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lang="cs" hreflang="cs" data-title="VT100" 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/VT100" title="VT100 – German" lang="de" hreflang="de" data-title="VT100" 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/VT100" title="VT100 – Spanish" lang="es" hreflang="es" data-title="VT100" 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/VT100" title="VT100 – French" lang="fr" hreflang="fr" data-title="VT100" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/VT100" title="VT100 – Italian" lang="it" hreflang="it" data-title="VT100" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/VT100" title="VT100 – Hebrew" lang="he" hreflang="he" data-title="VT100" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/VT100" title="VT100 – Dutch" lang="nl" hreflang="nl" data-title="VT100" 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/VT100" title="VT100 – Japanese" lang="ja" hreflang="ja" data-title="VT100" 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/VT100" title="VT100 – Polish" lang="pl" hreflang="pl" data-title="VT100" 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/VT100" title="VT100 – Portuguese" lang="pt" hreflang="pt" data-title="VT100" 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/VT100" 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class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <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"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=VT103&redirect=no" class="mw-redirect" title="VT103">VT103</a>)</span></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">Computer terminal from Digital Equipment Corporation</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">For other uses, see <a href="/wiki/VT_100_(disambiguation)" class="mw-redirect mw-disambig" title="VT 100 (disambiguation)">VT 100 (disambiguation)</a>.</div> <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">VT100</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:DEC_VT100_terminal.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/DEC_VT100_terminal.jpg/220px-DEC_VT100_terminal.jpg" decoding="async" width="220" height="195" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/DEC_VT100_terminal.jpg/330px-DEC_VT100_terminal.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/DEC_VT100_terminal.jpg/440px-DEC_VT100_terminal.jpg 2x" data-file-width="2776" data-file-height="2464" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Manufacturer</th><td class="infobox-data"><a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">DEC</a></td></tr><tr><th scope="row" class="infobox-label">Type</th><td class="infobox-data"><a href="/wiki/Computer_terminal" title="Computer terminal">Computer terminal</a></td></tr><tr><th scope="row" class="infobox-label">Release date</th><td class="infobox-data">1978<span style="display:none"> (<span class="bday dtstart published updated itvstart">1978</span>)</span></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_8080" title="Intel 8080">Intel 8080</a></td></tr><tr><th scope="row" class="infobox-label">Memory</th><td class="infobox-data">3 KB RAM<br />8 KB ROM<br />175 byte <a href="/wiki/NVRAM" class="mw-redirect" title="NVRAM">NVRAM</a></td></tr><tr><th scope="row" class="infobox-label">Display</th><td class="infobox-data">12 in (30 cm) <a href="/wiki/Cathode-ray_tube" title="Cathode-ray tube">CRT</a><br />80x24 or 132x14 characters</td></tr><tr><th scope="row" class="infobox-label">Sound</th><td class="infobox-data">Speaker (in keyboard)</td></tr><tr><th scope="row" class="infobox-label">Input</th><td class="infobox-data">83-key detachable <a href="/wiki/Computer_keyboard" title="Computer keyboard">keyboard</a></td></tr><tr><th scope="row" class="infobox-label">Connectivity</th><td class="infobox-data"><a href="/wiki/RS-232" title="RS-232">RS-232</a> serial<br />(optional) <a href="/wiki/Digital_current_loop_interface" title="Digital current loop interface">20 mA current loop</a></td></tr><tr><th scope="row" class="infobox-label">Mass</th><td class="infobox-data">Monitor: 30 lb (14 kg)<br />Keyboard: 4.5 lb (2.0 kg)</td></tr><tr><th scope="row" class="infobox-label">Predecessor</th><td class="infobox-data"><a href="/wiki/VT50" class="mw-redirect" title="VT50">VT50</a></td></tr><tr><th scope="row" class="infobox-label">Successor</th><td class="infobox-data"><a href="/wiki/VT220" title="VT220">VT220</a></td></tr></tbody></table> <p>The <b>VT100</b> is a video <a href="/wiki/Computer_terminal" title="Computer terminal">terminal</a>, introduced in August 1978 by <a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a> (DEC). It was one of the first terminals to support <a href="/wiki/ANSI_escape_code" title="ANSI escape code">ANSI escape codes</a> for cursor control and other tasks, and added a number of extended codes for special features like controlling the status lights on the keyboard. This led to rapid uptake of the ANSI standard, which became the <a href="/wiki/De_facto_standard" title="De facto standard">de facto standard</a> for hardware video terminals and later <a href="/wiki/Terminal_emulator" title="Terminal emulator">terminal emulators</a>. </p><p>The VT100 series, especially the VT102, was extremely successful in the market, and made DEC the leading terminal vendor at the time. The VT100 series was replaced by the <a href="/wiki/VT220" title="VT220">VT200 series</a> starting in 1983, which proved equally successful. Ultimately, over six million terminals in the VT series were sold, based largely on the success of the VT100.<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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Description">Description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=VT100&action=edit&section=1" title="Edit section: Description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>DEC's first video terminal was the <a href="/wiki/VT05" title="VT05">VT05</a> (1970), succeeded by the <a href="/wiki/VT50" class="mw-redirect" title="VT50">VT50</a> (1974), and soon upgraded to the <a href="/wiki/VT52" title="VT52">VT52</a> (1975). The VT52 featured a text display with 80 columns and 24 rows, bidirectional scrolling, and a custom control protocol that allowed the cursor to be moved about the screen. These "smart terminals" were a hit due both to their capabilities and to their ability to be run over inexpensive serial links, rather than custom proprietary connections as in the case of systems like the <a href="/wiki/IBM_3270" title="IBM 3270">IBM 3270</a>, which generally required expensive controllers for distributed applications. In contrast, "dumb terminals" or "glass teletypes" like the <a href="/wiki/ADM-3A" title="ADM-3A">ADM-3A</a> (1976) lacked advanced features such as full cursor addressability, and competed mostly on lowest possible hardware cost. </p><p>The VT100 was introduced in August 1978, replacing the VT50/VT52 family. Like the earlier models, it communicated with its <a href="/wiki/Server_(computing)" title="Server (computing)">host</a> system over serial lines at a minimum speed of 50 bit/s, but increased the maximum speed to 19,200 bit/s, double that of the VT52.<sup id="cite_ref-vt100-technical-manual_2-0" class="reference"><a href="#cite_note-vt100-technical-manual-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 1–3">: 1–3 </span></sup> The terminal provided an option for "smooth scrolling", whereby displayed lines of text were moved gradually up or down the screen to make room for new lines, instead of advancing in sudden "jumps". This made it easier to scan or read the text, although it somewhat slowed down the maximum data rate.<sup id="cite_ref-vt100-technical-manual_2-1" class="reference"><a href="#cite_note-vt100-technical-manual-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 2–16">: 2–16 </span></sup> </p><p>The major internal change was the control protocol. Unlike the VT50/52's proprietary cursor control language, the VT100 was based on the newly emerging <a href="/wiki/ANSI_X3.64" class="mw-redirect" title="ANSI X3.64">ANSI X3.64</a> standard for command codes.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> At the time, some computer vendors<sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Manual_of_Style/Words_to_watch#Unsupported_attributions" title="Wikipedia:Manual of Style/Words to watch"><span title="The material near this tag possibly uses too-vague attribution or weasel words. (January 2022)">who?</span></a></i>]</sup> had suggested that the new standard was beyond the <a href="/wiki/State_of_the_art" title="State of the art">state of the art</a> and could not be implemented at a reasonable price. The introduction of low-cost <a href="/wiki/Microprocessor" title="Microprocessor">microprocessors</a> and the ever-falling cost of <a href="/wiki/Computer_memory" title="Computer memory">computer memory</a> offered greatly expanded capabilities, and the VT100 used the new <a href="/wiki/Intel_8080" title="Intel 8080">Intel 8080</a> as its internal <a href="/wiki/CPU" class="mw-redirect" title="CPU">processor</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> In addition, the VT100 provided <a href="/wiki/Backwards_compatibility" class="mw-redirect" title="Backwards compatibility">backwards compatibility</a> for VT52-compatible software, by also supporting the older control sequences.<sup id="cite_ref-vt100_user_guide_5-0" class="reference"><a href="#cite_note-vt100_user_guide-5"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Other improvements beyond the VT52 included a 132-column mode, and a variety of "graphic renditions" including blinking, bolding, <a href="/wiki/Reverse_video" title="Reverse video">reverse video</a>, underlining, and lines of double-sized or double-width characters. The VT100 also introduced an additional <a href="/wiki/Box-drawing_characters" title="Box-drawing characters">box-drawing character set</a> containing various pseudographics that allowed the drawing of on-screen forms. </p><p>All configuration setup of the VT100 was accomplished using interactive displays presented on the screen; the setup data was stored in <a href="/wiki/Non-volatile_memory" title="Non-volatile memory">non-volatile memory</a> within the terminal. Maintainability was also significantly improved, since a VT100 could be quickly dismantled into replaceable modules. </p><p>The VT100's internal layout can be split into two boards for functionality, not including the VT100's optional boards you can purchase. There is a board called the video monitor board which is used for things like adjusting the CRT on the terminal itself. This board is responsible for adjusting the CRT in the case that the electron beam is offset.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The terminal controller board is what handles the terminal logic, and includes a multitude of chips such as DEC's rebranding of the Intel 8080. </p><p>In 1983, the VT100 was replaced by the more powerful VT200 series terminals such as the <a href="/wiki/VT220" title="VT220">VT220</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Options">Options</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=VT100&action=edit&section=2" title="Edit section: Options"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The VT100 has various third party and first party boards designed to enhance the capabilities of the device. Most notable of these from DEC themselves are the <a href="/w/index.php?title=VT1XX-AB&action=edit&redlink=1" class="new" title="VT1XX-AB (page does not exist)">VT1XX-AB</a> (Advanced Video Option) and the <a href="/w/index.php?title=VT1XX-AA&action=edit&redlink=1" class="new" title="VT1XX-AA (page does not exist)">VT1XX-AA</a> (20 mA Current Loop Option). The cards' capabilities and existence are described in Chapter 4 of the VT100 User Guide.<sup id="cite_ref-vt100_user_guide_5-1" class="reference"><a href="#cite_note-vt100_user_guide-5"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Variants">Variants</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=VT100&action=edit&section=3" title="Edit section: 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:Vt100-adventure.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Vt100-adventure.jpg/220px-Vt100-adventure.jpg" decoding="async" width="220" height="184" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Vt100-adventure.jpg/330px-Vt100-adventure.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/23/Vt100-adventure.jpg/440px-Vt100-adventure.jpg 2x" data-file-width="2232" data-file-height="1868" /></a><figcaption>The VT101 was the lowest-cost member of the VT100 family.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:VT_131.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a6/VT_131.jpg/220px-VT_131.jpg" decoding="async" width="220" height="175" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a6/VT_131.jpg/330px-VT_131.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a6/VT_131.jpg/440px-VT_131.jpg 2x" data-file-width="1354" data-file-height="1078" /></a><figcaption>VT131 at the <a href="/wiki/Living_Computer_Museum" class="mw-redirect" title="Living Computer Museum">Living Computer Museum</a></figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">"VT102" and "VT103" redirect here. For the highways, see <a href="/wiki/Vermont_Route_102" title="Vermont Route 102">Vermont Route 102</a> and <a href="/wiki/Vermont_Route_103" title="Vermont Route 103">Vermont Route 103</a>.</div> <p>The VT100 was the first of Digital's terminals to be based on an industry-standard microprocessor, the <a href="/wiki/Intel_8080" title="Intel 8080">Intel 8080</a>. Options could be added to the terminal to support an external printer, additional graphic renditions, and more character memory. The last option, known as the "Advanced Video Option" or AVO, allowed the terminal to support a full 24 lines of text in 132-column mode, increasing from the 14 lines of the unexpanded model when used in 132-column mode. The VT100 became a platform on which Digital constructed several related hardware products. </p><p>The VT101 and VT102 were cost-reduced, non-expandable follow-on versions. The VT101 was essentially a base-model VT100, while the VT102 came standard with the AVO and serial printer port options pre-installed. The VT105 contained a simple graphics subsystem known as <a href="/wiki/Waveform_graphics" title="Waveform graphics">waveform graphics</a> which was mostly compatible with same system in the earlier <a href="/wiki/VT55" class="mw-redirect" title="VT55">VT55</a>. This system allowed two mathematical functions to be drawn to the screen superimposed over the normal text display, allowing text and graphics to be mixed to produce charts and similar output.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The VT125 added an implementation of the byte-efficient Remote Graphic Instruction Set (<a href="/wiki/ReGIS" title="ReGIS">ReGIS</a>), which used custom ANSI codes to send graphics commands to the terminal, rather than requiring the terminal to be set to a separate less-efficient <i>graphics mode</i> like the VT105. </p><p>The VT131 added <a href="/wiki/Computer_terminal#Block-oriented_terminal" title="Computer terminal">block mode</a> support, allowing a form to be sent to the terminal and filled in locally by the user, and then sending the contents of the fields in the form back to the host when the form is filled in.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>The VT100 form factor left significant physical space in the case for expansion, and DEC used this to produce several all-in-one stand-alone <a href="/wiki/Minicomputer" title="Minicomputer">minicomputer</a> systems. The VT103 included a cardcage and 4×4 (8-slot) <a href="/wiki/Q-Bus" title="Q-Bus">Q-Bus</a> backplane, sufficient to configure a small 16-bit <a href="/wiki/LSI-11" class="mw-redirect" title="LSI-11">LSI-11</a> microcomputer system within the case,<sup id="cite_ref-vt103-ug_9-0" class="reference"><a href="#cite_note-vt103-ug-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: pp65–72">: pp65–72 </span></sup> and supported an optional dual <a href="/wiki/TU58" class="mw-redirect" title="TU58">TU58</a> DECtape II block-addressable cartridge tape drive<sup id="cite_ref-vt103-ug_9-1" class="reference"><a href="#cite_note-vt103-ug-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: pp73–80">: pp73–80 </span></sup> which could be used like a very slow disk drive. The <a href="/wiki/VT180" title="VT180">VT180</a> (codenamed "Robin") added a single-board microcomputer using a <a href="/wiki/Zilog_Z80" title="Zilog Z80">Zilog Z80</a> to run the <a href="/wiki/CP/M" title="CP/M">CP/M</a> operating system. The <a href="/wiki/DECmate" title="DECmate">VT278 (DECmate)</a> added a small <a href="/wiki/PDP-8" title="PDP-8">PDP-8</a> processor, allowing the terminal to run Digital's <a href="/wiki/WPS-8" title="WPS-8">WPS-8</a> word processing software. </p> <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=VT100&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/DEC_Special_Graphics" title="DEC Special Graphics">DEC Special Graphics</a></li> <li><a href="/wiki/VT640" title="VT640">VT640</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=VT100&action=edit&section=5" 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 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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 class="citation web cs1"><a rel="nofollow" class="external text" href="http://boundlessterminals.com/specsheets/VT510_520%20Spec.pdf">"VT 510/520 Video Display Terminal"</a> <span class="cs1-format">(PDF)</span>. <i>Boundless Technologies</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150205152405/http://boundlessterminals.com/specsheets/VT510_520%20Spec.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 2015-02-05.</cite><span 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Digital Equipment Corporation. August 1978. EK-VT100-UG-001.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=VT100+User+Guide&rft.pub=Digital+Equipment+Corporation&rft.date=1978-08&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fbitsavers_decterminaT100UserGuideAug78_3198303%2Fpage%2Fn5%2Fmode%2F2up&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVT100" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</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="https://vt100.net/dec/ek-vt101-ps-001.pdf"><i>VT101 Series Pocket Service Guide</i></a> <span class="cs1-format">(PDF)</span>. Digital Equipment Corporation. September 1981. 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Retrieved <span class="nowrap">2022-04-21</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=VT55+Programmer%27s+Manual&rft.pub=Digital+Equipment+Corporation&rft.date=1977-02&rft_id=http%3A%2F%2Fbitsavers.org%2Fwww.computer.museum.uq.edu.au%2Fpdf%2FAA-4949A-TC%2520VT55%2520Programming%2520Manual.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVT100" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</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://bitsavers.org/pdf/dec/terminal/vt131/EK-VT131-UG-002_VT131_Video_Terminal_User_Guide_Oct81.pdf"><i>VT131 Video Terminal User Guide</i></a> <span class="cs1-format">(PDF)</span> (2nd ed.). <a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a>. October 1981. EK-VT131-UG-002. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220711161527/http://bitsavers.org/pdf/dec/terminal/vt131/EK-VT131-UG-002_VT131_Video_Terminal_User_Guide_Oct81.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 2022-07-11<span class="reference-accessdate">. Retrieved <span class="nowrap">2022-04-21</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=VT131+Video+Terminal+User+Guide&rft.edition=2nd&rft.pub=Digital+Equipment+Corporation&rft.date=1981-10&rft_id=http%3A%2F%2Fbitsavers.org%2Fpdf%2Fdec%2Fterminal%2Fvt131%2FEK-VT131-UG-002_VT131_Video_Terminal_User_Guide_Oct81.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVT100" class="Z3988"></span></span> </li> <li id="cite_note-vt103-ug-9"><span class="mw-cite-backlink">^ <a href="#cite_ref-vt103-ug_9-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-vt103-ug_9-1"><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 class="citation book cs1"><a rel="nofollow" class="external text" href="http://www.bitsavers.org/pdf/dec/terminal/vt103/EK-VT103-UG-001_VT103_User_Guide_Sep79.pdf"><i>VT103 LSI-11 Video Terminal User's Guide</i></a> <span class="cs1-format">(PDF)</span> (First ed.). <a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a>. September 1979. EK-VT103-UG-001. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110814095851/http://www.bitsavers.org/pdf/dec/terminal/vt103/EK-VT103-UG-001_VT103_User_Guide_Sep79.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 2011-08-14<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-05-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=VT103+LSI-11+Video+Terminal+User%27s+Guide&rft.edition=First&rft.pub=Digital+Equipment+Corporation&rft.date=1979-09&rft_id=http%3A%2F%2Fwww.bitsavers.org%2Fpdf%2Fdec%2Fterminal%2Fvt103%2FEK-VT103-UG-001_VT103_User_Guide_Sep79.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AVT100" class="Z3988"></span></span> </li> </ol></div> <dl><dt>Notes</dt></dl> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">A similar standard was being organized as ECMA-48, which was fairly similar to X3.64. The two standards were later merged in ISO 6429.</span> </li> </ol></div></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=VT100&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://vt100.net/dec/vt_history.html">DEC video terminal history</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200114161545/http://vt100.net/dec/vt_history.html">Archive</a></li> <li><a rel="nofollow" class="external text" href="http://vt100.net/docs/vt100-ug/">VT100 user guide</a></li> <li><a rel="nofollow" class="external text" href="http://vt100.net/docs/vt100-tm/">VT100 Series Technical Manual</a></li> <li><a rel="nofollow" class="external text" href="https://ecma-international.org/publications-and-standards/standards/ecma-48/">ECMA-48</a></li> <li>The <a rel="nofollow" class="external text" href="http://terminals-wiki.org/wiki/index.php/Category:DEC">DEC</a> category at the Terminals Wiki</li></ul> <div class="navbox-styles"><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 .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul 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.navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .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="Digital_Equipment_Corporation" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini 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href="/wiki/Special:EditPage/Template:Digital_Equipment_Corporation" title="Special:EditPage/Template:Digital Equipment Corporation"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Digital_Equipment_Corporation" style="font-size:114%;margin:0 4em"><a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Key people</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ken_Olsen" title="Ken Olsen">Ken Olsen</a> (founder and CEO, 1957–1992)</li> <li><a href="/wiki/Harlan_Anderson" title="Harlan Anderson">Harlan Anderson</a> (co-founder)</li> <li><a href="/wiki/Gordon_Bell" title="Gordon Bell">Gordon Bell</a> (VP of engineering)</li> <li><a href="/wiki/Robert_Palmer_(computer_businessman)" title="Robert Palmer (computer businessman)">Robert Palmer</a> (CEO, 1992–1998)</li></ul> </div></td><td class="noviewer navbox-image" rowspan="9" style="width:1px;padding:0 0 0 2px"><div><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Digital_Equipment_Corporation_1993_logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Digital_Equipment_Corporation_1993_logo.svg/110px-Digital_Equipment_Corporation_1993_logo.svg.png" decoding="async" width="110" height="33" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Digital_Equipment_Corporation_1993_logo.svg/165px-Digital_Equipment_Corporation_1993_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/Digital_Equipment_Corporation_1993_logo.svg/220px-Digital_Equipment_Corporation_1993_logo.svg.png 2x" data-file-width="3124" data-file-height="938" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Instruction_set_architecture" title="Instruction set architecture">Instruction set<br />architectures</a>,<br /><a href="/wiki/Processor_(computing)" title="Processor (computing)">processors</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><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/PDP-11_architecture" title="PDP-11 architecture">PDP-11</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>LSI-11</li> <li>F-11</li> <li><a href="/wiki/DEC_T-11" title="DEC T-11">T-11</a></li> <li><a href="/wiki/DEC_J-11" title="DEC J-11">J-11</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/VAX" title="VAX">VAX</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DEC_V-11" title="DEC V-11">V-11</a></li> <li><a href="/wiki/MicroVAX_78032" title="MicroVAX 78032">MicroVAX 78032</a></li> <li><a href="/wiki/CVAX" title="CVAX">CVAX</a> <ul><li><a href="/wiki/CVAX#SOC" title="CVAX">SOC</a></li></ul></li> <li><a href="/wiki/Rigel_(microprocessor)" title="Rigel (microprocessor)">Rigel</a> <ul><li><a href="/wiki/Rigel_(microprocessor)#Mariah" title="Rigel (microprocessor)">Mariah</a></li></ul></li> <li><a href="/wiki/NVAX" title="NVAX">NVAX</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/DEC_Alpha" title="DEC Alpha">Alpha</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alpha_21064" title="Alpha 21064">Alpha 21064</a> <ul><li><a href="/wiki/Alpha_21064#Alpha_21066" title="Alpha 21064">21066</a></li> <li><a href="/wiki/Alpha_21064#Alpha_21068" title="Alpha 21064">21068</a></li></ul></li> <li><a href="/wiki/Alpha_21164" title="Alpha 21164">Alpha 21164</a> (<a href="/wiki/Alpha_21164#Alpha_21164PC_(PCA56)" title="Alpha 21164">21164PC</a>)</li> <li><a href="/wiki/Alpha_21264" title="Alpha 21264">Alpha 21264</a></li> <li><a href="/wiki/Alpha_21364" title="Alpha 21364">Alpha 21364</a></li> <li><a href="/wiki/Alpha_21464" title="Alpha 21464">Alpha 21464</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DEC_PRISM" title="DEC PRISM">MicroPRISM</a></li> <li><a href="/wiki/StrongARM" title="StrongARM">StrongARM</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Computer_terminal" title="Computer terminal">Computer<br />terminals</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/VT05" title="VT05">VT05</a> (1970)</li> <li><a href="/wiki/DEC_GT40" title="DEC GT40">GT40</a> (1972)</li> <li><a href="/wiki/VT52" title="VT52">VT50/VT52</a> (1975)</li> <li><a href="/wiki/VT55" class="mw-redirect" title="VT55">VT55</a></li> <li><a href="/wiki/VT62" class="mw-redirect" title="VT62">VT62</a></li> <li><a class="mw-selflink selflink">VT100</a> (1978)</li> <li><a href="/wiki/VT101" class="mw-redirect" title="VT101">VT101</a></li> <li><a href="/wiki/VT102" class="mw-redirect" title="VT102">VT102</a></li> <li><a href="/wiki/VT103" class="mw-redirect" title="VT103">VT103</a></li> <li><a href="/wiki/VT105" class="mw-redirect" title="VT105">VT105</a></li> <li><a href="/wiki/VT131" class="mw-redirect" title="VT131">VT131</a></li> <li><a href="/wiki/VT180" title="VT180">VT180</a></li> <li><a href="/wiki/VT220" title="VT220">VT220</a> (1983)</li> <li><a href="/wiki/VT240" class="mw-redirect" title="VT240">VT240</a></li> <li><a href="/wiki/VT241" class="mw-redirect" title="VT241">VT241</a></li> <li><a href="/wiki/VT320" title="VT320">VT320</a> (1987)</li> <li><a href="/wiki/VT330" class="mw-redirect" title="VT330">VT330</a></li> <li><a href="/wiki/VT340" class="mw-redirect" title="VT340">VT340</a></li> <li><a href="/wiki/VT420" title="VT420">VT420</a> (1990)</li> <li><a href="/wiki/VT1000" title="VT1000">VT1000</a> (1990)</li> <li><a href="/wiki/VT510" class="mw-redirect" title="VT510">VT510</a> (1993)</li> <li><a href="/wiki/VT520" title="VT520">VT520</a> (1994)</li> <li><a href="/wiki/VT525" class="mw-redirect" title="VT525">VT525</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Operating_system" title="Operating system">Operating<br />systems</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/PDP-7#Software" title="PDP-7">DECsys</a></li> <li><a href="/wiki/4K_Disk_Monitor_System" class="mw-redirect" title="4K Disk Monitor System">4K DMS</a></li> <li><a href="/wiki/Commercial_Operating_System" title="Commercial Operating System">COS</a></li> <li><a href="/wiki/TOPS-10" title="TOPS-10">TOPS-10</a></li> <li><a href="/wiki/RSX-15" class="mw-redirect" title="RSX-15">RSX-15</a></li> <li><a href="/wiki/TSS/8" title="TSS/8">TSS/8</a></li> <li><a href="/wiki/OS/8" title="OS/8">OS/8</a></li> <li><a href="/wiki/DEC_BATCH-11/DOS-11" title="DEC BATCH-11/DOS-11">DOS-11</a></li> <li><a href="/wiki/RT-11" title="RT-11">RT-11</a></li> <li><a href="/wiki/RSTS/E" title="RSTS/E">RSTS/E</a></li> <li><a href="/wiki/RSX-11" title="RSX-11">RSX-11</a> <ul><li><a href="/wiki/Interactive_Application_System" title="Interactive Application System">IAS</a></li></ul></li> <li><a href="/wiki/MUMPS#1970s" title="MUMPS">DSM-11</a></li> <li><a href="/wiki/TOPS-20" title="TOPS-20">TOPS-20</a></li> <li><a href="/wiki/OpenVMS" title="OpenVMS">VAX/VMS</a></li> <li><a href="/wiki/VAXELN" title="VAXELN">VAXELN</a></li> <li><a href="/wiki/Ultrix" title="Ultrix">Ultrix</a></li> <li><a href="/wiki/DEC_MICA" title="DEC MICA">MICA</a></li> <li><a href="/wiki/Digital_UNIX" class="mw-redirect" title="Digital UNIX">Digital UNIX</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Programming_language" title="Programming language">Programming<br />languages</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/BASIC-8" title="BASIC-8">BASIC-8</a></li> <li><a href="/wiki/DIBOL" title="DIBOL">DIBOL</a></li> <li><a href="/wiki/FOCAL_(programming_language)" title="FOCAL (programming language)">FOCAL</a></li> <li><a href="/wiki/MACRO-10" title="MACRO-10">MACRO-10</a></li> <li><a href="/wiki/MACRO-11" title="MACRO-11">MACRO-11</a></li> <li><a href="/wiki/MUMPS" title="MUMPS">MUMPS</a></li> <li><a href="/wiki/VAX_MACRO" title="VAX MACRO">VAX MACRO</a></li> <li><a href="/wiki/DIGITAL_Command_Language" title="DIGITAL Command Language">DIGITAL Command Language</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Character_encoding" title="Character encoding">Character sets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Multinational_Character_Set" title="Multinational Character Set">Code page 1100</a> (Multinational)</li> <li><a href="/wiki/Code_page_1287" title="Code page 1287">Code page 1287</a> (Greek)</li> <li><a href="/wiki/Code_page_1288" title="Code page 1288">Code page 1288</a> (Turkish)</li> <li><a href="/wiki/DEC_Hebrew" title="DEC Hebrew">Hebrew</a></li> <li><a href="/wiki/National_Replacement_Character_Set" title="National Replacement Character Set">National Replacement</a></li> <li><a href="/wiki/DEC_RADIX_50" title="DEC RADIX 50">RADIX 50</a></li> <li><a href="/wiki/DEC_Special_Graphics" title="DEC Special Graphics">Special Graphics</a></li> <li><a href="/wiki/DEC_Technical_Character_Set" title="DEC Technical Character Set">Technical</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Bus_(computing)" title="Bus (computing)">Bus standards</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Digital_Storage_Systems_Interconnect" title="Digital Storage Systems Interconnect">Digital Storage Systems Interconnect</a></li> <li><a href="/wiki/Massbus" title="Massbus">Massbus</a></li> <li><a href="/wiki/Q-Bus" title="Q-Bus">Q-Bus</a></li> <li><a href="/wiki/Standard_Disk_Interconnect" title="Standard Disk Interconnect">Standard Disk Interconnect</a></li> <li><a href="/wiki/Synchronous_Backplane_Interconnect" title="Synchronous Backplane Interconnect">Synchronous Backplane Interconnect</a></li> <li><a href="/wiki/TURBOchannel" title="TURBOchannel">TURBOchannel</a></li> <li><a href="/wiki/Unibus" title="Unibus">Unibus</a></li> <li><a href="/wiki/VAXBI_bus" title="VAXBI bus">VAXBI bus</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other <a href="/wiki/Computer_hardware" title="Computer hardware">hardware</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DECtalk" title="DECtalk">DECtalk</a></li> <li><a href="/wiki/DECtape" title="DECtape">DECtape</a></li> <li><a href="/wiki/DECwriter" title="DECwriter">DECwriter</a></li> <li><a href="/wiki/Digital_Linear_Tape" title="Digital Linear Tape">Digital Linear Tape</a></li> <li><a href="/wiki/Dynamically_Redefined_Character_Set" title="Dynamically Redefined Character Set">Dynamically Redefined Character Set</a></li> <li><a href="/wiki/Firefly_(cache_coherence_protocol)" title="Firefly (cache coherence protocol)">Firefly</a></li> <li><a href="/wiki/Flip-Chip_module" title="Flip-Chip module">Flip-Chip module</a></li> <li><a href="/wiki/Gold_key_(DEC)" title="Gold key (DEC)">Gold key</a></li> <li><a href="/wiki/LK201" title="LK201">LK201</a></li> <li><a href="/wiki/LK421" title="LK421">LK421</a></li> <li><a href="/wiki/Mass_Storage_Control_Protocol" title="Mass Storage Control Protocol">Mass Storage Control Protocol</a></li> <li><a href="/wiki/PALcode" title="PALcode">PALcode</a></li> <li><a href="/wiki/RA90" title="RA90">RA90</a></li> <li><a href="/wiki/RK05" title="RK05">RK05</a></li> <li><a href="/wiki/RL02" title="RL02">RL02</a></li> <li><a href="/wiki/Star_coupler" title="Star coupler">Star coupler</a></li> <li><a href="/wiki/System_Module" title="System Module">System Module</a></li> <li><a href="/wiki/TU81" title="TU81">TU81</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AdvFS" title="AdvFS">AdvFS</a></li> <li><a href="/wiki/AltaVista" title="AltaVista">AltaVista</a></li> <li><a href="/wiki/Compaq" title="Compaq">Compaq</a></li> <li><i><a href="/wiki/CPU_Wars" title="CPU Wars">CPU Wars</a></i></li> <li><a href="/wiki/DECnet" title="DECnet">DECnet</a></li> <li><a href="/wiki/DECUS" title="DECUS">DECUS</a> <ul><li><a href="/wiki/HP-Interex" title="HP-Interex">HP-Interex</a></li></ul></li> <li><a href="/wiki/Digital_Federal_Credit_Union" title="Digital Federal Credit Union">Digital Federal Credit Union</a></li> <li><a href="/wiki/Dynamic_debugging_technique" title="Dynamic debugging technique">Dynamic debugging technique</a></li> <li><a href="/wiki/FX!32" title="FX!32">FX!32</a></li> <li><a href="/wiki/Local_Area_Transport" title="Local Area Transport">Local Area Transport</a></li> <li><a href="/wiki/Maintenance_Operations_Protocol" title="Maintenance Operations Protocol">Maintenance Operations Protocol</a></li> <li><a href="/wiki/On-line_Debugging_Tool" title="On-line Debugging Tool">On-line Debugging Tool</a></li> <li><a href="/wiki/PALcode" title="PALcode">PALcode</a></li> <li><a href="/wiki/Record_Management_Services" title="Record Management Services">Record Management Services</a></li> <li><a href="/wiki/ReGIS" title="ReGIS">ReGIS</a></li> <li>Sequence and Batch Language</li> <li><a href="/wiki/Sixel" title="Sixel">Sixel</a></li> <li><a href="/wiki/System_Reference_Manual" class="mw-redirect" title="System Reference Manual">System Reference Manual</a></li> <li><a href="/wiki/DEC_Systems_Research_Center" title="DEC Systems Research Center">Systems Research Center</a></li> <li><a href="/wiki/TD/SMP" title="TD/SMP">TD/SMP</a></li> <li><i><a href="/wiki/The_Ultimate_Entrepreneur" title="The Ultimate Entrepreneur">The Ultimate Entrepreneur</a></i></li> <li><a href="/wiki/VT640" title="VT640">VT640</a></li> <li><a href="/wiki/WPS-8" title="WPS-8">WPS-8</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Template"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/16px-Symbol_template_class_pink.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/23px-Symbol_template_class_pink.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Symbol_template_class_pink.svg/31px-Symbol_template_class_pink.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Template:DEC_hardware" title="Template:DEC 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