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Diffstat (limited to 'converter/ibm4704_usb/ibm4704.txt')
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diff --git a/converter/ibm4704_usb/ibm4704.txt b/converter/ibm4704_usb/ibm4704.txt deleted file mode 100644 index e2d42f08fd..0000000000 --- a/converter/ibm4704_usb/ibm4704.txt +++ /dev/null @@ -1,182 +0,0 @@ -IBM 4704 Keyboard -================= -IBM capacitive switch models: - 6019273 Model 100 50-key (grid layout) http://kishy.ca/?p=894 - 6019284 Model 200 62-key Alpha(60% layout) http://kishy.ca/?p=894 - 6019303 Model 300 77-key Expanded Alpha http://deskthority.net/photos-f62/ibm-6019303-t8502.html - 6020218 Model 400 107-key Full key http://kishy.ca/?p=894 - -Alps switch(vintage Green) models: - 5954339 Japanese 102-key http://deskthority.net/post87127.html#p87127 - 6112883 Japanese 102-key http://geekhack.org/index.php?topic=52888.msg1194489#msg1194489 - 6112884 Japanese 102-key http://geekhack.org/index.php?topic=50437.msg1193047#msg1193047 - 6341739 Chinese 102-key http://geekhack.org/index.php?topic=52888.msg1176566#msg1176566 - -Resourse --------- -The IBM 4704: lots of pictures and info -http://kishy.dyndns.org/?p=648#more-648 - -Brochure: -http://ed-thelen.org/comp-hist/IBM-ProdAnn/4700.pdf - - - -IBM 4704 Keyboard Protocol -========================== -On powering up keyboard sends keyboard ID; A3h for 6019284(62-key), for example. -After that the keyboard enters FC command mode and waits for parameter data from host -so that it doesn't send any scancode until you send 'FF'(End of FC command mode). - - Keyboard ID - ------------------------------- - Model 100 50-key A2h - Model 200 62-key A3h - Model 300 77-key A4h - Model 400 107-key A5h - Japanese/Chinese 102-key A6h - - -Connector ---------- - Keyboard Plug from front - - DSUB-9 - ------------- - \ N 2 3 4 5 / - \ N N N N / - --------- - 2 GND - 3 VCC 5V - 4 DATA - 5 CLOCK - N No connection/No pin. - - -Keyboard to Host ----------------- -Data bits are LSB first and Pairty is odd. Clock has around 60us high and 30us low part. - - ____ __ __ __ __ __ __ __ __ __ _______ - Clock \_____/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ - ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ - Data ____/ X____X____X____X____X____X____X____X____X____X________ - Start 0 1 2 3 4 5 6 7 P Stop - -Start bit: can be long as 300-350us. -Inhibit: Pull Data line down to inhibit keyboard to send. -Timing: Host reads bit while Clock is hi.(rising edge) -Stop bit: Keyboard pulls down Data line to lo after 9th clock. - - -Host to Keyboard ----------------- -Data bits are LSB first and Pairty is odd. Clock has around 60us high and 30us low part. - - ____ __ __ __ __ __ __ __ __ __ ________ - Clock \______/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ - ^ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ___ - Data ____|__/ X____X____X____X____X____X____X____X____X____X \___ - | Start 0 1 2 3 4 5 6 7 P Stop - Request by host - -Start bit: can be long as 300-350us. -Request: Host pulls Clock line down to request to send a command. -Timing: After Request keyboard pull up Data and down Clock line to low for start bit. - After request host release Clock line once Data line becomes hi. - Host wirtes a bit while Clock is hi and Keyboard reads while low. -Stop bit: Host releases or pulls up Data line to hi after 9th clock and waits for keybaord pull down the line to lo. - - -Scancodes ---------- -Keyboard doesn't send Break code for all keys except for Alt by default. - - 6019284 62-key: - ,-----------------------------------------------------------. - | `| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|???|BS | - |-----------------------------------------------------------| - |Tab | Q| W| E| R| T| Y| U| I| O| P| ￠| \| PD2| - |-----------------------------------------------------------| - |Ctrl | A| S| D| F| G| H| J| K| L| ;| '| {}| PD3| - |-----------------------------------------------------------| - |Shif| <>| Z| X| C| V| B| N| M| ,| ,| /|???|Shift | - |-----------------------------------------------------------| - |Reset|blk|Alt | Space |Alt |blk|Enter| - `-----------------------------------------------------------' - +----------+---------------------+----------+----------+ - |` 00|PD1 04|Caps 20|LShift 30|Reset 31| - |1 18|q 05|a 21|<> 3E|Rblank 41| - |2 19|w 06|s 22|z 32|Alt 3F| - |3 1A|e 13|d 23|x 33|Space 40| - |4 10|r 14|f 24|c 34|Alt 3F| - |5 11|t 15|g 25|v 35|Lblank 42| - |6 12|y 16|h 26|b 36|Enter 2F| - |7 08|u 17|j 27|n 37| | - |8 09|i 01|k 28|m 38| | - |9 0A|o 02|l 29|, 39| | - |0 0F|p 03|; 2A|. 3A| | - |- 1F|￠ 1B|' 2B|/ 3B| | - |= 0D|\ 1C|{} 2C|??? 3C| | - |??? 0C|PD2 1D|PD3 2D|RShift 3D| | - |BS 0E| | | | | - +----------+---------------------+----------+----------+ - Bit7 is 'press flag' which set 1 on press and 0 on release when break code is enabled. - -NOTE: When break code is enabled the key sends scancode with setting 7th bit on press -and without it on release. That is, '`' sends 80h on press and 00h on release. - - -Keyboard command ----------------- -Keyboard accepts these commands from host. - - Description Entry point - ----------------------------------------------------------- - FF Soft Reset 0008h - FE Resend 00e8h - FD Buzzer(emits a short beep) 00edh - FC Set Key Flag 00f6h - FB Soft Reset 0008h - FA Reset 0000h - - -Keyboard response ------------------ -Keyobard sends these bytes to host. - - Description Entry point - ----------------------------------------------------------- - FE Overflow(key event/receive data) 00c5h, 0346h - Memory test error 0224h - FD Command out of bound 00d8h - Key out of bound - 7E Read/Parity error in receive from host 00bch - - -Set Key Flag command(FC) ------------------------- -After 'Power on Reset' firmware enters this command mode and waits for data from host, -so that you don't need to send 'FC' and it doesn't send any scancode until you send 'FF'. - -Data sent from host: - - bit: 7 6 ... 0 - en | | - | `-----`--- scan code - `------------- enable bit(0: enable repeat, 1: enable break) - - 00-79 Enable repeat - 80-F9 Enable break(FA-FF are used as other commands, see above.) - FE Resend(011ah) no need to use - FF End(0114h) exits FC command mode. - -Response from keyboard: - FD Out of bound - Invalid scancode - -- OK - No response means that command is accepted. - -Examples: - To enable break code of all keys. - - FC 80 81 ... F7 FF - |