Prerequisites
Follow the safety guidelines listed in the Safety instructions.
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.
Removing the system board:
Using the system board holder and plunger, slide the system board towards the front of the system.
At a tilted angle, lift the system board out of the chassis.
NOTE:The procedure to remove the liquid cooling rear I/O board and rear I/O boards is the same.
Removing the LOM card:
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.
NOTE:MIC is card is only available in the system that supports Dell DPU cards.
Installing the LOM card:
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.
NOTE:MIC is card is only available in the system that supports Dell DPU cards.
Installing the system board:
Unpack the new system board assembly.
CAUTION: Do not lift the system board by holding a memory module, processor, or other components.
CAUTION:Take care not to damage the system identification button while placing the system board into the chassis.
Holding the system board holder and plunger, lower the system board at a tilted angle into the system.
Slide the system board towards the rear of the chassis until the connectors are firmly seated in the slots.
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.
