Dell PowerVault 775N (Rackmount NAS Appliance) - Manual (Page 72)

9. Connect the battery cable to the RAID battery cable connector on the system board.
See Figure A-3 to locate the RAID battery cable connector on the system board.
10. Hook the retention tab on the bottom of the battery into the slot in the chassis side wall, and then snap the battery
release clip into place (see Figure 7-5 ).
Figure 7-5. Removing and Installing the RAID Battery
11. Replace the cover (see " Replacing the Cover " in "Troubleshooting Your System").
12. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
13. Enter the System Setup program and verify that the setting for the SCSI controller has changed to reflect the presence
of the RAID hardware (see "Using the System Setup Program" in your User's Guide).
14. Install the RAID software.
See the RAID controller documentation for more information.