Specifications

Power Mac G5 Troubleshooting - 7
General Information
4. Remove the black plastic cap covering the 24-pin power supply cable connector (the
P1 or largest connector). The cap fits tightly over the connector. To remove it, rock the
cap gently forward and backward as you lift up.
Note: This is a top view of the connector when it is plugged into the logic board
5. Press the release latch on the power supply connector and disconnect the cable from
the logic board.
6. Plug a known good power cord into the computer. Do not turn on the computer.
7. On the power supply cable connector: connect the black lead of the volt meter to pin
23 and connect the red lead of the volt meter to pin 1.
Note: This is a bottom view of the connector when it is unplugged and facing up.
The volt meter should measure approximately +5V. If you do not get a reading of +5V,
recheck the volt meter connections and measure the voltage again. If the voltage is still
not present, replace the power supply.