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<!DOCTYPE html> <html class="client-nojs" lang="en" dir="ltr"> <head> <meta charset="UTF-8"/> <title>Category:X86 - OSDev Wiki</title> <script>document.documentElement.className="client-js";RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy","wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"af127e81d4ad279e485b60f9","wgCSPNonce":false,"wgCanonicalNamespace":"Category","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":14,"wgPageName":"Category:X86","wgTitle":"X86","wgCurRevisionId":12645,"wgRevisionId":12645,"wgArticleId":1384,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Platforms"],"wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Category:X86","wgRelevantArticleId":1384,"wgIsProbablyEditable":false,"wgRelevantPageIsProbablyEditable":false,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgMFDisplayWikibaseDescriptions":{"search":false,"nearby":false, "watchlist":false,"tagline":false},"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgVector2022PreviewPages":[],"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgEditSubmitButtonLabelPublish":false};RLSTATE={"site.styles":"ready","user.styles":"ready","user":"ready","user.options":"loading","mediawiki.action.styles":"ready","mediawiki.helplink":"ready","skins.vector.styles.legacy":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.DarkMode.styles":"ready"};RLPAGEMODULES=["site","mediawiki.page.ready","skins.vector.legacy.js","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.DarkMode","ext.moderation.notify","ext.moderation.ve","ext.moderation.ajaxhook","ext.moderation.notify.desktop"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.implement("user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"});});});</script> <link rel="stylesheet" href="/load.php?lang=en&modules=ext.DarkMode.styles%7Cext.visualEditor.desktopArticleTarget.noscript%7Cmediawiki.action.styles%7Cmediawiki.helplink%7Cskins.vector.styles.legacy&only=styles&skin=vector"/> <script async="" src="/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector"></script> <meta name="ResourceLoaderDynamicStyles" content=""/> <link rel="stylesheet" href="/load.php?lang=en&modules=site.styles&only=styles&skin=vector"/> <meta name="generator" content="MediaWiki 1.39.7"/> <meta name="format-detection" content="telephone=no"/> <meta name="viewport" content="width=1000"/> <link rel="icon" href="/favicon.ico"/> <link rel="search" type="application/opensearchdescription+xml" href="/opensearch_desc.php" title="OSDev Wiki (en)"/> <link rel="EditURI" type="application/rsd+xml" href="https://wiki.osdev.org/api.php?action=rsd"/> <link rel="alternate" type="application/atom+xml" title="OSDev Wiki Atom feed" href="/index.php?title=Special:RecentChanges&feed=atom"/> </head> <body class="mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-14 ns-subject page-Category_X86 rootpage-Category_X86 skin-vector action-view skin-vector-legacy vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-language-alert-in-sidebar-disabled vector-feature-sticky-header-disabled vector-feature-sticky-header-edit-disabled vector-feature-table-of-contents-disabled vector-feature-visual-enhancement-next-disabled"><div id="mw-page-base" class="noprint"></div> <div id="mw-head-base" class="noprint"></div> <div id="content" class="mw-body" role="main"> <a id="top"></a> <div id="siteNotice"></div> <div class="mw-indicators"> <div id="mw-indicator-mw-helplink" class="mw-indicator"><a href="https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Categories" target="_blank" class="mw-helplink">Help</a></div> </div> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Category</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">X86</span></h1> <div id="bodyContent" class="vector-body"> <div id="siteSub" class="noprint">From OSDev Wiki</div> <div id="contentSub"></div> <div id="contentSub2"></div> <div id="jump-to-nav"></div> <a class="mw-jump-link" href="#mw-head">Jump to navigation</a> <a class="mw-jump-link" href="#searchInput">Jump to search</a> <div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="en" dir="ltr"><div class="mw-parser-output"><p>The x86 category includes information covering Intels 8086,186,286,386,486,Pentium, and newer cpus that initialize in an 8086 compatibility mode. The term x86 is typically limited to 16 and 32-bit cpus. Cpus that have 64-bit extensions to x86 compatible cpus are commonly known as x86-64. Computer systems are considered to be x86 architecture systems if they are opcode compatible with Intel x86 cpus even when employing cpus by manufacturers such as Cyrix and AMD. X86 now has the X87 coprocessor (FPU) intergrated </p>    </div><div class="mw-category-generated" lang="en" dir="ltr"><div id="mw-subcategories"> <h2>Subcategories</h2> <p>This category has the following 7 subcategories, out of 7 total. </p><div lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-category mw-category-columns"><div class="mw-category-group"><h3>B</h3> <ul><li><a href="/Category:BIOS" title="Category:BIOS">BIOS</a></li></ul></div><div class="mw-category-group"><h3>C</h3> <ul><li><a href="/Category:CPU_Registers" title="Category:CPU Registers">CPU Registers</a></li></ul></div><div class="mw-category-group"><h3>I</h3> <ul><li><a href="/Category:Interrupts" title="Category:Interrupts">Interrupts</a></li></ul></div><div class="mw-category-group"><h3>P</h3> <ul><li><a href="/Category:Power_management" title="Category:Power management">Power management</a></li></ul></div><div class="mw-category-group"><h3>U</h3> <ul><li><a href="/Category:UEFI" title="Category:UEFI">UEFI</a></li></ul></div><div class="mw-category-group"><h3>X</h3> <ul><li><a href="/Category:X86_CPU" title="Category:X86 CPU">X86 CPU</a></li> <li><a href="/Category:X86-64" title="Category:X86-64">X86-64</a></li></ul></div></div></div> </div><div id="mw-pages"> <h2>Pages in category "X86"</h2> <p>The following 46 pages are in this category, out of 46 total. </p><div lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-category mw-category-columns"><div class="mw-category-group"><h3>8</h3> <ul><li><a href="/8259_PIC" title="8259 PIC">8259 PIC</a></li></ul></div><div class="mw-category-group"><h3>A</h3> <ul><li><a href="/A20_Line" title="A20 Line">A20 Line</a></li> <li><a href="/AVX2" title="AVX2">AVX2</a></li></ul></div><div class="mw-category-group"><h3>B</h3> <ul><li><a href="/BIOS" title="BIOS">BIOS</a></li> <li><a href="/BIOS32" title="BIOS32">BIOS32</a></li> <li><a href="/Boot_Sequence" title="Boot Sequence">Boot Sequence</a></li></ul></div><div class="mw-category-group"><h3>C</h3> <ul><li><a href="/CMOS" title="CMOS">CMOS</a></li></ul></div><div class="mw-category-group"><h3>D</h3> <ul><li><a href="/Descriptor" title="Descriptor">Descriptor</a></li> <li><a href="/Detecting_Memory_(x86)" title="Detecting Memory (x86)">Detecting Memory (x86)</a></li> <li><a href="/Disk_access_using_the_BIOS_(INT_13h)" title="Disk access using the BIOS (INT 13h)">Disk access using the BIOS (INT 13h)</a></li> <li><a href="/DPL" title="DPL">DPL</a></li></ul></div><div class="mw-category-group"><h3>E</h3> <ul><li><a href="/Exceptions" title="Exceptions">Exceptions</a></li></ul></div><div class="mw-category-group"><h3>F</h3> <ul><li><a href="/Floating_Point_Number" title="Floating Point Number">Floating Point Number</a></li> <li><a href="/FPU" title="FPU">FPU</a></li></ul></div><div class="mw-category-group"><h3>G</h3> <ul><li><a href="/Going_Further_on_x86" title="Going Further on x86">Going Further on x86</a></li></ul></div><div class="mw-category-group"><h3>H</h3> <ul><li><a href="/User:Halofreak1990/Cromwell" title="User:Halofreak1990/Cromwell">User:Halofreak1990/Cromwell</a></li></ul></div><div class="mw-category-group"><h3>I</h3> <ul><li><a href="/I/O_Ports" title="I/O Ports">I/O Ports</a></li> <li><a href="/I8042_PS/2_Controller" title="I8042 PS/2 Controller">I8042 PS/2 Controller</a></li> <li><a href="/IA32_Architecture_Family" title="IA32 Architecture Family">IA32 Architecture Family</a></li> <li><a href="/Interrupt_Service_Routines" title="Interrupt Service Routines">Interrupt Service Routines</a></li></ul></div><div class="mw-category-group"><h3>L</h3> <ul><li><a href="/Learning_80x86_Assembly" title="Learning 80x86 Assembly">Learning 80x86 Assembly</a></li> <li><a href="/Lingemu" title="Lingemu">Lingemu</a></li></ul></div><div class="mw-category-group"><h3>M</h3> <ul><li><a href="/MBR_(x86)" title="MBR (x86)">MBR (x86)</a></li> <li><a href="/Memory_Map_(x86)" title="Memory Map (x86)">Memory Map (x86)</a></li> <li><a href="/MP_Specification" title="MP Specification">MP Specification</a></li></ul></div><div class="mw-category-group"><h3>P</h3> <ul><li><a href="/Partition_Table" title="Partition Table">Partition Table</a></li> <li><a href="/Physical_Address_Extension" title="Physical Address Extension">Physical Address Extension</a></li> <li><a href="/PNP_Calls_In_Protected_Mode" title="PNP Calls In Protected Mode">PNP Calls In Protected Mode</a></li> <li><a href="/Port_IO" title="Port IO">Port IO</a></li> <li><a href="/Porting_to_UEFI" title="Porting to UEFI">Porting to UEFI</a></li></ul></div><div class="mw-category-group"><h3>R</h3> <ul><li><a href="/Ralf_Brown%27s_Interrupt_List" title="Ralf Brown's Interrupt List">Ralf Brown's Interrupt List</a></li> <li><a href="/Real_Mode" title="Real Mode">Real Mode</a></li></ul></div><div class="mw-category-group"><h3>S</h3> <ul><li><a href="/Segment_Selector" title="Segment Selector">Segment Selector</a></li> <li><a href="/Segmentation" title="Segmentation">Segmentation</a></li> <li><a href="/SSE" title="SSE">SSE</a></li> <li><a href="/Stack_Trace" title="Stack Trace">Stack Trace</a></li> <li><a href="/System_Initialization_(x86)" title="System Initialization (x86)">System Initialization (x86)</a></li> <li><a href="/System_Management_BIOS" title="System Management BIOS">System Management BIOS</a></li> <li><a href="/System_Management_Mode" title="System Management Mode">System Management Mode</a></li></ul></div><div class="mw-category-group"><h3>T</h3> <ul><li><a href="/TLB" title="TLB">TLB</a></li></ul></div><div class="mw-category-group"><h3>U</h3> <ul><li><a href="/UEFI" title="UEFI">UEFI</a></li> <li><a href="/Uefi.inc" title="Uefi.inc">Uefi.inc</a></li></ul></div><div class="mw-category-group"><h3>V</h3> <ul><li><a href="/VMX" title="VMX">VMX</a></li></ul></div><div class="mw-category-group"><h3>W</h3> <ul><li><a href="/Which_assembler_should_I_use%3F(x86)" title="Which assembler should I use?(x86)">Which assembler should I use?(x86)</a></li></ul></div><div class="mw-category-group"><h3>X</h3> <ul><li><span class="redirect-in-category"><a href="/X86" class="mw-redirect" title="X86">X86</a></span></li> <li><a href="/Xbox" title="Xbox">Xbox</a></li></ul></div></div></div> </div></div> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://wiki.osdev.org/index.php?title=Category:X86&oldid=12645">https://wiki.osdev.org/index.php?title=Category:X86&oldid=12645</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/Special:Categories" title="Special:Categories">Category</a>: <ul><li><a href="/Category:Platforms" title="Category:Platforms">Platforms</a></li></ul></div></div> </div> </div> <div id="mw-navigation"> <h2>Navigation menu</h2> <div id="mw-head"> <nav id="p-personal" class="vector-menu mw-portlet mw-portlet-personal vector-user-menu-legacy" 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