How can I check if the power supply is broken.
How can I check if the power supply is broken.
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About 2 years ago, I found a way to test a G4 MDD's power supply, what you need to do, is make sure it is plugged in, and connected to the motherboard. Using a volt meter and a paperclip, check the connection between pin 14, and any ground (Pin 13 for example) by probing into the top of the connector. If it works, you should get +5 volts. you can use this photo for reference of the PMG5's pinout.
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Pin 1 and any ground may also work
+ put the black lead of the multimeter in pin #1 and the red in #23. You should get +5 V
Between you and Nic i tested mine, tells me my PS is good, now to figure out what else the issue is...
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I Have A Power Mac G5 (A1047) With Dual Prosessors and what i had to do was connect the 12V (Pin 23) to the Power On (Pin 14) and spun the fans perfectly. Try that as well.
--Nic
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Just did that, I have the model that the orig post mentions and was trying to figure which ports as 13 is empty. The image that chris posted was helpful as well!
