I've 10.2.8 and 10.3.9 on 2 drives in a G4. One always can install on a second drive. You installed from the install CD/DVD didn't you? You didn't copy? Paul Moortgat On 17 Mar 2006, at 17:58, Philip J Robar wrote: > > On Mar 17, 2006, at 4:50 AM, Mitchell Senft wrote: > >> Got a second HD for our G5. I wanted to install OS 10.4 on the new >> drive, using the disks that came with the G5. I was unable to do so. > > What was the failure? > > >> Obviously, there's something to prevent it from installing on a >> drive other than the original dive. > > I've never heard of such a limitation and I don't believe there is > one. > > > Phil