id="cite_note-Inc.1987-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-Inc.1987_15-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFInfoWorld_Media_Group,_Inc.1987" class="citation book cs1">InfoWorld Media Group, Inc. (March 23, 1987). <a rel="nofollow" class="external text" href="https://archive.org/details/bub_gb_yjAEAAAAMBAJ"><i>InfoWorld</i></a>. InfoWorld Media Group, Inc. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/bub_gb_yjAEAAAAMBAJ/page/n48">49</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0199-6649">0199-6649</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=InfoWorld&rft.pages=49&rft.pub=InfoWorld+Media+Group%2C+Inc.&rft.date=1987-03-23&rft.issn=0199-6649&rft.au=InfoWorld+Media+Group%2C+Inc.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fbub_gb_yjAEAAAAMBAJ&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-ibmref40-16"><span class="mw-cite-backlink">^ <a href="#cite_ref-ibmref40_16-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ibmref40_16-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ibmref40_16-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ibmref40_16-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-ibmref40_16-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-ibmref40_16-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-ibmref40_16-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-ibmref40_16-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-ibmref40_16-8"><sup><i><b>i</b></i></sup></a> <a href="#cite_ref-ibmref40_16-9"><sup><i><b>j</b></i></sup></a> <a href="#cite_ref-ibmref40_16-10"><sup><i><b>k</b></i></sup></a> <a href="#cite_ref-ibmref40_16-11"><sup><i><b>l</b></i></sup></a> <a href="#cite_ref-ibmref40_16-12"><sup><i><b>m</b></i></sup></a> <a href="#cite_ref-ibmref40_16-13"><sup><i><b>n</b></i></sup></a> <a href="#cite_ref-ibmref40_16-14"><sup><i><b>o</b></i></sup></a> <a href="#cite_ref-ibmref40_16-15"><sup><i><b>p</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><a rel="nofollow" class="external text" href="https://bitsavers.org/pdf/ibm/pc/PS2_and_IBM_PC_Product_Reference_Version_4.0_Apr87.pdf#page=244"><i>IBM Personal System/2 and IBM Personal Computer Product Reference</i></a> <span class="cs1-format">(PDF)</span> (4.0 ed.). 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Ziff-Davis: 90–102 – via Google Books.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=PC+Magazine&rft.atitle=IBM+Drops+the+First+Shoe&rft.volume=1&rft.issue=12&rft.pages=90-102&rft.date=1983-04&rft.aulast=Sandler&rft.aufirst=Corey&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D7wCiNAUEuAMC%26pg%3DRA2-PA90&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-mueller4ed-18"><span class="mw-cite-backlink">^ <a href="#cite_ref-mueller4ed_18-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-mueller4ed_18-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-mueller4ed_18-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMueller1994" class="citation book cs1">Mueller, Scott (1994). <a rel="nofollow" class="external text" href="https://archive.org/details/upgradingrepairi00muel_7/page/1208/"><i>Upgrading and Repairing PCs</i></a> (4th ed.). Que. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9781565299320" title="Special:BookSources/9781565299320"><bdi>9781565299320</bdi></a> – via the Internet Archive.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Upgrading+and+Repairing+PCs&rft.edition=4th&rft.pub=Que&rft.date=1994&rft.isbn=9781565299320&rft.aulast=Mueller&rft.aufirst=Scott&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fupgradingrepairi00muel_7%2Fpage%2F1208%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-ibmslashes-19"><span class="mw-cite-backlink">^ <a href="#cite_ref-ibmslashes_19-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ibmslashes_19-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ibmslashes_19-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ibmslashes_19-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff_writer1984" class="citation journal cs1">Staff writer (June 11, 1984). <a rel="nofollow" class="external text" href="https://link.gale.com/apps/doc/A554458/GPS?sid=wikipedia">"IBM Slashes PC Prices, Adds Memory; Drops 64KB"</a>. <i>Electronic News</i>. <b>30</b> (1501). Sage Publications: 24 – via Gale.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Electronic+News&rft.atitle=IBM+Slashes+PC+Prices%2C+Adds+Memory%3B+Drops+64KB&rft.volume=30&rft.issue=1501&rft.pages=24&rft.date=1984-06-11&rft.au=Staff+writer&rft_id=https%3A%2F%2Flink.gale.com%2Fapps%2Fdoc%2FA554458%2FGPS%3Fsid%3Dwikipedia&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-optimistic-20"><span class="mw-cite-backlink">^ <a href="#cite_ref-optimistic_20-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-optimistic_20-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-optimistic_20-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-optimistic_20-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-optimistic_20-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-optimistic_20-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSanger1987" class="citation journal cs1">Sanger, David E. (June 24, 1987). <a rel="nofollow" class="external text" href="https://www.proquest.com/docview/426534977/">"I.B.M. Optimistic on Newest PC's"</a>. <i>The New York Times</i>: D4 – via ProQuest.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+New+York+Times&rft.atitle=I.B.M.+Optimistic+on+Newest+PC%27s&rft.pages=D4&rft.date=1987-06-24&rft.aulast=Sanger&rft.aufirst=David+E.&rft_id=https%3A%2F%2Fwww.proquest.com%2Fdocview%2F426534977%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-bridgesetal-21"><span class="mw-cite-backlink">^ <a href="#cite_ref-bridgesetal_21-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-bridgesetal_21-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-bridgesetal_21-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-bridgesetal_21-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-bridgesetal_21-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-bridgesetal_21-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-bridgesetal_21-6"><sup><i><b>g</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBridgesLaura_BrennanJim_ForbesBruce_Stephen1987" class="citation journal cs1">Bridges, Linda; Laura Brennan; Jim Forbes; Bruce Stephen (July 7, 1987). <a rel="nofollow" class="external text" href="https://link.gale.com/apps/doc/A5027977/GPS?sid=wikipedia">"PC managers regrouping after XT, AT closeout"</a>. <i>PC Week</i>. <b>4</b> (27). Ziff-Davis: 4 – via Gale. <q>IBM's recent announcement that it will formally discontinue its PC XT line and eventually phase out its PC AT came as no surprise to many corporate users. [...] William Lowe, president of IBM's Entry Systems Division in Boca Raton, Fla., told Wall Street analysts on June 30 that the only remaining XT, the XT 286, will be discontinued within three months and that IBM is working with dealers and large accounts to determine how many more ATs it will make to fill orders.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=PC+Week&rft.atitle=PC+managers+regrouping+after+XT%2C+AT+closeout&rft.volume=4&rft.issue=27&rft.pages=4&rft.date=1987-07-07&rft.aulast=Bridges&rft.aufirst=Linda&rft.au=Laura+Brennan&rft.au=Jim+Forbes&rft.au=Bruce+Stephen&rft_id=https%3A%2F%2Flink.gale.com%2Fapps%2Fdoc%2FA5027977%2FGPS%3Fsid%3Dwikipedia&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-sager-22"><span class="mw-cite-backlink">^ <a href="#cite_ref-sager_22-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-sager_22-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSager1985" class="citation journal cs1">Sager, Ira (April 8, 1985). <a rel="nofollow" class="external text" href="https://link.gale.com/apps/doc/A3723060/GPS?sid=wikipedia">"IBM moves to reduce PC XT inventories"</a>. <i>Electronic News</i>. <b>31</b>. Sage Publications: 24 <i>et seq</i> – via Gale. <q>The new floppy disk-based versions of the PC XT basically just strips the 10MB hard disk from the earlier unit. The machines come with base memory of 256KB and are available in either single or dual 360 KB diskette versions. A single diskette unit with keyboard and 256 KB of main memory is priced at $2,270, while the dual diskette version is priced at $2,570. A fully configured PC XT with 256 KB of RAM, a 360 KB diskette, keyboard, monochrome monitor and adapter, and operating system comes in at about $2,860.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Electronic+News&rft.atitle=IBM+moves+to+reduce+PC+XT+inventories&rft.volume=31&rft.pages=24+%27%27et+seq%27%27&rft.date=1985-04-08&rft.aulast=Sager&rft.aufirst=Ira&rft_id=https%3A%2F%2Flink.gale.com%2Fapps%2Fdoc%2FA3723060%2FGPS%3Fsid%3Dwikipedia&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-ibmblitz-23"><span class="mw-cite-backlink">^ <a href="#cite_ref-ibmblitz_23-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ibmblitz_23-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ibmblitz_23-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ibmblitz_23-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-ibmblitz_23-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-ibmblitz_23-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWhitmore1986" class="citation journal cs1">Whitmore, Sam (April 8, 1986). <a rel="nofollow" class="external text" href="https://link.gale.com/apps/doc/A666904/GPS?sid=wikipedia">"Product blitz may signal more aggressive IBM: firm ups ante for the makers of compatibles"</a>. <i>PC Week</i>. <b>3</b> (14). Ziff-Davis: 1 – via Gale.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=PC+Week&rft.atitle=Product+blitz+may+signal+more+aggressive+IBM%3A+firm+ups+ante+for+the+makers+of+compatibles&rft.volume=3&rft.issue=14&rft.pages=1&rft.date=1986-04-08&rft.aulast=Whitmore&rft.aufirst=Sam&rft_id=https%3A%2F%2Flink.gale.com%2Fapps%2Fdoc%2FA666904%2FGPS%3Fsid%3Dwikipedia&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation journal cs1"><a rel="nofollow" class="external text" href="http://www.bitsavers.org/pdf/datapro/programmable_terminals/Datapro_C21_IBM.pdf#page=62">"IBM 3770 Family Batch Communications Terminals"</a> <span class="cs1-format">(PDF)</span>. <i>Distributed Processing & Intelligent Tennlnals</i>. 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January 1984 – via Bitsavers.org.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Distributed+Processing+%26+Intelligent+Tennlnals&rft.atitle=IBM+3770+Family+Batch+Communications+Terminals&rft.pages=C21-491-101&rft.date=1984-01&rft_id=http%3A%2F%2Fwww.bitsavers.org%2Fpdf%2Fdatapro%2Fprogrammable_terminals%2FDatapro_C21_IBM.pdf%23page%3D62&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-libes-25"><span class="mw-cite-backlink">^ <a href="#cite_ref-libes_25-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-libes_25-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-libes_25-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-libes_25-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLibes1984" class="citation journal cs1">Libes, Sol (February 28, 1984). <a rel="nofollow" class="external text" href="https://link.gale.com/apps/doc/A3150465/GPS?sid=wikipedia">"3270 emulation board makers, beware! 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(October 24, 1983). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=wFqbDqPhSMcC&pg=PA1">"IBM Takes Wraps off Two Micros Capable of Accessing Mainframes"</a>. <i>Computerworld</i>. <b>17</b> (43). 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Sage Publications: 1 <i>et seq</i> – via Gale.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Electronic+News&rft.atitle=4+PC+suppliers+add+286+units+in+battle+with+compatibles&rft.volume=32&rft.pages=1+%27%27et+seq%27%27&rft.date=1986-09-08&rft.aulast=Ristelhueber&rft.aufirst=Robert&rft.au=Ira+Sager&rft_id=https%3A%2F%2Flink.gale.com%2Fapps%2Fdoc%2FA4398861%2FGPS%3Fsid%3Dwikipedia&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFArcher1983" class="citation news cs1">Archer, Rowland Jr. (November 1983). <a rel="nofollow" class="external text" href="https://archive.org/stream/byte-magazine-1983-11/1983_11_BYTE_08-11_Inside_the_IBM_PC#page/n301/mode/2up">"The IBM PC XT and DOS 2.00"</a>. <i>BYTE</i>. pp. 294–304<span class="reference-accessdate">. Retrieved <span class="nowrap">May 14,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=BYTE&rft.atitle=The+IBM+PC+XT+and+DOS+2.00&rft.pages=294-304&rft.date=1983-11&rft.aulast=Archer&rft.aufirst=Rowland+Jr.&rft_id=https%3A%2F%2Farchive.org%2Fstream%2Fbyte-magazine-1983-11%2F1983_11_BYTE_08-11_Inside_the_IBM_PC%23page%2Fn301%2Fmode%2F2up&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> <li id="cite_note-pournelle198501-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-pournelle198501_30-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPournelle1985" class="citation magazine cs1">Pournelle, Jerry (January 1985). <a rel="nofollow" class="external text" href="https://archive.org/details/BYTE_Vol_10-01_1985-01_Through_The_Hourglass/page/363/mode/1up?view=theater">"The Fast Lane"</a>. <i>BYTE</i>. p. 363<span class="reference-accessdate">. Retrieved <span class="nowrap">October 4,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=BYTE&rft.atitle=The+Fast+Lane&rft.pages=363&rft.date=1985-01&rft.aulast=Pournelle&rft.aufirst=Jerry&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2FBYTE_Vol_10-01_1985-01_Through_The_Hourglass%2Fpage%2F363%2Fmode%2F1up%3Fview%3Dtheater&rfr_id=info%3Asid%2Fen.wikipedia.org%3AIBM+Personal+Computer+XT" class="Z3988"></span></span> </li> </ol></div></div> <dl><dt>Notes</dt></dl> <style data-mw-deduplicate="TemplateStyles:r1239549316">.mw-parser-output .refbegin{margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li{margin-left:0;padding-left:3.2em;text-indent:-3.2em}.mw-parser-output .refbegin-hanging-indents ul,.mw-parser-output .refbegin-hanging-indents ul li{list-style:none}@media(max-width:720px){.mw-parser-output .refbegin-hanging-indents>ul>li{padding-left:1.6em;text-indent:-1.6em}}.mw-parser-output .refbegin-columns{margin-top:0.3em}.mw-parser-output .refbegin-columns ul{margin-top:0}.mw-parser-output .refbegin-columns li{page-break-inside:avoid;break-inside:avoid-column}@media screen{.mw-parser-output .refbegin{font-size:90%}}</style><div class="refbegin" style=""> <ul><li>IBM (1983). <i>Personal Computer Hardware Reference Library: Guide to Operations, Personal Computer XT</i>. IBM Part Number 6936831.</li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=IBM_Personal_Computer_XT&action=edit&section=13" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:IBM_XT" class="extiw" title="commons:Category:IBM XT">IBM XT</a></span>.</div></div> </div> <ul><li><a rel="nofollow" class="external text" href="http://www.minuszerodegrees.net">IBM 5160 information at www.minuszerodegrees.net</a></li></ul> <p>Photo galleries: </p> <ul><li><a rel="nofollow" class="external text" href="http://www.supervinx.com/OnlineMuseum/IBM/5160/04/">XT with 256 KB on system board</a></li> <li><a rel="nofollow" class="external text" href="http://www.supervinx.com/OnlineMuseum/IBM/5162/02/">XT 286</a></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output 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.hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="IBM_personal_computers" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist 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href="/wiki/Acquisition_of_the_IBM_PC_business_by_Lenovo" title="Acquisition of the IBM PC business by Lenovo">PC business acquisition by Lenovo</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Desktop<br />and all-in-one</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Single models</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_5120" title="IBM 5120">5120</a></li> <li><a href="/wiki/IBM_System/23_Datamaster" title="IBM System/23 Datamaster">DataMaster</a></li> <li><a href="/wiki/IBM_Personal_Computer" title="IBM Personal Computer">PC</a> <ul><li><a href="/wiki/List_of_IBM_Personal_Computer_models" title="List of IBM Personal Computer models">list of models</a></li></ul></li> <li><a class="mw-selflink selflink">PC XT</a> <ul><li><a href="/wiki/PC-based_IBM_mainframe-compatible_systems" title="PC-based IBM mainframe-compatible systems">XT/370</a></li> <li><a href="/wiki/IBM_3270_PC" title="IBM 3270 PC">3270 PC</a></li> <li><a href="/wiki/IBM_Personal_Computer_XT_286" class="mw-redirect" title="IBM Personal Computer XT 286">XT 286</a></li></ul></li> <li><a href="/wiki/IBM_JX" title="IBM JX">JX</a></li> <li><a href="/wiki/IBM_PCjr" title="IBM PCjr">PCjr</a></li> <li><a href="/wiki/IBM_Personal_Computer_AT" title="IBM Personal Computer AT">PC AT</a> <ul><li><a href="/wiki/PC-based_IBM_mainframe-compatible_systems" title="PC-based IBM mainframe-compatible systems">AT/370</a></li> <li><a href="/wiki/PC-based_IBM_mainframe-compatible_systems" title="PC-based IBM mainframe-compatible systems">3270 AT</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Series</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_5550" title="IBM 5550">5550</a></li> <li><a href="/wiki/IBM_Industrial_Computer" class="mw-redirect" title="IBM Industrial Computer">Industrial Computer</a></li> <li><a href="/wiki/IBM_PS/2" title="IBM PS/2">PS/2</a> <ul><li><a href="/wiki/List_of_IBM_PS/2_models" title="List of IBM PS/2 models">list of models</a></li> <li><a href="/wiki/IBM_PS/2_Model_25" title="IBM PS/2 Model 25">25</a></li> <li><a href="/wiki/IBM_PS/2_Model_25" title="IBM PS/2 Model 25">25 286</a></li> <li><a href="/wiki/IBM_PS/2_Model_25" title="IBM PS/2 Model 25">25 SX</a></li> <li><a href="/wiki/IBM_PS/2_Model_30" title="IBM PS/2 Model 30">30</a></li> <li><a href="/wiki/IBM_PS/2_Model_30" title="IBM PS/2 Model 30">30 286</a></li> <li><a href="/wiki/IBM_PS/2_Model_50" title="IBM PS/2 Model 50">50</a></li> <li><a href="/wiki/IBM_PS/2_Model_50" title="IBM PS/2 Model 50">50 Z</a></li> <li><a href="/wiki/IBM_PS/2_Model_55_SX" title="IBM PS/2 Model 55 SX">55 SX</a></li> <li><a href="/wiki/IBM_PS/2_Model_55_SX" title="IBM PS/2 Model 55 SX">55 LS</a></li> <li><a href="/wiki/IBM_PS/2_Model_60" title="IBM PS/2 Model 60">60</a></li> <li><a href="/wiki/IBM_PS/2_Model_60" title="IBM PS/2 Model 60">65 SX</a></li> <li><a href="/wiki/IBM_PS/2_Model_70" title="IBM PS/2 Model 70">70 386</a></li> <li><a href="/wiki/IBM_PS/2_Model_70" title="IBM PS/2 Model 70">70 486</a></li> <li><a href="/wiki/IBM_PS/2_Model_80" title="IBM PS/2 Model 80">80</a></li> <li><a href="/wiki/IBM_PS/2_E" title="IBM PS/2 E">E</a></li></ul></li> <li><a href="/wiki/IBM_PS/55" title="IBM PS/55">PS/55</a></li> <li><a href="/wiki/IBM_PS/V" class="mw-redirect" title="IBM PS/V">PS/V</a></li> <li><a href="/wiki/IBM_PS/1" title="IBM PS/1">PS/1</a></li> <li><a href="/wiki/EduQuest" title="EduQuest">EduQuest</a></li> <li><a href="/wiki/IBM_PS/ValuePoint" title="IBM PS/ValuePoint">ValuePoint</a></li> <li><a href="/wiki/Ambra_Computer_Corporation" title="Ambra Computer Corporation">Ambra</a></li> <li><a href="/wiki/IBM_PC_Series" title="IBM PC Series">PC Series</a></li> <li><a href="/wiki/IBM_Aptiva" title="IBM Aptiva">Aptiva</a></li> <li><a href="/wiki/IBM_NetVista" title="IBM NetVista">NetVista</a></li> <li><a href="/wiki/ThinkCentre" title="ThinkCentre">ThinkCentre</a> <ul><li><a href="/wiki/ThinkCentre_A_series" title="ThinkCentre A series">A series</a></li> <li><a href="/wiki/ThinkCentre_M_series" title="ThinkCentre M series">M series</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Portable</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_5100" title="IBM 5100">5100</a></li> <li><a href="/wiki/IBM_5110" title="IBM 5110">5110</a></li> <li><a href="/wiki/IBM_Portable_Personal_Computer" title="IBM Portable Personal Computer">Portable PC</a></li> <li><a href="/wiki/IBM_PS/2_portable_computers" title="IBM PS/2 portable computers">PS/2 portables</a> <ul><li><a href="/wiki/IBM_PS/2_portable_computers" title="IBM PS/2 portable computers">P70</a></li> <li><a href="/wiki/IBM_PS/2_portable_computers" title="IBM PS/2 portable computers">P75</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Laptop</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"></table><div> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">pre-ThinkPad</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_PC_Convertible" title="IBM PC Convertible">Convertible</a></li> <li>PS/2 Laptop <ul><li><a href="/wiki/IBM_PS/2_Model_L40_SX" title="IBM PS/2 Model L40 SX">L40 SX</a></li> <li><a href="/wiki/IBM_PS/2_Model_CL57_SX" title="IBM PS/2 Model CL57 SX">CL57 SX</a></li></ul></li> <li><a href="/wiki/IBM_PS/2_Note_and_PS/note" title="IBM PS/2 Note and PS/note">PS/2 Note and PS/note</a> <ul><li><a href="/wiki/IBM_PS/2_Note#N33SX" class="mw-redirect" title="IBM PS/2 Note">N33SX</a></li> <li><a href="/wiki/IBM_PS/2_Note#N45SL" class="mw-redirect" title="IBM PS/2 Note">N45SL</a></li> <li><a href="/wiki/IBM_PS/2_Note#N51SX" class="mw-redirect" title="IBM PS/2 Note">N51SX</a></li> <li><a href="/wiki/IBM_PS/2_Note#N51SLC" class="mw-redirect" title="IBM PS/2 Note">N51SLC</a></li> <li><a href="/wiki/IBM_PS/2_Note#Model_425/425C" class="mw-redirect" title="IBM PS/2 Note">Model 425/425C</a></li></ul></li> <li><a href="/wiki/IBM_PS/55_Note" title="IBM PS/55 Note">PS/55 Note</a></li> <li><a href="/wiki/IBM_PCradio" title="IBM PCradio">PCradio</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/ThinkPad" title="ThinkPad">ThinkPad</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-off" style="width:100%;padding:0;background:transparent;color:inherit;"><div style="padding:0px"><table class="navbox-columns-table" style="border-spacing: 0px; text-align:left;width:100%;"><tbody><tr style="vertical-align:top"><td class="navbox-list" style="padding:0px;vertical-align:top;width:50%;"><div> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">2<i>xx</i> series</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_ThinkPad_220" title="IBM ThinkPad 220">220</a></li> <li><a href="/wiki/IBM_ThinkPad_230" class="mw-redirect" title="IBM ThinkPad 230">230</a></li> <li><a href="/wiki/IBM_ThinkPad_235" class="mw-redirect" title="IBM ThinkPad 235">235</a></li> <li><a href="/wiki/IBM_ThinkPad_240" title="IBM ThinkPad 240">240</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">3<i>xx</i> series</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_ThinkPad_300" title="IBM ThinkPad 300">300</a></li> <li><a href="/wiki/IBM_ThinkPad_310" title="IBM ThinkPad 310">310</a></li> <li><a href="/wiki/IBM_ThinkPad_350" title="IBM ThinkPad 350">350</a></li> <li><a href="/wiki/IBM_ThinkPad_360" title="IBM ThinkPad 360">360</a></li> <li><a href="/wiki/IBM_ThinkPad_365" title="IBM ThinkPad 365">365</a></li> <li><a href="/wiki/IBM_ThinkPad_380" title="IBM ThinkPad 380">380</a></li> <li><a href="/wiki/IBM_ThinkPad_390" class="mw-redirect" title="IBM ThinkPad 390">390</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">5<i>xx</i> series</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_ThinkPad_500" title="IBM ThinkPad 500">500</a></li> <li><a href="/wiki/Canon_NoteJet#IBM_ThinkPad_550BJ" title="Canon NoteJet">550BJ</a></li> <li><a href="/wiki/Canon_NoteJet#IBM_ThinkPad_555BJ" title="Canon NoteJet">555BJ</a></li> <li><a href="/wiki/IBM_ThinkPad_560" title="IBM ThinkPad 560">560</a></li> <li><a href="/wiki/IBM_ThinkPad_570" title="IBM ThinkPad 570">570</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">6<i>xx</i> series</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_ThinkPad_600" title="IBM ThinkPad 600">600</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">7<i>xx</i> series</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_ThinkPad_700" title="IBM ThinkPad 700">700</a></li> <li><a href="/wiki/IBM_ThinkPad_701" title="IBM ThinkPad 701">701 "Butterfly"</a></li> <li><a href="/wiki/IBM_ThinkPad_750" title="IBM ThinkPad 750">750</a></li> <li><a href="/wiki/IBM_ThinkPad_755" title="IBM ThinkPad 755">755</a></li> <li><a href="/wiki/IBM_ThinkPad_760" title="IBM ThinkPad 760">760</a></li> <li><a href="/wiki/IBM_ThinkPad_765" class="mw-redirect" title="IBM ThinkPad 765">765</a></li> <li><a href="/wiki/IBM_ThinkPad_770" title="IBM ThinkPad 770">770</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">Power Series</a></th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">800</a></li> <li><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">820</a></li> <li><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">821</a></li> <li><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">822</a></li> <li><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">823</a></li> <li><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">850</a></li> <li><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">851</a></li> <li><a href="/wiki/IBM_ThinkPad_Power_Series" title="IBM ThinkPad Power Series">860</a></li></ul> </div></td></tr></tbody></table><div> </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;vertical-align:top;width:50%;"><div> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/ThinkPad_G_series" title="ThinkPad G series">G series</a></th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ThinkPad_G_series" title="ThinkPad G series">G40</a></li> <li><a href="/wiki/ThinkPad_G_series" title="ThinkPad G series">G41</a></li> <li><a href="/wiki/ThinkPad_G_series" title="ThinkPad G series">G50</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/ThinkPad_T_series" title="ThinkPad T series">T series</a></th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_ThinkPad_T20" class="mw-redirect" title="IBM ThinkPad T20">T20</a></li> <li><a href="/wiki/IBM_ThinkPad_T21" class="mw-redirect" title="IBM ThinkPad T21">T21</a></li> <li><a href="/wiki/IBM_ThinkPad_T22" class="mw-redirect" title="IBM ThinkPad T22">T22</a></li> <li><a href="/wiki/IBM_ThinkPad_T23" class="mw-redirect" title="IBM ThinkPad T23">T23</a></li> <li><a href="/wiki/IBM_ThinkPad_T30" title="IBM ThinkPad T30">T30</a></li> <li><a href="/wiki/IBM_ThinkPad_T40" title="IBM ThinkPad T40">T40</a></li> <li><a href="/wiki/IBM_ThinkPad_T41" title="IBM ThinkPad T41">T41</a></li> <li><a href="/wiki/IBM_ThinkPad_T42" title="IBM ThinkPad T42">T42</a></li> <li><a href="/wiki/IBM_ThinkPad_T43" title="IBM ThinkPad T43">T43</a></li> <li><a href="/wiki/ThinkPad_T60" title="ThinkPad T60">T60</a></li> <li><a href="/wiki/ThinkPad_T61" title="ThinkPad T61">T61</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/ThinkPad_A_series" class="mw-redirect" title="ThinkPad A series">A series</a></th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>A20m</li> <li>A21m</li> <li>A22m</li> <li>A22e</li> <li>A20p</li> <li>A21p</li> <li>A22p</li> <li>A30</li> <li>A31</li> <li>A30p</li> <li>A31p</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X series</a></th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X20</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X21</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X22</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X23</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X24</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X30</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X31</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X32</a></li> <li><a href="/wiki/IBM_ThinkPad_X40" title="IBM ThinkPad X40">X40</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X41</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X60</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X60t</a></li> <li><a href="/wiki/ThinkPad_X_series" title="ThinkPad X series">X61t</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R series</a></th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R30</a></li> <li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R31</a></li> <li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R32</a></li> <li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R40</a></li> <li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R50</a></li> <li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R51</a></li> <li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R52</a></li> <li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R60</a></li> <li><a href="/wiki/ThinkPad_R_series" class="mw-redirect" title="ThinkPad R series">R61</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Others</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_ThinkPad_TransNote" title="IBM ThinkPad TransNote">TransNote</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Handheld</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_Palm_Top_PC_110" title="IBM Palm Top PC 110">Palm Top PC 110</a></li> <li><a href="/wiki/IBM_WorkPad" title="IBM WorkPad">WorkPad</a> <ul><li><a href="/wiki/IBM_WorkPad_Z50" title="IBM WorkPad Z50">Z50</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Prototypes</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_Leapfrog" title="IBM Leapfrog">Leapfrog</a></li> <li><a href="/wiki/IBM_ThinkPad_Power_Series#Power_Series_600" title="IBM ThinkPad Power Series">Power Series 600</a></li> <li><a href="/wiki/IBM_ThinkPad_240#Transmeta_Crusoe" title="IBM ThinkPad 240">ThinkPad 240 with Transmeta Crusoe</a></li> <li><a href="/wiki/IBM_WatchPad" title="IBM WatchPad">WatchPad</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Video hardware</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_Monochrome_Display_Adapter" title="IBM Monochrome Display Adapter">Monochrome Display Adapter</a></li> <li><a href="/wiki/Color_Graphics_Adapter" title="Color Graphics Adapter">Color Graphics Adapter</a></li> <li><a href="/wiki/Enhanced_Graphics_Adapter" title="Enhanced Graphics Adapter">Enhanced Graphics Adapter</a></li> <li><a href="/wiki/Professional_Graphics_Controller" title="Professional Graphics Controller">Professional Graphics Controller</a></li> <li><a href="/wiki/Multi-Color_Graphics_Array" title="Multi-Color Graphics Array">Multi-Color Graphics Array</a></li> <li><a href="/wiki/Video_Graphics_Array" title="Video Graphics Array">Video Graphics Array</a></li> <li><a href="/wiki/IBM_8514" title="IBM 8514">IBM 8514</a></li> <li><a href="/wiki/Extended_Graphics_Array" title="Extended Graphics Array">Extended Graphics Array</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-off" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IBM_5151" title="IBM 5151">IBM 5151</a></li> <li><a href="/wiki/IBM_BASIC" title="IBM BASIC">IBM BASIC</a></li> <li><a href="/wiki/IBM_PC%E2%80%93compatible" title="IBM PC–compatible">IBM PC–compatible</a></li> <li><a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">Industry Standard Architecture</a></li> <li><a href="/wiki/IBM_IntelliStation" title="IBM IntelliStation">IntelliStation</a></li> <li><a href="/wiki/IBM_PC_keyboard" title="IBM PC keyboard">Keyboards</a> <ul><li><a href="/wiki/Model_F_keyboard" title="Model F keyboard">Model F</a></li> <li><a href="/wiki/Model_M_keyboard" title="Model M keyboard">Model M</a></li></ul></li> <li><a href="/wiki/Micro_Channel_architecture" title="Micro Channel architecture">Micro Channel</a></li> <li><a href="/wiki/IBM_Music_Feature_Card" title="IBM Music Feature Card">Music Feature Card</a></li> <li><a href="/wiki/Mwave" title="Mwave">Mwave</a></li> <li><a href="/wiki/IBM_4694" title="IBM 4694">SurePOS</a></li> <li><a href="/wiki/ThinkPad_UltraBay" title="ThinkPad UltraBay">UltraBay</a></li> <li><a href="/wiki/ThinkLight" title="ThinkLight">ThinkLight</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: 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