-1. Connect Vcc and GND.
-2. Connect Clock and Data line.
- - Clock is on PD1 and Data on PD2.
-3. Optionally you need pull-up register. 1KOhm is OK?
+Update
+------
+- 2016/09/30 Unimap editor support
+- 2015/09/07 Added keymap for Alps 102-key. Thanks, tai @ geekhack!
+- 2015/05/05 Added keymaps for 107-key, 77-key and 50-key. Thanks, orihalcon @ geekhack!
+- 2015/05/19 Fixed a protocol handling bug.
+
+
+
+Supported 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
+
+
+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.