tmk
10 years ago
2 changed files with 63 additions and 27 deletions
+ 17
- 2
converter/ibm4704_usb/README.md
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| @@ -5,8 +5,23 @@ This firmware converts IBM 4704 keyboard protocol to USB HID. | |||
| Keyboard initialization process takes a few seconds at start up. During that you will hear buzzer from the keyboard. **You need to plug USB cable after hooking up your keyboard to the converter.** | |||
| 4704 Connector | |||
| -------------- | |||
| Keyboard models | |||
| --------------- | |||
| IBM capacitive switch models: | |||
| 6019273 Model 100 50-key (grid layout) http://kishy.dyndns.org/?p=977 | |||
| 6019284 Model 200 62-key Alpha(60% layout) http://kishy.dyndns.org/?p=894 | |||
| 6019303 Model 300 77-key Expanded Alpha http://kbtalking.cool3c.com/article/23272 | |||
| 6020218 Model 400 107-key Full key http://kishy.dyndns.org/?p=980 | |||
| 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 | |||
| Connector | |||
| --------- | |||
| Keyboard Plug from front: | |||
| DSUB-9 | |||
+ 46
- 25
converter/ibm4704_usb/ibm4704.txt
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| @@ -1,10 +1,16 @@ | |||
| 4704 Keyboard | |||
| ============= | |||
| Keyboard Models: | |||
| Model 100 6019273 50-key (grid layout) | |||
| Model 200 6019284 62-key Alpha(60% layout) | |||
| Model 300 6019303 77-key Expanded Alpha | |||
| Model 400 6020218 107-key Full key | |||
| IBM 4704 Keyboard | |||
| ================= | |||
| IBM capacitive switch models: | |||
| 6019273 Model 100 50-key (grid layout) http://kishy.dyndns.org/?p=977 | |||
| 6019284 Model 200 62-key Alpha(60% layout) http://kishy.dyndns.org/?p=894 | |||
| 6019303 Model 300 77-key Expanded Alpha http://kbtalking.cool3c.com/article/23272 | |||
| 6020218 Model 400 107-key Full key http://kishy.dyndns.org/?p=980 | |||
| 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 | |||
| -------- | |||
| @@ -16,11 +22,19 @@ http://ed-thelen.org/comp-hist/IBM-ProdAnn/4700.pdf | |||
| 4704 Keyboard Protocol | |||
| ====================== | |||
| On powering up the keyboard sends keyboard id; A3h for 6019284(62-key), for example. | |||
| After that firmware 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). | |||
| 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 ?? | |||
| Japanese/Chinese 102-key A6h | |||
| Connector | |||
| @@ -113,27 +127,34 @@ NOTE: When break code is enabled the key sends scancode with setting 7th bit on | |||
| and without it on release. That is, '`' sends 80h on press and 00h on release. | |||
| keyboard command | |||
| Keyboard command | |||
| ---------------- | |||
| FF Soft Reset(0008h) | |||
| FE Resend(00e8h) | |||
| FD Buzzer stop?(00edh) | |||
| FC Set Key flag(00f6h) | |||
| FB Soft Reset(0008h) | |||
| FA Reset(0000h) | |||
| 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 | |||
| ----------------- | |||
| FF Not exist. [Outgoing buffer cannot have FFh(00h in fact)] | |||
| FE Overflow(key event/receive data) at 00c5h, 0346h | |||
| FE Memory test error at 0224h | |||
| FD Command out of bound at 00d8h | |||
| 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 at 00bch | |||
| 7E Read/Parity error in receive from host 00bch | |||
| Set Key flag command(FC) | |||
| 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'. | |||
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