Dell 2900 owner manual Detach all cables from the rear of the system

CAUTION: Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the system by yourself.

1Turn off power to the system and disconnect the power cable from the power source.

2Detach all cables from the rear of the system.

3If the system is a tower system, place it on its side on top of a work surface.

4Open the system. See "Opening the System" on page 53.

5Perform all of the additional steps to remove the system board in "Removing the System Board" on page 107.

6Disconnect all cables connecting the system board to the SAS backplane board, the control panel, and any tape or hard drives in the peripheral or flex bays.

7Disconnect the cables connecting the system board and SAS backplane board to the power distribution board.

8Unlock the power supplies from the system and slide them back 5 cm (2 inches). See "Removing a Power Supply" on page 62

9Using a #2 Phillips screwdriver, remove the five screws from the power distribution board. See Figure 3-34.

10Remove the power distribution board from the system chassis. See Figure 3-34.

Installing System Components

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