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10.5: Install on a PPC Mac from an external USB Drive
Authored by: PowerB00k on Nov 28, '10 10:04:11AM

This saved my day!! I have a late-model 1.67GHz Powerbook which was ruined beyond Disk Utility's reach, due to a frozen OS update that forced me to power down. I have no Firewire drives, Time Machine backup, blank DVDs, etc. All I had was a Leopard DMG sitting on my windows box and a 8GB USB drive laying around. I was successfully able to use this method to restore my computer and sanity!

Here are some tidbits from my experience:
-The USB had to be formatted as MACOS Extended, not Journaled. Otherwise, I only had 6.4GB usable space for a 6.7GB DMG file.
-The restore step took about 20min for me, as did the OS installation (trimmed of language and printer driver options)
-For me, the location of the bootable USB was /pci@f2000000/usb@15,1/disk@1. I mention this because the ",1" was easy to miss on my machine and was needed.
-The BootX location provided in this post was spot-on for my 10.5.6 image.

I can't thank you enough for the time and hassle you saved me! Also, it was fun using OF mode for the second time.

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