APPENDIX D - CONNECTORS
CN8 Keyboard Header/Connector
Pin | Signal |
1 | KBCLK |
2 | KBDATA |
3 | N/C |
4 | GND |
5 | +5VDC |
CN18 Keyboard/Mouse Connector (PS2 type)
Pin | Signal |
1 | KBDATA |
2 | MDATA |
3 | GND |
4 | +5VDC |
5 | KBCLOCK |
6 | MCLK |
CN7 Keylock Header/Connector
Pin | Signal Name | Description |
2 | LED POWER (+) | Connect to anode of power LED |
4 | N/C (Key) | N/C (Key) |
6 | GND | Connect to cathode of power LED |
8 | KB LOCK/ | Connect to ground to inhibit keyboard |
10 | GND | Ground |
CN2 Floppy Disk Port Connector
Pin | Signal Name |
2 | RPMLC |
4 | Not Used |
6 | Not Used |
8 | INDEX/ |
10 | MOTOR0/ |
12 | DRIVE SELECT1/ |
14 | DRIVE SELECT0/ |
16 | MOTOR1/ |
18 | DIRECTION |
20 | STEP/ |
22 | WRITE DATA/ |
24 | WRITE GATE/ |
26 | TRACK0/ |
28 | WRITE PROTECT/ |
30 | READ DATA/ |
32 | HEAD SELECT/ |
34 | DISK CHANGE/ |
All odd numbered pins are GND
14
