I do believe the logic board on my imac g5 is toast, so my question is...i have a powermac g4 sitting around that works perfectly, can i take the necessary parts out of my imac and upgrade/ Frankenstein the powermac g4?????
iMac
If it is a fast enough G4, it should be able to run the applications and read the data on the hard drive. Sonnet made a PCI-SATA hard drive board that you can use on your G4 to connect the hard drive.
As for booting the G5's SATA hard drive, that is hairy at best. It may work, then again may not.
The RAM will not work.
The optical drive may work, though because it is a slot loading mechanism the power may not be right.
Before you give up on the G5's power supply, see if there are leaking capacitors, or if the PRAM battery needs replacing. The capacitors being bad, I would not use it, but the PRAM battery can often fix a seemingly dead machine.
No leaking capacitors , when i open the back to reset the SMU all led lights , light up accordingly , i put the back back on and held power button while i plugged it in then powered on with command, option, p+r waited for three chimes then started with command, option o+f to reset nvram and reset all powered back on and display is still pixelated and stuck at apple logo screen. I have ran diskwarrior found no problems , i ran the aht and found no problems , just a kernal panic. I'm lost as to what to do i would love to have my g5 up and running again but its looking awful.
That's typically a bad RAM issue. Be sure to exchange it for RAM from http://www.macsales.com/ or http://www.crucial.com/ specific to your age iMac G5.
Did you try booting off of your startup disc?
The startup manager will list all of your bootable partitions then give you a choice of which to boot. Hold down the option key then power on. This brings up the startup manager. Click on your dvd. Click on right arrow key.
imac g5 logic board failure questions
