IBM XT 5160

Connectors
The system board has the following additional connectors:
• Two power-supply connectors
(PI and P2)
• Speaker connector
(JI9)
• Keyboard connector (J22)
The pin assignments for the power-supply connectors,
PI and P2,
are as follows. The pins are numbered 1 through 6 from the rear
of the system.
Connector Pin Assignments
1
Power
Good
2
Key
P1
3
+12 Vdc
4
-12 Vdc
5
Ground
6
Ground
1
Ground
2
Ground
P2
3
-5 Vdc
4
+5 Vdc
5
+5 Vdc
6
+5 Vdc
Power Supply Connectors (P1, P2)
1-32 System Board