To install the system board:
1If installing a new system board, mount the rails (removed in Step 9 above) on the bottom of new board.
2Align the rails located underneath the system board with the guides on the chassis, and slide the system board into the chassis.
3Push in the release lever until it is parallel with the chassis. This will complete the reinstallation and lock the board in place.
4Reconnect peripherals, the modem cord, and the power cord, then turn on the system.
34System Components