Follow the safety guidelines listed in the Safety instructions.
Follow the procedure listed in the Before working inside your system.
Power off the system and all attached peripherals.
Disconnect the system from the electrical outlet and disconnect the peripherals.
If applicable, remove the system from the rack.
Remove the system cover.
Remove the system board.
NOTE: The procedure to remove the liquid cooling rear I/O board and rear I/O board is the same.
Removing the LOM card and rear I/O board:
Using a Phillips # 2 screwdriver, remove the screws that secure the LAN on Motherboard (LOM) card and rear I/O board to the system board.
Holding the edges, pull the LOM card or rear I/O board to disconnect from the connector on the system board.
Installing the LOM card and rear I/O board:
Align the connectors and slots on the LOM card or rear I/O board with the connector and standoffs on the system board.
Press the LOM card or rear I/O board until firmly seated on the system board connector.
Using a Phillips #2 screwdriver, secure the LOM card or rear I/O board to the system board with screws.
Install the system board.
Follow the procedure listed in After working inside your system.
Replace the system cover.
If applicable, install the system into the rack.
Reconnect the peripherals and connect the system to the electrical outlet, and then power on the system.