Dell 2950 owner manual Removing the SAS Backplane Board, 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.

1Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

2Open the system. See "Opening the System" on page 54.

3If applicable, disconnect the optical drive from the SAS backplane board. See "Removing the Optical Drive" on page 81.

4If applicable, disconnect the diskette drive. See "Removing the Diskette Drive From the System" on page 83.

5If applicable, disconnect the tape drive. See "Removing and Installing an Internal SCSI Tape Drive" on page 86.

6Remove the hard drives. See "Removing a Hot-Plug Hard Drive" on page 57.

NOTE: To properly reinstall the hard drives, ensure that you record which hard drive you remove from which bay.

7Disconnect the SAS cable(s) and control panel cable from the backplane connectors. See "SAS and SAS RAID Controller Daughter Card Cabling Guidelines" on page 72 and "Removing the Control Panel Assembly" on page 105.

8If applicable, remove the storage controller daughter card. See "Removing a SAS Controller Daughter Card" on page 74.

9Remove the cooling shroud. See "Removing the Cooling Shroud" on page 67.

10Remove the fans. See "Removing a System Fan" on page 65

11Remove the fan bracket. See "Removing the Fan Bracket" on page 68.

12Remove the SAS backplane board:

a Pull the SAS-backplane board release pin. See Figure 3-34.

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.

Installing System Components

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