I have a MDD 1Ghz dual and I'm using the Sonnet SATA controller and I can boot from either a 500Gb or a 750Gb drive. What is the rev. Of your Sonnet SATA controller? Cheers Harry San Jose Ca. Sent from my iPad On Dec 5, 2011, at 7:38 PM, "Mikey" <mikey1 at rcn.com> wrote: > I installed OSX on my G4 MDD with Dual 1ghz processor (apple) . Runs fine. > > I have a Sonnet SATA controller for the 500 gig Data Drive, but no matter what I tried, I could not get the machine to boot OFF the Sata drive....I have to keep the original 40 gig IDE drive in the machine with OSX as the boot drive. > This drives me crazy. > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4