User`s guide

8. Position the drive in the bay so the components face down
and the ribbon and power sockets face outward. Align each
plastic slide rail with the guide rails inside the bay you plan
to use; then slide the drive into the bay until the slide rails
lock in place, as shown below.
guide rail
V
slide rail
ribbon and power
cable sockets
\
9. Repeat steps 4 through 8 to install any other SCSI drives in
the lower drive bays.
If you installed four or fewer drives, go to the next section.
If you need to install a fifth or sixth SCSI drive in the upper
internal bays, follow the instructions on page 7-9 to remove the
IDE drive bay assembly. Then return to page 7-22 for
instructions on connecting the ribbon and power cables to your
drive(s).
Installing and Removing Disk Drives
7-21