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3Remove the system fans and fan cage by following the instructions in “Replacing system fans” on page 41.

4Remove the PCI riser assembly by following the instructions in “Installing and removing PCI expansion cards” on page 39.

5Remove the memory modules by following the instructions in “Installing memory” on page 36.

6Remove the heat sinks and processors by following the instructions in “Replacing or adding a processor” on page 43.

7Disconnect all cables from the system board, noting their locations and orientation. (You will reconnect the cables after you install the new board.)

8Loosen the two thumbscrews (1) that secure the system board to the server.

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2

1

2

2

9Slide the system board toward the back of the server until it is free of the eight retaining standoffs (2), then lift the board from the chassis.

10Place the old system board in a static-free bag for storage.

11Insert the new system board into the chassis, aligned with the eight retaining standoffs, then slide the board toward the front of the case so the board is held by the standoffs.

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