README

Keyboard converter for IBM terminal keyboard
============================================
It supports PS/2 Scan Code Set 3 and runs on USB AVR chips such like PJRC Teensy.
I tested the converter on ATMega32U4 with 1392595(102keys) and 6110345(122keys).

Source code: https://github.com/tmk/tmk_keyboard
Article: http://geekhack.org/index.php?topic=27272.0


CONNECTION
----------
Keyboard    ATMega32U4
----------------------
Data:       PD0
Clock:      PD1

And VCC and GND, of course. See RESOURCE for keyboard connector pin assign.
Use 1K ohm pull-up resisters on the signal lines.


BUILD
-----
$ git clone https://github.com/tmk/tmk_keyboard.git
$ cd converter/terminal_usb
$ make 


RESOURCE
--------
Soarer's Converter: http://geekhack.org/index.php?topic=17458.0
KbdBabel: http://www.kbdbabel.org/
RJ45 Connector: http://www.kbdbabel.org/conn/kbd_connector_ibmterm.png
DIN Connector: http://www.kbdbabel.org/conn/kbd_connector_ibm3179_318x_319x.png


Terminal keyboards
------------------
122-key
    1390876 http://www.seasip.info/VintagePC/ibm_1390876.html
    6110344 http://www.seasip.info/VintagePC/ibm_6110344.html

102-key
    1392595 https://deskthority.net/viewtopic.php?t=8371 https://geekhack.org/index.php?topic=10737.0
    1386303 https://geekhack.org/index.php?topic=66959.0
    1391406 http://www.seasip.info/VintagePC/ibm_1391406.html


EOF