> -----Original Message----- > From: g4-bounces at listserver.themacintoshguy.com > [mailto:g4-bounces at listserver.themacintoshguy.com] On Behalf > Of Al Poulin > > Also, the Leopard installer, as I understand it, checks some > Apple data buried in the machine which identifies the > original CPU in that machine. Even with an upgraded CPU, the > installer will balk at the > data about the original CPU and refuse to install. Perhaps > folks have > found a hack or two around this impediment. You'd have to > find out and use it. A recent email from OWC said specifically that Leopard installs fine on G4 systems with upgraded CPUs. I'll let the list know if I try it myself. Actually, my original CPU was/is a 933MHz G4, which Leopard supports, so I guess that wouldn't tell you anything. -- Rich