Steps
1. Disconnect the hard-drive data cables from the system board.
2. Disconnect the processor-power cables from the system board.
3. Disconnect the system-board power cables from the system board.
4. Disconnect the rear-chassis fan power cable from the system board.
5. Disconnect the SATA power cable from the system board.
6. Disconnect all the cables that are connected to the system board.
NOTE: Note the routing of all cables as you remove them so that you can route them correctly after you replace the system
board. For information about system-board connectors, see "System-board components".
NOTE: Note the routing of all cables as you remove them so that you can route them correctly after you replace the system
board.
7. Remove the nine screws (#6-32x1/4") that secures the system board to standoffs on the chassis.
8. Remove the screw (#6-32x1/4") that secures the front I/O-bracket to the chassis and remove the front I/O-bracket.
9. Hold the edge of the system board where the front I/O-ports are located.
10.Hold the edge of the system board where the rear ports are located.
11. Lift the system board off the chassis at an angle and remove the system board from the chassis.
Installing the system board
CAUTION: The information in this installation section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
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