I'm running OS X, although upgrading the CPU required updating the Boot ROM to the latest version (4.2.8f1), which had to be done under OS 9. Eric Lars-Gunnar Larson wrote: >> ----- Original Message ----- >> From: "Eric Smith" <eric-s-smith at comcast.net> >> To: "A place to discuss Apple's G4 computers." <g4 at listserver.themacintoshguy.com> >> Subject: Re: [G4] Sonnet G4 upgrade >> Date: Sun, 20 Apr 2008 13:02:08 -0700 >> >> >> I upgraded my Sawtooth with a Sonnet 1.0 GHz G4 with no problems at all. >> Even though it's not a 1.8, the L3 cache makes it much snappier than >> the original 400 MHz CPU. >> >> Eric >> > Did you use OS9.2 for the update or OSX? > Lars-Gunnar > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4 >