For a "project" I'm working on I'd like to install a copy of Mac OS onto my external FireWire HDD, and boot from it. I've done the first step, installing Mac OS, numerous times. I've tried Mac OS 9 (and yes, it has the Mac OS 9 drivers), 10.1, 10.3, and 10.5. On both my eMac and iMac G4. None of...