Connectors - IBM AT 5170 Technical Reference

Connectors
The system board has the following additional connectors:
•
Two power-supply connectors (PS8 and PS9)
~
•
Speaker connector (119)
•
Power LED and key lock connector (120)
•
Battery connector (121)
•
Keyboard connector (122)
The pin assignments for the power-supply connectors, PS8 and
PS9, are as follows. The pins are numbered 1 through 6 from the
rear of the system.
Connector Pin Assignments
1 Power Good
2 +5 Vdc
ps8
3
+12 Vdc
4
-12 Vdc
5
Ground
6
Ground
1 Ground
2 Ground
PS9
3
-5 Vdc
4
+5 Vdc
5
+5 Vdc
6
+5 Vdc
Power Supply Connectors IPsa, PSg)
System Board 1-71