Dell 2900 Power Distribution Board Service-Only Procedure, Removing the Power Distribution Board

3Reinstall the CPU processor(s). See "Replacing a Processor" on page 89.

4Reinstall the memory modules. See "Installing Memory Modules" on page 85.

5Reconnect all cables to the connectors on the front edge of the system board.

6Reinstall the TOE key, if applicable. See Figure 6-2.

7Reinstall the expansion-bay bracket:

a Align the expansion-bay bracket with the tabs on the system board and the chassis wall and then carefully push the bracket into the tabs.

b Gently push the bracket toward the back of the chassis until the latch on the left side of the bracket engages.

8Install all expansion cards. See "Installing an Expansion Card" on page 68.

9Reinstall the SAS controller daughter card. See "SAS Controller Daughter Card" on page 96.

10If a RAC card is present, attach the cables to the RAC connectors on the system board. See "Installing a RAC Card" on page 87.

11Reinstall the center and rear fan brackets. See "Replacing the Center Fan Bracket" on page 81 and "Replacing the Back Fan Bracket" on page 82.

12Install the memory cooling shroud. See "Installing the Cooling Shroud" on page 81.

NOTICE: Never operate your system with the memory cooling shroud removed. Overheating of the system can develop quickly resulting in a shutdown of the system and the loss of data.

13Install all of the cooling fans. See "Removing and Installing a Fan" on page 65

14Reconnect all cables to the expansion cards.

15Close the system. See "Closing the System" on page 53.

16Reconnect all cables to the front and rear of the system.

17Reconnect the system to the power source and turn on the system and attached peripherals.

18Replace the front bezel, if removed.

Power Distribution Board (Service-Only Procedure)

Removing the Power Distribution Board

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

110

Installing System Components