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  15 <H1>Keyboard scancodes</H1>
  16
  17 <H2>Andries Brouwer, <CODE>aeb@cwi.nl</CODE></H2>v1.2e, 2004-05-20
  18 <P><HR>
  19 <EM>This note contains some information about PC keyboard scancodes.</EM>
  20 <HR>
  21 <P>
  22 <H2><A NAME="toc1">1.</A> <A HREF="scancodes-1.html">Keyboard scancodes</A></H2>
  23
  24 <UL>
  25 <LI><A HREF="scancodes-1.html#ss1.1">1.1 Key release</A>
  26 <LI><A HREF="scancodes-1.html#ss1.2">1.2 Protocol scancodes</A>
  27 <LI><A HREF="scancodes-1.html#ss1.3">1.3 Escape scancodes</A>
  28 <LI><A HREF="scancodes-1.html#ss1.4">1.4 Ordinary scancodes</A>
  29 <LI><A HREF="scancodes-1.html#ss1.5">1.5 Escaped scancodes</A>
  30 <LI><A HREF="scancodes-1.html#ss1.6">1.6 Fake shifts</A>
  31 <LI><A HREF="scancodes-1.html#ss1.7">1.7 Added non-fake shifts</A>
  32 <LI><A HREF="scancodes-1.html#ss1.8">1.8 Turbo Mode</A>
  33 <LI><A HREF="scancodes-1.html#ss1.9">1.9 Power Saving</A>
  34 <LI><A HREF="scancodes-1.html#ss1.10">1.10 Initializing special keyboards</A>
  35 <LI><A HREF="scancodes-1.html#ss1.11">1.11 Manipulating extra LEDs</A>
  36 <LI><A HREF="scancodes-1.html#ss1.12">1.12 The laptop FN key</A>
  37 </UL>
  38 <P>
  39 <H2><A NAME="toc2">2.</A> <A HREF="scancodes-2.html">Special keyboards - XT keyboards</A></H2>
  40
  41 <UL>
  42 <LI><A HREF="scancodes-2.html#ss2.1">2.1 XT keyboard</A>
  43 <LI><A HREF="scancodes-2.html#ss2.2">2.2 Victor keyboard</A>
  44 <LI><A HREF="scancodes-2.html#ss2.3">2.3 Olivetti M24 keyboard</A>
  45 <LI><A HREF="scancodes-2.html#ss2.4">2.4 Telerate keyboard</A>
  46 <LI><A HREF="scancodes-2.html#ss2.5">2.5 NCR keyboard</A>
  47 <LI><A HREF="scancodes-2.html#ss2.6">2.6 Cherry G80-0777</A>
  48 </UL>
  49 <P>
  50 <H2><A NAME="toc3">3.</A> <A HREF="scancodes-3.html">Special keyboards - Amstrad/Schneider keyboards</A></H2>
  51
  52 <UL>
  53 <LI><A HREF="scancodes-3.html#ss3.1">3.1 Amstrad/Schneider PC1512</A>
  54 <LI><A HREF="scancodes-3.html#ss3.2">3.2 Amstrad/Schneider other models</A>
  55 </UL>
  56 <P>
  57 <H2><A NAME="toc4">4.</A> <A HREF="scancodes-4.html">Special keyboards - AT keyboards</A></H2>
  58
  59 <P>
  60 <H2><A NAME="toc5">5.</A> <A HREF="scancodes-5.html">Special keyboards - MF II keyboards</A></H2>
  61
  62 <UL>
  63 <LI><A HREF="scancodes-5.html#ss5.1">5.1 Compaq keyboards</A>
  64 <LI><A HREF="scancodes-5.html#ss5.2">5.2 IBM keyboards</A>
  65 <LI><A HREF="scancodes-5.html#ss5.3">5.3 Logitech keyboards</A>
  66 <LI><A HREF="scancodes-5.html#ss5.4">5.4 Microsoft keyboards</A>
  67 <LI><A HREF="scancodes-5.html#ss5.5">5.5 Safeway keyboards</A>
  68 <LI><A HREF="scancodes-5.html#ss5.6">5.6 Internet Wireless Keyboard</A>
  69 <LI><A HREF="scancodes-5.html#ss5.7">5.7 Nokia keyboard</A>
  70 <LI><A HREF="scancodes-5.html#ss5.8">5.8 Focus KeyPro FK-9000 keyboard</A>
  71 <LI><A HREF="scancodes-5.html#ss5.9">5.9 BTC keyboard</A>
  72 <LI><A HREF="scancodes-5.html#ss5.10">5.10 LK411 and LK450 keyboards</A>
  73 <LI><A HREF="scancodes-5.html#ss5.11">5.11 An OmniKey keyboard</A>
  74 <LI><A HREF="scancodes-5.html#ss5.12">5.12 GRiD 2260 keyboard</A>
  75 <LI><A HREF="scancodes-5.html#ss5.13">5.13 An old Olivetti keyboard</A>
  76 <LI><A HREF="scancodes-5.html#ss5.14">5.14 Cherry G81-3000</A>
  77 <LI><A HREF="scancodes-5.html#ss5.15">5.15 Accord keyboard</A>
  78 <LI><A HREF="scancodes-5.html#ss5.16">5.16 Trust Ergonomic keyboard</A>
  79 <LI><A HREF="scancodes-5.html#ss5.17">5.17 Brazilian keyboards</A>
  80 <LI><A HREF="scancodes-5.html#ss5.18">5.18 RC930 keyboard</A>
  81 <LI><A HREF="scancodes-5.html#ss5.19">5.19 Tandberg Data keyboard</A>
  82 <LI><A HREF="scancodes-5.html#ss5.20">5.20 Host Connected keyboard</A>
  83 <LI><A HREF="scancodes-5.html#ss5.21">5.21 A nameless USB keyboard</A>
  84 <LI><A HREF="scancodes-5.html#ss5.22">5.22 Omnibook keyboard</A>
  85 <LI><A HREF="scancodes-5.html#ss5.23">5.23 EZ Button keyboard</A>
  86 <LI><A HREF="scancodes-5.html#ss5.24">5.24 Chicony KBP-8993 keyboard</A>
  87 <LI><A HREF="scancodes-5.html#ss5.25">5.25 Keyboards for HP Kayak and Vectra</A>
  88 <LI><A HREF="scancodes-5.html#ss5.26">5.26 A keyboard</A>
  89 <LI><A HREF="scancodes-5.html#ss5.27">5.27 Yahoo! keyboard</A>
  90 <LI><A HREF="scancodes-5.html#ss5.28">5.28 Honeywell Multimedia Keyboard</A>
  91 <LI><A HREF="scancodes-5.html#ss5.29">5.29 Samsung Ergonomics Keyboard</A>
  92 <LI><A HREF="scancodes-5.html#ss5.30">5.30 The "LiteOn MediaTouch Keyboard" type SK-2500</A>
  93 <LI><A HREF="scancodes-5.html#ss5.31">5.31 The Acer Aspire 1310LC laptop</A>
  94 <LI><A HREF="scancodes-5.html#ss5.32">5.32 The Emachines eKB-5190(A) keyboard</A>
  95 <LI><A HREF="scancodes-5.html#ss5.33">5.33 Keyboards with many keys</A>
  96 <LI><A HREF="scancodes-5.html#ss5.34">5.34 A keyboard treating PrtSc/SysRq like Pause/Break</A>
  97 </UL>
  98 <P>
  99 <H2><A NAME="toc6">6.</A> <A HREF="scancodes-6.html">NCD keyboards</A></H2>
 100
 101 <UL>
 102 <LI><A HREF="scancodes-6.html#ss6.1">6.1 A Japanese keyboard using e0 as ordinary scancode</A>
 103 <LI><A HREF="scancodes-6.html#ss6.2">6.2 The NCD N-123NA keyboard</A>
 104 <LI><A HREF="scancodes-6.html#ss6.3">6.3 The NCD N-123UX keyboard</A>
 105 <LI><A HREF="scancodes-6.html#ss6.4">6.4 The NCD N-97 keyboard</A>
 106 <LI><A HREF="scancodes-6.html#ss6.5">6.5 NCD X terminals</A>
 107 </UL>
 108 <P>
 109 <H2><A NAME="toc7">7.</A> <A HREF="scancodes-7.html">Japanese keyboards</A></H2>
 110
 111 <UL>
 112 <LI><A HREF="scancodes-7.html#ss7.1">7.1 Japanese 86/106 keyboards</A>
 113 <LI><A HREF="scancodes-7.html#ss7.2">7.2 Description of the all-Japanese keys</A>
 114 <LI><A HREF="scancodes-7.html#ss7.3">7.3 A Japanese keyboard that imitates a US one</A>
 115 </UL>
 116 <P>
 117 <H2><A NAME="toc8">8.</A> <A HREF="scancodes-8.html">Korean keyboards</A></H2>
 118
 119 <UL>
 120 <LI><A HREF="scancodes-8.html#ss8.1">8.1 An A4tech keyboard</A>
 121 <LI><A HREF="scancodes-8.html#ss8.2">8.2 The DEC LK201-K</A>
 122 </UL>
 123 <P>
 124 <H2><A NAME="toc9">9.</A> <A HREF="scancodes-9.html">Keyboard-internal scancodes</A></H2>
 125
 126 <UL>
 127 <LI><A HREF="scancodes-9.html#ss9.1">9.1 Three scancode sets</A>
 128 <LI><A HREF="scancodes-9.html#ss9.2">9.2 Make and Break codes</A>
 129 <LI><A HREF="scancodes-9.html#ss9.3">9.3 Translation</A>
 130 <LI><A HREF="scancodes-9.html#ss9.4">9.4 Correspondence</A>
 131 <LI><A HREF="scancodes-9.html#ss9.5">9.5 Use</A>
 132 <LI><A HREF="scancodes-9.html#ss9.6">9.6 A table</A>
 133 <LI><A HREF="scancodes-9.html#ss9.7">9.7 Vendor extensions</A>
 134 </UL>
 135 <P>
 136 <H2><A NAME="toc10">10.</A> <A HREF="scancodes-10.html">The AT keyboard controller</A></H2>
 137
 138 <UL>
 139 <LI><A HREF="scancodes-10.html#ss10.1">10.1 The keyboard controller status register</A>
 140 <LI><A HREF="scancodes-10.html#ss10.2">10.2 The keyboard controller command byte</A>
 141 <LI><A HREF="scancodes-10.html#ss10.3">10.3 Keyboard controller commands</A>
 142 <LI><A HREF="scancodes-10.html#ss10.4">10.4 The input port P1</A>
 143 <LI><A HREF="scancodes-10.html#ss10.5">10.5 The output port P2</A>
 144 <LI><A HREF="scancodes-10.html#ss10.6">10.6 The test port T</A>
 145 </UL>
 146 <P>
 147 <H2><A NAME="toc11">11.</A> <A HREF="scancodes-11.html">Keyboard commands</A></H2>
 148
 149 <UL>
 150 <LI><A HREF="scancodes-11.html#ss11.1">11.1 Keyboard command details</A>
 151 </UL>
 152 <P>
 153 <H2><A NAME="toc12">12.</A> <A HREF="scancodes-12.html">The PS/2 Mouse</A></H2>
 154
 155 <UL>
 156 <LI><A HREF="scancodes-12.html#ss12.1">12.1 Modes</A>
 157 <LI><A HREF="scancodes-12.html#ss12.2">12.2 Scaling</A>
 158 <LI><A HREF="scancodes-12.html#ss12.3">12.3 PS/2 mouse protocol</A>
 159 <LI><A HREF="scancodes-12.html#ss12.4">12.4 Mouse Commands</A>
 160 <LI><A HREF="scancodes-12.html#ss12.5">12.5 Sliced parameters</A>
 161 <LI><A HREF="scancodes-12.html#ss12.6">12.6 Synaptics Touchpad</A>
 162 <LI><A HREF="scancodes-12.html#ss12.7">12.7 Vendor extensions</A>
 163 </UL>
 164 <P>
 165 <H2><A NAME="toc13">13.</A> <A HREF="scancodes-13.html">USB</A></H2>
 166
 167 <P>
 168 <H2><A NAME="toc14">14.</A> <A HREF="scancodes-14.html">Reporting</A></H2>
 169
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