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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

iMac - OSX Tiger on old G3 iMac?...

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pod's Avatar
Member Since: Dec 12, 2004
Posts: 235
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My gf has an old G3 iMac: 600mhz, 512MB RAM, 40GBHD currently running OS 9.2.2... can I install OSX 10.4.2 Tiger on it from the discs that came with my G4 iBook?... or will it just be too much for the G3 and cause 'meltdown'?! Thanks
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Member Since: Jun 27, 2005
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I think that you just must upgrade the firmware, ( and buy a new copy of tiger. the ibook g4 disks will mess up the g3 because they are the wrong type of disks

Mac Pro (Early 2009) 8 Core 2.26 GHz, 6 GB Ram, 640 GB Drive. Dell 2408WFP.
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Member Since: Apr 20, 2006
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OS X Tiger will work fine, but I suspect the iBook CD won't work. You need the non Mac specific OS X CD.

And update the firmware first.
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