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Three methods of disabling OS 9 booting
Authored by: JohnnyMnemonic on Feb 20, '03 12:12:39AM
Another way is to use the Open Firmware Password, which will dis-allow booting from any external device, in Firewire Target Disk mode, from the option-boot, etc.

However, I wonder if the author is telling us how Apple broke OS 9 booting on the newest machines--and thereby is providing a method to fix it? Did Apple simply leave the OS 9 drivers off of the HDs? Did they change the partition structure? Interesting...

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An interesting note...
Authored by: watson on Feb 20, '03 02:34:42PM

Just discovered that the HW diagnostics CD that came with my PB12 seems to be loosely based on OS9.
It has a System folder with Finder and a System file, but is lacking a macos rom file.
Hmmm... I wonder if it's possible to use that as a base...? :-)

Does anyone know how Apple prevents OS9 booting on the new machines? Firmware patch?

BR,
Henrik



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