Apple Setting Up Your Power Macintosh G4 (PCI & AGP) - Manual (Page 45)

Working Inside the Computer 45
6 To replace the carrier and drive, align the tabs on the rear of the carrier with the slots in the
computer chassis and slide the carrier in.
7 Reinsert the low-profile attachment screw in each carrier you replace.
Use the screw you removed in step 3.
Slide the hard disk drive into the
computer at an angle, and lower
it into position. Make sure the
two tabs on the underside of the
drive carrier engage the slots on
the floor of the computer.
Install the
attachment screw
to secure the drive carrier.
If you are installing hard
disk drives in drive positions
1 and 2, you must install the
drive in position 1 before you
install the drive in position 2.