Installing System Components 103
SAS Backplane Board

Removing the 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
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Open the system. See "Opening the System" on page 54.
3
If applicable, disconnect the optical drive from the SAS backplane board. See "Removing the Optical
Drive" on page81.
4
If applicable, disconnect the diskette drive. See "Removing the Diskette Drive From the System" on
page83.
5
If applicable, disconnect the tape drive. See "Removing and Installing an Internal SCSI Tape Drive" on
page86.
6
Remove the hard drives. See "Removing a Hot-Plug Hard Drive" on page57.
NOTE: To properly reinstall the hard drives, ensure that you record which hard drive you remove from which
bay.
7
Disconnect the SAS cable(s) and control panel cable from the backplane connectors. See "SAS and
SAS RAID Controller Daughter Card Cabling Guidelines" on page72 and "Removing the Control
Panel Assembly" on page105.
8
If applicable, remove the storage controller daughter card. See "Removing a SAS Controller Daughter
Card" on page74.
9
Remove the cooling shroud. See "Removing the Cooling Shroud" on page 67.
10
Remove the fans. See "Removing a System Fan" on page65
11
Remove the fan bracket. See "Removing the Fan Bracket" on page68.
12
Remove the SAS backplane board:
a
Pull the SAS-backplane board release pin. See Figure3-34.
b
While pulling the release pin, tilt the backplane board toward the back of the system.
c
Lift the backplane board from its securing tabs and remove the backplane board from the chassis.
Book.book Page 103 Friday, February 3, 2006 11:09 AM