Power Supply Connector; Keyboard And Mouse Connectors - NEC POWERMATE V Service Manual

A-6 Connector Pin Assignments

POWER SUPPLY CONNECTOR

Voltages from the power supply are input to the system board through the power supply
connector. Figure A-3 shows the connector pin locations and pin assignments.
12
+5
Figure A-3 Power Supply Connector Pin Assignments

KEYBOARD AND MOUSE CONNECTORS

The keyboard and mouse use standard PS/2 connectors. Pin assignments are given in
Table A-7.
Table A-7 Keyboard and Mouse Connector Pin Assignments
Pin
1
2
3
4
5
6
7
-5 GND
Keyboard Connector
Keyboard Data
N/C
GND
+5V, (fused)
Keyboard Clk
N/C
6
GND -12 +12 +5
Mouse Connector
Mouse Data
N/C
GND
+5V, (fused)
Mouse Clk
N/C
1
Power Good
Signal