Dobrica Pavlinušić's random unstructured stuff
PS2: Revision 4
http://www.computer-engineering.org/ps2protocol/

| female socket | male plug |
| {image: ps2-female-socket.JPG} | {image: ps2-male-plug.JPG} |

6-pin Mini-DIN (PS/2):
1 - Data
2 - Not Implemented
3 - Ground
4 - Vcc (+5V)
5 - Clock
6 - Not Implemented