John Sparks, Have you looked into the ATX power supply option? Maybe Alan could direct you to the pinouts and necessary changes. Dan On Jan 15, 2011, at 6:48 AM, Alan Kidner wrote: > Hi List Members > > I'm still on the list too! > > I climbed in a skip at work to rescue my Power Mac G4 (FW 800). I > enjoyed bringing it back to life! Its now fitted with a standard > ATX power supply, flashed GeForce 7800GS PC graphics card, internal > 250MB zip drive, and a striped RAID set on a Sonnet Tempo card. > > The machine runs sweetly most of the time but has two slight > glitches. 1) Occasionally in the summer the CPU temperature gets > a little high and the fan kicks in harder and gets a little noisy > for a while. 2) Screen flashes on boot-up for about two minutes > before settling down to work normally. I believe this is something > to do with the flashed graphics card (but it might also be because > its hooked up to a KVM switch). I have gone where angels fear to > tread and edited a couple of kext files (NVDAResman.kext and > NVDANV40Hal.kext) but this did not work. Any suggestions most > welcome. > > Best regards to all, Alan > (Leicestershire, England) > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4