HP ProLiant ML310 G5 Server - Manual (Page 36)

Hardware options installation 36
c. Close the upper and lower wire retainers.
7. Install the retaining screw.
IMPORTANT: When installing a SCSI tape drive, an optional SCSI HBA controller is required.
8. Install a SCSI controller (" Installing expansion boards " on page 40 ).
9. Connect the power cable to the rear of the drive.