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I’ve got a Macintosh HD20 that doesn’t work, anytime I try to initialize the drive it fails, so I’m assuming the drive is bad. I’m pretty sure they use some special kind of hard drives but not sure exactly what. Anyone know what they use and if there are any alternatives to use or adapters...

I left a sensor unplugged so now it calibrates fine

Hi, I recently resur my G5 by reflowing the U3 memory controller on the logic board and it’s working again. I tried calibrating the fans using ASD 2.5.7 on my June 2004 G5. But I get errors for both cpus about this inlet temperature sensor which I’m not sure what that is. I had the plastic door...

Before the power LED would turn on for a second and the fans and then turn off. After the recap it does nothing now. I checked some of the mosfets and all the pins are shorted so that’s probably why.

I've been trying to repair my G4 MDD power supply for awhile now and not sure what exactly to replace on it. I've replaced all the caps except for the 3 big 450v ones. I know that the mosfets also should probably be replaced (presumably the ones on the heat sinks). Not sure if anything else...

The cap leakage seemed to be minimal. There was no battery bomb. I will take a look for broken traces around the ROM maybe. I did try a ROM simm from my se/30 and jumped the pins to use the rom simm but there was no change. However I did not both the 12v line and 5v line were a little low.

I’ve got this iisi that displays a yellow screen on boot up with no chime or anything else. I’ve recapped the power supply and the logic board. I’ve removed all the ram and this is the board with the rom on the board. I’m not sure where to go from here. Any ideas?