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The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004. It was discontinued in 2006 as part of the Intel switch first to developers then consumers.

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Which Power Supplies Are Compatible?

Earlier today, I picked up a broken PowerMac G5 from a flea market. It's a dual 1.8Ghz model from June 2004. (A1047) The unit wouldn't turn on, so I figured that it had a dead power supply. I confirmed this later, by modifying an ATX (PC) power supply to run the computer. It boots up with the modified ATX PSU, so I'm planning on buying a replacement for the original. The original power supply is a 600W AcBel. I've seen a few different wattage power supplies on eBay, and want to know if I can use a 450W unit (Somewhat cheaper than a 600W) instead. Would this be possible, or would I need to buy a 600W PSU?

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You'll probably be alright unless you start loading it up with PCI cards and a lot of extra RAM. Hopefully you got the original system installations disks that have the fan syncing software (this is needed when changing any major component.

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I might have a set of disks laying around. if not, then I'll just buy a set. I'm probably just going to sell it, so I'll get it up and running.

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If your system has a 600W PSU then I suggest that's' what you need to replace it with.

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Chris Green will be eternally grateful.
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