5 Connect the hard-drive data cable to the system board.
6 Connect the hard drive and optical-drive power cable to the system board.
7 Connect the power-button module cable to the system board.
8 Route the processor power-cable through the routing guides on the chassis and connect the cable to the system board.
9 Align and place the front-I/O bracket on the chassis.
10 Replace the screw (#6-32xL6.35) that secure the front-I/O bracket to the chassis.
Replacing the system board
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