Getting back into OS9 from corrupt Terminal?

texanpenguin

Registered Penguin
My father recently bought a second-series (slot-loading) iMac, for an absolute steal, with MacOS 9.1 and Mac OS X 10.0 preinstalled, with OS9 set as the default system disk.

All was going well in OS9, working like an absolute charm.

Until Dad decided he'd like to see how OSX would run.

He went to Startup disk and selected the "System" folder, just as he should have, and when he restarted, the mac booted into a Unix terminal telling him:

/etc/master.passwd: Is a directory
#
#kmod_destroy: com.apple.driver.AppleMacRISC2PE (id 17), deallocating 8 pages starting at 0x9b17000
#kmod_destroy: com.apple.iokit.AppleMediaBay (id 27), deallocating 4 pages starting at 0x9d9b000


Fine, I thought, so that copy of OSX seems to be corrupt, I can live with that.

The only OS disk he has is OSX 10.2, so I told him to put it into the computer and boot from the CD.

His iMac spewed the CD back out at him.

I told him to try again. This happened at least four times.

As an experiment, I told him to try putting in Disk three, which is the developer's tools CD.

This one stayed in, fine, but it's not bootable, so he couldn't run Disk Utility.

He doesn't have an external CD-drive that plugs into FW or USB, only SCSI.

He's happy enough to lose all data if need be, as it's all sufficiently backed up.


So my desperate question is, is there a simple way to get it working again? Or even to just boot into OS9 and pretend OSX doesn't exist?

Anything! Just a way to make his perfectly good iMac run Mac OS again.


At our disposal we have:
- One PowerBook G3 Wallstreet, no USB, with Firewire PCMCIA card, SCSI etc, etc.
- One crossover Ethernet cable
- A valid copy of Jaguar, and, possibly, disks for OS8.6, 7.5 and 7.0
- An iMation Superdisk drive

Any ideas, clever folks?
 
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