IBM SBC-658 manual KB Data MS Data GND

Keyboard and PS/2 mouse connector (CN15) (Mini-DIN 6 pins)

Pin Signal

1KB DATA

2MS DATA

3GND

4Vcc

5KB CLOCK

6MS CLOCK

Internal keyboard connector (CN3)

Pin Signal

1KB_CLOCK

2KB_DATA

3NC

4GND

5Vcc

28 SBC-658 User Manual