Parts/Test Point Locations 107
Power Supply Connectors and Voltages
Refer to the following figures wh en checking for
voltages on power supply cable connectors.
When checking voltages, the power supply fan must
be running. To power-on the power supply without
using the on/off switch, use a screwdriver or other tool
to short the connector CN 3 (pin13-14) (with the
switch cable disconnected from the connector on the
system board), or use a connection (jumper) to short
the black and green wires of the 20-pin connector on
power supply..
20-pin Power Connector
Pin-hole side view Cable side view
Power Supply Output Pin Assignment
Pin Voltage Cable Color
1 +3.3Vdc Orange
2 +3.3Vdc Orange
3Ground Black
4+5Vdc Red
5Ground Black
6+5Vdc Red
7Ground Black
8 Power Good Gray
9+5Vdc Purple
10 +12Vdc Yellow
11 +3.3V dc Oran ge
12 -12Vdc Blue
13 Ground Black