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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Replacing a G4's powersupply?


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Morgan19

 
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I've replaced plenty of PC power supplies, but this is the first time I've had to do it to a G4. Do they need a special kind of PSU, or will any old ATX unit work? I'm looking to order the parts from Newegg, so I need to know if a non-Mac-specific PSU would work.

m19
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Avalon

 
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No, unfortunatly, the power supply is, like most other parts, Mac-specific. A PC powersupply, doesn't have all needed voltages the Mac needs, and they also are physically different, it wouldn't even fit in the Macs case.
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Quote:
Originally Posted by Avalon
No, unfortunatly, the power supply is, like most other parts, Mac-specific. A PC powersupply, doesn't have all needed voltages the Mac needs, and they also are physically different, it wouldn't even fit in the Macs case.
Someone on another board said you can use other power supplies as long as they match the specs of the original powersupply. Though if the size is an issue, I suppose it'd have to be G4-specific.

(EDIT-) Eeek. I was looking around at G4-specific PSUs and didn't realize they'd be so expensive!

m19
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The PowerMac's power supply has one +25V contact...as far as I remember, neither AT nor ATX power supplies have a 25V power output.
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