Gateway 7400 System Manual page 53

Installing a SCSI drive in the server
You do not need to configure individual drives before you install them in the
server.
To install a SCSI drive in the server:
1
Remove the empty drive carrier as described in "Removing an empty
drive carrier" on page 43.
2
Remove the four screws that secure the support bracket and front
assembly to the rails.
45
Drives