HP ProLiant DL580 Generation 3 User Manual page 75

NOTE: If two optical drives are installed in the server, the server
will first attempt to boot from the primary optical drive. The boot device
selector switch setting determines which drive is the primary optical
drive.
2. Use the T-15 Torx screwdriver to eject the drive blank, and pull the drive
blank out of the server.
NOTE: The T-15 Torx screwdriver is shipped with the server and
can be located on the rear panel ("Rear panel components" on page
16).
3. Install the media drive into the server.
Hardware options installation 75