>
> OK, I have a G4 and a new used main board. The firmware on it is 4.18
> and I need to update it to 4.28 or what ever the latest is. I have
> formatted one of my hard drives to 9.2.1 so I can do this. However the
> power button does not work. According to the directions I need to use
> this button during the process. I have asked several times, where does
> the power button store the settings? I have used the apple tech bulletin
> many times to reset the power button to no effect. I ask again, is my
> power supply the problem? I have tried 3 new batteries as well.
> Thanks
So which G4 is it ? Some like my Sawtooth and DA have the programmers buttons
on the front - later G4s like my MDD don't.
http://docs.info.apple.com/article.html?artnum=120068
I've updated firmware on quite a few older G4s and using the directions
provided and the correct firmware version have always been able to make it work.
You don't use the power button for this - only to turn the machine back on, but
you must use the programmers button at the same time.
This flashes the motherboard and I presume the onboard Rom chip that stores
settings like this.
You are booting from OS9 on one of your internal HDs aren't you to do this?
Stewie
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