----------  Original message  ----------
Subject: Re: HD problem on my PowerMac G3
Date:    Friday, 09. March 2012
From:    Valter Prahlad <[email protected]>
To:      [email protected]
> Il giorno 9-03-2012 7:12, Eleni ha scritto:
> > Keyboard is USB and mouse connected to keyboard, all work ok.
> > I also have an ADB keyboard and mouse if needed.
> 
> Ah, that's likely the problem: USB ports aren't standard on a PM G3, so
> they are enabled by system extensions AFTER the boot process. :-)
> That's why you G3 doesn't respond to the "C" key for booting from CD.
> 
> Try using the ADB keyboard and see if that solves the booting issue.

On my Power Mac G3 B&W the keyboard is also connected on one of the two 
internal USB-1.1 ports.

Obviously it doesn’t work when connected to a USB port of a PCI expansion 
card, like any USB-2.0 PCI expansion card.

With the internal USB 1.1, at least, holding Cmd-Opt-O-F works to go into Open 
Firmware. I also noticed that it wasn’t possible to boot holding the “C” key, 
but I’m now unsure if this was always the case or if I fixed that. ???

Anyway, if you can get into Open Firmware, then your keyboard works. From 
there you can boot from any optical media if you type:

        boot cd:
or (if that doesn’t work):
        boot cd:,\\:tbxi

(See also 
http://urchin.earth.li/~twic/Running_Apple_Hardware_Test_When_Your_Hard_Drive_is_Freaky_Screwed.html)

>From http://support.apple.com/kb/HT2179: You can also eject a disc (on later 
Power Macs without a physical eject button for the drive) if you type:

        eject cd

Then you can put in another one and close the drive by just pushing it in.


The “boot cd:” thing in Open Firmware should do the trick if holding “C” does 
not work as expected.

It’s also noteworthy that the G3 B&W does not support the boot menu when 
holding down the Option key.


Cheers,
Andreas  aka  Mac User #330250

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