Dell PowerVault 770N (Deskside NAS Appliance) - Manual (Page 56)

Installing the RAID Controller Hardware Key
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of
the components inside the system. See your System Information Guide for complete information about
safety precautions, working inside the computer, and protecting against electrostatic discharge.
1. Push the ejectors on the RAID hardware key connector down and outward to allow the key to be inserted into the
connector (see Figure 4-23 ).
2. Insert the RAID hardware key into its connector on the system board and secure the key with the latches on each end
of the connector (see Figure 4-23 ).
3. Press on the hardware key with your thumbs while pulling up on the ejectors with your index fingers to lock the
hardware key into the connector.
Removing the Integrated RAID Battery
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of
the components inside the system. See your System Information Guide for complete information about
safety precautions, working inside the computer, and protecting against electrostatic discharge.
CAUTION: Replace the battery only with the same or equivalent type recommended by the manufacturer.
Discard used batteries according to the manufacturer's instructions. See the System Information Guide for
additional information.
NOTICE: To avoid possible data loss, back up all data on the hard drives before changing the mode of operation of the
integrated SCSI controller from SCSI to RAID.
1. Remove the bezel (see " Removing the Bezel ").
2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
3. Remove the cover (see " Removing the Cover ").
4. Disconnect the battery cable to the RAID battery cable connector on the system board.
See Figure 5-3 to locate the RAID battery cable connector on the system board.
5. Press on the battery release clip on the top of the battery in the chassis side wall, and then rotate the battery away
and out of its slot in the chassis wall (see Figure 4-24 ).