On 02/20/07, "Celia Lawton-Livingstone" <lawli56 at hotmail.com> wrote: > > I've just been given what I believe is a G4 PowerMac, a later G4/400 > Sawtooth I think as reading through the specs it doesn't appear to have an > internal firewire port. The only one which doesn't. <snip> > I have no backup discs. Do you have the install disks that came with that machine orginally. If not, get them from whoever gave you the machine. The suggestions others have made are basically useless without have the proper installation and Apple Hardware Test disks for that machine. You might be able to install Panther or Tiger, but need the OS 9 disks and an installation to update the machine's firmware.