On 1/22/08 5:48 PM, "Jeff Carruthers" <jeff at carruthers.com> wrote: > Check the help menu to be sure you are invoking Target Disk Mode correctly. > (You would leave the G5 on, shut down the G4, connect the two computers > with a firewire cable, then start up the G4 while holding down the T key; > this will then allow the G5 to see the G4 as an attached drive.) Doing all that... > Don't think you can put the G4 hd into the G5 -- I believe the G5 uses > serial ATA drives, whereas the G4 towers uses ATA drives. And that is correct. Jim Robertson --