IBM Aptiva 2174, Hardware Maintenance Service

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Parts/Test Point Locations 109
Power Supply Connectors and Voltages
Refer to the following figures when 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 J22 for 2174 (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.
Pin-hole side view Cable side view
Power Supply Output Pin Assignment
Pin Voltage Cable Color
1 +3.3Vdc Orange
2 +3.3Vdc Orange
3 Ground Black
4 +5Vdc Red
5 Ground Black
6 +5Vdc Red
7 Ground Black
8 Power Good Gray
9 +5Vdc Purple
10 +12Vdc Yellow
11 +3.3Vdc Orange