Keyboard/Mouse and Serial Ports A&B
Keyboard/Mouse
Figure D–2 Keyboard/Mouse Connector
TABLE D–4 Keyboard/Mouse Connector Pin Assignments
PinFunction
I/
OLevel PinFunction I/O Level
1Ground OGND 5KeyBd Out O TTL
2Shield Shield 6KeyBd In I TTL
3+5 VDC OVCC 7PowerOn* I TTL
4Mouse In ITTL 8+5VDC O VCC
Serial Ports A&B
Figure D–3 Serial Port A & B Connectors
Signal Descriptions 191
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