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class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#ITE_Inc."> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>ITE Inc.</span> </div> </a> <ul id="toc-ITE_Inc.-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Microchip_Technology_(SMSC)" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Microchip_Technology_(SMSC)"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Microchip Technology (SMSC)</span> </div> </a> <ul id="toc-Microchip_Technology_(SMSC)-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Nuvoton_Technology_(Winbond)" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Nuvoton_Technology_(Winbond)"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Nuvoton Technology (Winbond)</span> </div> </a> <ul id="toc-Nuvoton_Technology_(Winbond)-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> 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href="/wiki/File:Motherboard_diagram.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Motherboard_diagram.svg/250px-Motherboard_diagram.svg.png" decoding="async" width="250" height="385" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Motherboard_diagram.svg/375px-Motherboard_diagram.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Motherboard_diagram.svg/500px-Motherboard_diagram.svg.png 2x" data-file-width="370" data-file-height="570" /></a><figcaption>Diagram of a motherboard, which supports many on-board peripheral functions as well as several expansion slots.</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:ITE_IT8712F-A_and_TI_98A3XRK_20100419.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/12/ITE_IT8712F-A_and_TI_98A3XRK_20100419.jpg/235px-ITE_IT8712F-A_and_TI_98A3XRK_20100419.jpg" decoding="async" width="235" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/12/ITE_IT8712F-A_and_TI_98A3XRK_20100419.jpg/353px-ITE_IT8712F-A_and_TI_98A3XRK_20100419.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/12/ITE_IT8712F-A_and_TI_98A3XRK_20100419.jpg/470px-ITE_IT8712F-A_and_TI_98A3XRK_20100419.jpg 2x" data-file-width="3264" data-file-height="2448" /></a><figcaption>ITE Super I/O chip (IT8712F)</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Smsc_superIO_on_IBM.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Smsc_superIO_on_IBM.JPG/235px-Smsc_superIO_on_IBM.JPG" decoding="async" width="235" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Smsc_superIO_on_IBM.JPG/353px-Smsc_superIO_on_IBM.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Smsc_superIO_on_IBM.JPG/470px-Smsc_superIO_on_IBM.JPG 2x" data-file-width="3264" data-file-height="2448" /></a><figcaption>SMSC™ (now Microchip) Super I/O chip (FDC37M813) on <a href="/wiki/IBM" title="IBM">IBM</a> motherboard</figcaption></figure> <p><b>Super I/O</b> (sometimes Multi-IO)<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> is a class of <a href="/wiki/Input/output" title="Input/output">I/O</a> controller <a href="/wiki/Integrated_circuit" title="Integrated circuit">integrated circuits</a> that began to be used on <a href="/wiki/Personal_computer" title="Personal computer">personal computer</a> <a href="/wiki/Motherboard" title="Motherboard">motherboards</a> in the late 1980s, originally as <a href="/wiki/Expansion_card" title="Expansion card">add-in cards</a>, later embedded on the motherboards. A super I/O chip combines interfaces for a variety of low-<a href="/wiki/Bandwidth_(computing)" title="Bandwidth (computing)">bandwidth</a> devices. Now it is mostly merged with <a href="/wiki/Embedded_controller" title="Embedded controller"><b>EC</b></a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Functions">Functions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Super_I/O&action=edit&section=1" title="Edit section: Functions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The functions below are usually provided by the super I/O if they are on the motherboard: </p> <ul><li>A <a href="/wiki/Floppy-disk_controller" title="Floppy-disk controller">floppy-disk controller</a><sup id="cite_ref-examples_2-0" class="reference"><a href="#cite_note-examples-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li>An <a href="/wiki/IEEE_1284" title="IEEE 1284">IEEE 1284</a>-compatible <a href="/wiki/Parallel_port" title="Parallel port">parallel port</a><sup id="cite_ref-examples_2-1" class="reference"><a href="#cite_note-examples-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> (commonly used for <a href="/wiki/Computer_printer" class="mw-redirect" title="Computer printer">printers</a>)</li> <li>One or more <a href="/wiki/16550_UART" title="16550 UART">16C550</a>-compatible <a href="/wiki/Serial_port" title="Serial port">serial port</a> <a href="/wiki/Universal_asynchronous_receiver/transmitter" class="mw-redirect" title="Universal asynchronous receiver/transmitter">UARTs</a><sup id="cite_ref-examples_2-2" class="reference"><a href="#cite_note-examples-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Keyboard_controller_(computing)" title="Keyboard controller (computing)">Keyboard controller</a> for <a href="/wiki/PS/2_port" title="PS/2 port">PS/2</a> <a href="/wiki/Computer_keyboard" title="Computer keyboard">keyboard</a> and/or <a href="/wiki/Mouse_(computing)" class="mw-redirect" title="Mouse (computing)">mouse</a></li></ul> <p>Most Super I/O chips include some additional low-speed devices, such as: </p> <ul><li>Temperature, voltage, and fan speed interface<sup id="cite_ref-ieee07-hw-mon_3-0" class="reference"><a href="#cite_note-ieee07-hw-mon-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ite_4-0" class="reference"><a href="#cite_note-ite-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></li> <li>Connect temperature and voltage sensors via <a href="/wiki/SMBus" class="mw-redirect" title="SMBus">SMBus</a></li> <li>Thermal Zone</li> <li>Chassis intrusion detection</li> <li>Mainboard power management, including control <a href="/wiki/Voltage_regulator_module" title="Voltage regulator module">voltage regulator module</a></li> <li>LED management</li> <li><a href="/wiki/Pulse-width_modulation" title="Pulse-width modulation">PWM</a> <a href="/wiki/Computer_fan_control" title="Computer fan control">fan speed control</a><sup id="cite_ref-sensors-mmath_5-0" class="reference"><a href="#cite_note-sensors-mmath-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li> <li>An <a href="/wiki/Infrared_Data_Association" title="Infrared Data Association">IrDA Port</a> controller</li> <li>A <a href="/wiki/Game_port" title="Game port">game port</a> (not provided by recent super I/O chips because <a href="/wiki/Windows_XP" title="Windows XP">Windows XP</a> is the last Windows OS to natively support game ports, requiring vendors to supply their own <a href="/wiki/Device_driver" title="Device driver">drivers</a> for later Windows operating systems)<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup></li> <li>A <a href="/wiki/Watchdog_timer" title="Watchdog timer">watchdog timer</a></li> <li>A <a href="/wiki/Consumer_IR" title="Consumer IR">consumer IR</a> receiver</li> <li>A <a href="/wiki/MIDI" title="MIDI">MIDI</a> port</li> <li>Some <a href="/wiki/General-purpose_input/output" title="General-purpose input/output">GPIO</a> pins</li> <li><a href="/wiki/Legacy_Plug_and_Play" title="Legacy Plug and Play">Legacy Plug and Play</a> or <a href="/wiki/Advanced_Configuration_and_Power_Interface" class="mw-redirect" title="Advanced Configuration and Power Interface">ACPI</a> support for the included devices</li></ul> <p>By combining many functions in a single chip, the number of parts needed on a motherboard is reduced, thus reducing the cost of production. </p> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Super_I/O&action=edit&section=2" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The original super I/O chips communicated with the <a href="/wiki/Central_processing_unit" title="Central processing unit">central processing unit</a> (CPU) via the <a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA</a> bus.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> With the evolution away from ISA towards use of the <a href="/wiki/Peripheral_Component_Interconnect" title="Peripheral Component Interconnect">PCI</a> bus, the Super I/O chip was often the biggest remaining reason for continuing inclusion of ISA on the motherboard. </p><p>Later super I/O chips use the <a href="/wiki/Low_Pin_Count" title="Low Pin Count">LPC</a> bus instead of ISA for communication with the central processing unit. This normally occurs through an LPC interface on the <a href="/wiki/Southbridge_(computing)" title="Southbridge (computing)">Southbridge</a> chip of the motherboard. </p><p>Since Intel is replacing the LPC bus with the <a href="/wiki/Enhanced_Serial_Peripheral_Interface_Bus" class="mw-redirect" title="Enhanced Serial Peripheral Interface Bus">eSPI</a> bus, super I/O chips that connect to that bus have appeared on the market. </p><p>Companies that make super I/O controllers include <a href="/wiki/Nuvoton" title="Nuvoton">Nuvoton</a> (spun off from <a href="/wiki/Winbond" title="Winbond">Winbond</a>),<sup id="cite_ref-examples_2-3" class="reference"><a href="#cite_note-examples-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> <a href="/w/index.php?title=ITE_Inc.&action=edit&redlink=1" class="new" title="ITE Inc. (page does not exist)">ITE Inc.</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://zh.wikipedia.org/wiki/%E8%81%AF%E9%99%BD%E5%8D%8A%E5%B0%8E%E9%AB%94" class="extiw" title="zh:聯陽半導體">zh</a>]</span>,<sup id="cite_ref-examples_2-4" class="reference"><a href="#cite_note-examples-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ite_4-1" class="reference"><a href="#cite_note-ite-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Fintek Inc. ,<sup id="cite_ref-fintek_7-0" class="reference"><a href="#cite_note-fintek-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>ENE Tech. (for laptop) and <a href="/wiki/Microchip_Technology" title="Microchip Technology">Microchip Technology</a> (which bought SMSC™). <a href="/wiki/National_Semiconductor" title="National Semiconductor">National Semiconductor</a> used to make super I/O controllers but sold that business to Winbond at 2005, which already had a competing super I/O controller business. In 2008, Winbond then spun off its logic businesses to a wholly owned subsidiary, Nuvoton. SMSC made super I/O chips and then got acquired by Microchip Technology. </p> <div class="mw-heading mw-heading2"><h2 id="Common_models">Common models</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Super_I/O&action=edit&section=3" title="Edit section: Common models"><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">This is a <a href="/wiki/Wikipedia:WikiProject_Lists#Dynamic_lists" title="Wikipedia:WikiProject Lists">dynamic list</a> and may never be able to satisfy particular standards for completeness. You can help by <a href="/wiki/Special:EditPage/Super_I/O" title="Special:EditPage/Super I/O">adding missing items</a> with <a href="/wiki/Wikipedia:Reliable_sources" title="Wikipedia:Reliable sources">reliable sources</a>.</div> <div class="mw-heading mw-heading3"><h3 id="ENE_Tech.">ENE Tech.</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Super_I/O&action=edit&section=4" title="Edit section: ENE Tech."><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Many models are used for laptops with built-in keyboard controllers </p> <ul><li>KB3930</li> <li>KB930QF</li></ul> <div class="mw-heading mw-heading3"><h3 id="ITE_Inc.">ITE Inc.</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Super_I/O&action=edit&section=5" title="Edit section: ITE Inc."><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>T8510E series</li></ul> <div class="mw-heading mw-heading3"><h3 id="Microchip_Technology_(SMSC)"><span id="Microchip_Technology_.28SMSC.29"></span>Microchip Technology (SMSC)</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Super_I/O&action=edit&section=6" title="Edit section: Microchip Technology (SMSC)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Microchip Technology provides Super I/O components with their SCH, MEC and LPC47 series. Here are some examples: </p> <ul><li>SCH3112</li> <li>SCH3114</li> <li>SCH3116</li> <li>SCH3223</li></ul> <div class="mw-heading mw-heading3"><h3 id="Nuvoton_Technology_(Winbond)"><span id="Nuvoton_Technology_.28Winbond.29"></span>Nuvoton Technology (<a href="/wiki/Winbond" title="Winbond">Winbond</a>)</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Super_I/O&action=edit&section=7" title="Edit section: Nuvoton Technology (Winbond)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>NCT6776</li></ul> <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=Super_I/O&action=edit&section=8" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Envsys" title="Envsys">envsys</a></li> <li><a href="/wiki/Hw.sensors" title="Hw.sensors">hw.sensors</a></li> <li><a href="/wiki/Lm_sensors" title="Lm sensors">lm_sensors</a> contains a tool named sensors-detect that can also detect which Super I/O is used on a mainboard</li> <li><a href="/wiki/SpeedFan" title="SpeedFan">SpeedFan</a></li> <li><a href="/wiki/Embedded_controller" title="Embedded controller">Embedded controller</a> (EC)</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=Super_I/O&action=edit&section=9" 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"><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="CITEREFLeonhardt1995" class="citation book cs1">Leonhardt, Frank (1995). <a rel="nofollow" class="external text" href="http://archive.org/details/PersonalComputerWorldMagazine"><i>Personal Computer World</i></a>. VNU Business Publications. p. 347.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Personal+Computer+World&rft.pages=347&rft.pub=VNU+Business+Publications&rft.date=1995&rft.aulast=Leonhardt&rft.aufirst=Frank&rft_id=http%3A%2F%2Farchive.org%2Fdetails%2FPersonalComputerWorldMagazine&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASuper+I%2FO" class="Z3988"></span></span> </li> <li id="cite_note-examples-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-examples_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-examples_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-examples_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-examples_2-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-examples_2-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080518045704/http://www.esupport.com/techsupport/award/superio.htm">"Super I/O Chip Examples"</a>. 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Proceedings of 2007 IEEE International Conference on Networking, Sensing and Control, 15–17 April 2007. London, United Kingdom: <a href="/wiki/Institute_of_Electrical_and_Electronics_Engineers" title="Institute of Electrical and Electronics Engineers">IEEE</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1109%2FICNSC.2007.372901">10.1109/ICNSC.2007.372901</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4244-1076-7" title="Special:BookSources/978-1-4244-1076-7"><bdi>978-1-4244-1076-7</bdi></a>. 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Retrieved <span class="nowrap">2019-03-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=BSD+Cross+Reference&rft.atitle=it+%E2%80%94+ITE+IT8705F%2F12F%2F16F+and+SiS+SiS950+Super+I%2FO+Hardware+Monitor&rft.date=2003&rft.au=Julien+Bordet&rft_id=http%3A%2F%2Fbxr.su%2Fd%2Fshare%2Fman%2Fman4%2Fit.4&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASuper+I%2FO" class="Z3988"></span> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation book cs1">"it -- ITE IT8705F/12F/16F and SiS SiS950 Super I/O Hardware Monitor". <a rel="nofollow" class="external text" href="http://mdoc.su/d/it.4"><i>DragonFly On-Line Manual Pages</i></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=it+--+ITE+IT8705F%2F12F%2F16F+and+SiS+SiS950+Super+I%2FO+Hardware+Monitor&rft.btitle=DragonFly+On-Line+Manual+Pages&rft_id=http%3A%2F%2Fmdoc.su%2Fd%2Fit.4&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASuper+I%2FO" class="Z3988"></span></li></ul> </span></li> <li id="cite_note-sensors-mmath-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-sensors-mmath_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFConstantine_A._Murenin2010" class="citation thesis cs1">Constantine A. Murenin (2010-05-21). <a rel="nofollow" class="external text" href="http://cnst.su/MMathCS"><i>OpenBSD Hardware Sensors — Environmental Monitoring and Fan Control</i></a> (<a href="/wiki/Master_of_Mathematics#Canada" title="Master of Mathematics">MMath</a> thesis). <a href="/wiki/University_of_Waterloo" title="University of Waterloo">University of Waterloo</a>: UWSpace. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<a rel="nofollow" class="external text" href="https://hdl.handle.net/10012%2F5234">10012/5234</a>. Document ID: ab71498b6b1a60ff817b29d56997a418.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.title=OpenBSD+Hardware+Sensors+%E2%80%94+Environmental+Monitoring+and+Fan+Control.&rft.degree=MMath&rft.inst=UWSpace&rft.date=2010-05-21&rft_id=info%3Ahdl%2F10012%2F5234&rft.au=Constantine+A.+Murenin&rft_id=http%3A%2F%2Fcnst.su%2FMMathCS&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASuper+I%2FO" 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 id="CITEREFBudrukAndersonShanley2004" class="citation book cs1">Budruk, Ravi; Anderson, Don; Shanley, Tom (2004). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=IA-5TR1RgXQC&dq=super+io+chip&pg=PA16"><i>PCI Express System Architecture</i></a>. Addison-Wesley. p. 16. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-321-15630-3" title="Special:BookSources/978-0-321-15630-3"><bdi>978-0-321-15630-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=PCI+Express+System+Architecture&rft.pages=16&rft.pub=Addison-Wesley&rft.date=2004&rft.isbn=978-0-321-15630-3&rft.aulast=Budruk&rft.aufirst=Ravi&rft.au=Anderson%2C+Don&rft.au=Shanley%2C+Tom&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DIA-5TR1RgXQC%26dq%3Dsuper%2Bio%2Bchip%26pg%3DPA16&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASuper+I%2FO" class="Z3988"></span></span> </li> <li id="cite_note-fintek-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-fintek_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFAlexander_Yurchenko2005" class="citation web cs1">Alexander Yurchenko (2005). <a rel="nofollow" class="external text" href="http://bxr.su/o/share/man/man4/fins.4">"fins — Fintek F71805F LPC Super I/O"</a>. <i>BSD Cross Reference</i>. <a href="/wiki/OpenBSD" title="OpenBSD">OpenBSD</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2019-03-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=BSD+Cross+Reference&rft.atitle=fins+%E2%80%94+Fintek+F71805F+LPC+Super+I%2FO&rft.date=2005&rft.au=Alexander+Yurchenko&rft_id=http%3A%2F%2Fbxr.su%2Fo%2Fshare%2Fman%2Fman4%2Ffins.4&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASuper+I%2FO" class="Z3988"></span> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation book cs1">"fins — Fintek F71805F LPC Super I/O". <a rel="nofollow" class="external text" href="http://mdoc.su/o/fins.4"><i>OpenBSD manual page server</i></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=fins+%E2%80%94+Fintek+F71805F+LPC+Super+I%2FO&rft.btitle=OpenBSD+manual+page+server&rft_id=http%3A%2F%2Fmdoc.su%2Fo%2Ffins.4&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASuper+I%2FO" class="Z3988"></span></li></ul> </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=Super_I/O&action=edit&section=10" 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://www.coreboot.org/Superiotool">Superiotool</a> is a Linux user-space tool to detect which Super I/O is used on a mainboard, and it can provide detailed information about its register contents.</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Super_I/O&oldid=1248907116">https://en.wikipedia.org/w/index.php?title=Super_I/O&oldid=1248907116</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Motherboard" title="Category:Motherboard">Motherboard</a></li><li><a href="/wiki/Category:Input/output_integrated_circuits" title="Category:Input/output integrated circuits">Input/output integrated circuits</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:All_articles_with_unsourced_statements" title="Category:All articles with unsourced statements">All articles with unsourced statements</a></li><li><a href="/wiki/Category:Articles_with_unsourced_statements_from_June_2024" title="Category:Articles with unsourced statements from June 2024">Articles with unsourced statements from June 2024</a></li><li><a href="/wiki/Category:Dynamic_lists" title="Category:Dynamic lists">Dynamic lists</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 2 October 2024, at 03:17<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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