Kevin, Did you go in to Applications/Utilities/ and format the drive with the Disk Utility? You should do that first before trying to use the drive. Daniel J. Brieck Jr. On Jan 12, 2006, at 8:20 AM, BROADWAY33 at aol.com wrote: > Need help installing new Seagate ....Ultra ATA 120 Gig Hard > Drive...I installed as master hard drive in my G4 Mirror Door unit, > leaving the factory setting jumper at cable select mode... > > The G4 will not recognize the hard drive as a location to install OSX. > > It shows up in the list of items when I go to "about this > Mac"....it registers as a # 0 drive...whereas my 60 Gig HD with the > OSX system installed, registers as # 1 drive > > I tried installing ONLY the new drive with the OSX disk (with > jumper set at M ASTER mode)to no avail.......are there settings I > need to adjust to get this drive to register as a known location to > install OSX and use as my primary drive, with the 60 Gig being used > as the slave. > > Thank you all for your time. > > Kevin