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10.5: Create a single Intel+PowerPC diagnostic drive
Authored by: bulge on Oct 31, '07 02:29:59PM

Yeah sorry bra,

Not quite right, 3x votes against this.

APM partitions will boot both intel and PPC macs, GUID is bootable on intel only. The installer in 10.4 and 10.5 have a constraint applied to stop intel macs from installing on APM drives. I am sure Intel machines on APM is unsupported, but that doesn't necessarily mean it doesn't work.

The only thing you need to do in order to make a universal booting external drive is get your 10.5 install onto an APM external drive. Do this by installing from a PPC machine (hence no Installer constraint) or CCCing from a GUID drive to an APM external on an intel.

I have built a 10.4.8 universal system with radmind, put it on a partition on an APM external firewire and intel / PPC machines boot happily from it.

I do agree that cloning your install DVD on to an external HD is good way to go if you are loading a bunch of machines... super fast!



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10.5: Create a single Intel+PowerPC diagnostic drive
Authored by: bulge on Oct 31, '07 02:32:55PM

*except of course for the 'new' intels, as above :)



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10.5: Create a single Intel+PowerPC diagnostic drive
Authored by: poenn on Nov 04, '07 11:58:03AM

Hi everyone,

I just tried it myself. I partitioned an external FW HD using APM with 2 partitions. I then cloned the 10.5 Install DVD onto the first partition and the 10.5 Server Install DVD onto the second. My MBP 2.4 GHz can boot from both partitions without problems and presents the Installer screen and my old PPC Mac too.

Does the "2.4GHz forced GUID" only apply to installed systems? It seems to me that I STILL can create one APM drive for both architectures?!

Thanks
poenn



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