Dell PowerEdge 2900 - Manual (Page 93)

Installing System Components
93
1x8 SAS Backplane Board
Removing the 1x8 SAS Backplane Board
CAUTION:
Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
1 Remove the front bezel, if attached. See "Removing the Bezel" on page 50.
2 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet
and peripherals.
3 Open the system. See "Opening the System" on page 53.
4 Disconnect the cables from the SAS controller daughter card on the expansion bay bracket and remove
the cables from the center fan bracket.
5 Remove the fans from the center fan bracket. See "Removing and Installing a Fan" on page 65.
6 Remove the center fan bracket. See "Removing the Center Fan Bracket" on page 81.
7 Disconnect all cables from the SAS backplane. See Figure 6-3.
8 Unlock and slide the hard drive(s) out of the system at least 5 cm (2 inches).
NOTICE:
If you completely remove the drives from the system, you must note the number of each drive and
temporarily label them before removal, so you can replace them in the same locations.
9 Remove the SAS backplane:
a Lift the spring-loaded blue retention pin to release the backplane and then slide the backplane
upward.
b When the backplane cannot slide upward any farther, pull the backplane toward the back of the
system to remove it from the retention hooks.
Installing the 1x8 SAS Backplane Board
1 Insert the backplane into the system behind the drive bays.
Ensure that all cables are out of the way when installing the new backplane.
2 Align the backplane with the retention hooks on the chassis, then fit the backplane onto the
retention hooks.
3 Slide the backplane downward until the blue retention pin snaps into place.
4 Reconnect all cables to the backplane, being very careful to install them in their original locations.
5 Reinsert the hard drives.
6 Reinstall the fans in the center fan bracket. See "Removing and Installing a Fan" on page 65.
7 Reinstall the center fan bracket. See "Replacing the Center Fan Bracket" on page 81.
8 Close the system. See "Closing the System" on page 53.