Dell 2900 owner manual System Board Service-Only Procedure, Removing the System Board

5Connect the control panel interface cable to the control panel board. See Figure 3-32.

6Close the system. See "Closing the System" on page 53.

7If applicable, reinstall the top panel on your tower system:

a Place the top panel on top of the system and offset slightly so that the panel can engage the chassis hooks.

b Slide the panel forward to closed position.

c Install the retaining screw to the top back of the system.

8Reconnect the system to the power source and turn on the system and attached peripherals.

9Replace the front bezel, if removed.

System Board (Service-Only Procedure)

Removing the System 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.

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.

1Remove the front bezel, if attached. See "Removing the Bezel" on page 50.

2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

3Detach all cables from the front and rear of the system

4If the system is a tower system, place it on its side on top of a work surface.

5Open the system. See "Opening the System" on page 53.

6Disconnect any cables attached to expansion cards in the expansion-bay bracket.

7Remove all of the cooling fans. See "Removing and Installing a Fan" on page 65 and "Removing or Installing the Cooling Shroud Fan" on page 66.

8Remove the center and rear fan brackets. See "Removing the Center Fan Bracket" on page 81 and "Removing the Back Fan Bracket" on page 82.

9Remove the memory cooling shroud.

10Remove all expansion cards from the expansion bay. See "Removing an Expansion Card" on page 70.

11Disconnect the SAS controller daughter card from the system board socket connector:

a Push outward on the plastic guide rails and gently pull up on the card edges until the card-edge connector clears the socket.

b Leave the SAS controller daughter card in the expansion-bay bracket.

Installing System Components

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