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[OS_XI]

I have a Mac OS 9.0 disc that my Power Mac won't boot off of. In Mactracker I see that my Power Mac came with Mac OS 9.0.4. I suspect that to be the problem. Would it be possible to roll the 9.0.4 update file I have into that disc? (I know that a CD is read-only, I'm suggesting to make an ISO, modify it, then burn the resulting file.)

[OS_XI]

Does anyone have any ideas on how to get this machine running OS 9?

[DieHard]

Your unit should boot to any universal 9.1 or 9.2.1 CD..

http://support.apple.com/kb/ht1835

You should not have any issues...

[OS_XI]

I'm asking this because I already have a Mac OS 9.0 CD, and I don't want to buy a 9.1 CD if I don't have to.

Would it be possible I install Mac OS 9 in Sheepshaver, then copy the (virtual) disk to the one in the Power Mac?

[DieHard]

As per the link I supplied the Power Mac G4 (Gigabit Ethernet) is reference to 9.0 reads

"These computers are supported by the version of Mac OS included with the computer when it was purchased; retail copies of Mac OS with the same (or earlier) version number may not include the system software components necessary to start up these models. These computers are also supported by all subsequent versions of Mac OS"

Meaning you will need and original image of the 9.0 OS that can with the gigabit Ethernet (try macintosh garden) or a subsequent universal (maybe 9.0.4, 9.1, 9.2.1)

I will glance thru my old restore CDs for you, but I can't remember what I have)

[supernova777]

for anyone else in this situation i suggest the following method

install tiger or panther first
partitioning your disk in 2 alotting the appropriate size to each os
install osx in the first partition
boot into osx and download os9general.zip from our help forum
http://macos9lives.com/smforum/index.php?topic=305.0

(this image includes all drivers pretty much for ati or nvidia etc)
expand this .zip file to reveal the dmg disk image
using disk utility in osx restore this dmg to the other partition
reserved for os9
change system startup to the os9 partition in system prefs
reboot into os9.2.2!