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Ara1700 said:
i do have PowerMac G5 can i use that install Tiger OS X on my G4?
You should be able to.
Boot your G4 in target mode and connect it via firewire to your G5. Put the DVD in your G5 and boot into the Tiger installer. Install Tiger, but Make sure you select the G4's hard drive or you will loose your data on the G5 When finished, you should be able to boot the G4 into tiger.
 
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