Apple Power Mac G4 (Digital Audio) - Manual (Page 61)

Working Inside Your Computer 61
6 Replace the carrier and drive.
7 Reinsert the low-profile attachment screw you removed from the carrier in step 4.
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.