Ok I Installed OS X 10.5 from a PPC G4 mac to an external HD. When i formatted the drive i use the Apple Partition Map, which Disk Utility say it need to be use for start up of a PPC mac. The problem is that once i finish installing OS X the mac won't start and the installer gives me a problem saying that i cannot start the mac from this disk. The weird thing is that if i connect that external Hd to my intel MacBook, i can start it up with no problem even if from disk utility i can see that the disk is formatted for PPC and not Intel. What can i do to solve my problme? I need this external disk to boot on a PPC mac not on my Intel Mac.