The ATX supply was a no name 430W model with 120mm top blowing fan I had sitting on the shelve. I replaced the original fans with NoiseBlocker 60 mm devices, which are providing enough airflow through the PSU case without nerve wrecking sound. The 2005 model has solid copper bars feeding sideways to the motherboard, so that was kind of cool to use as a opening for the harness, no major metal work to be done.
Taking out the original power supply PCB, placing an ATX PCB on 4 short M3 standoffs, fixing the compensation inductor to the base, extending the power inlet wiring, a little shrink tubing, keeping the Apple noise filter in place and opening just a little space in the isolation rubber profile to feed out the ATX harness out of the case pointing straight up to where the ATX board has the connector. Dual boot El Capitan/Win7 with Clover in EFI mode on single SSDĬonverting the PSU was pretty much straight forward.1 NoiseBlocker X1 80mm fan for the PCIe extension slot area.2 NoiseBlocker XR1 60mm fans for the PSU.Exsys EX 16450 firewire PCIe card (works OOB with El Capitan!).
This time I wanted to take it one more step to keep the looks inside as well as to the outside. In fact the unit was fully working, but compared to todays standards it was kind of slow, so with a little heartburn I took it down to the metal to start the work. By accident I got a hold of complete G5 “late 2005” on ebay for a bargain. Last weekend I finished up on my second conversion of a Power Mac G5 Case to accept a mATX motherboard. Building a CustoMac Hackintosh: Buyer's Guide
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