Mark Ray wrote:

For the past year and a half my B&W G3 mac has been running with the PowerLogix G4 ZIF running at (I believe) 500Mhz. Recently my hard drive crashed so I replaced the drive did an install of the OS X and now the computer will not go past the grey OSX screen with the big apple. (Occasionally the video on the screen is broken up by pixeled artifacts midway down running horizontally.)

The G4 ZIF was running at 500Mhz. If I change the settings to 550, or 600 I do not even get the start-up chime. BUT when I replace the original G3 350 zif in, it runs great.

Mark, you did not say if you overclocked the G4 ZIF or not. But, it sounds like it is now dead.


I occasionally got that pixeled artifacts window when my hard drive was failing. It sounds like you have tried a variety of things to get it going, but here is one more. Try resetting the NRAM.

#1 Boot up in Open Firmware (hold down the Command + Option + O + F keys)
#2 at the prompt type "reset-nvram" (without the quotes)
#3 at the next prompt type "reset-all" (without the quotes)


The system should reboot. If it does, I would immediately run Repair Permissions. After that, if all goes well, you should run something like Disk Warrior.

Nancy




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