- Notes, cautions, and warnings
- About this document
- Dell Technologies PowerEdge R740xd2 system overview
- Initial system setup and configuration
- Installing and removing system components
- Safety instructions
- Before working inside your system
- After working inside your system
- Recommended tools
- Front bezel
- System cover
- Air shroud
- Internal PERC riser
- Cooling fans
- Intrusion switch
- Drive bay
- Drives
- Removing a drive blank
- Installing a drive blank
- Removing a drive carrier
- Removing the drive from the drive carrier
- Installing a drive carrier
- Installing a drive into the drive carrier
- Removing a 2.5-inch drive from a 3.5-inch drive adapter
- Installing a 2.5-inch drive into a 3.5-inch drive adapter
- Removing a 3.5-inch drive adapter from a 3.5-inch drive carrier
- Installing a 3.5-inch drive adapter into the 3.5-inch drive carrier
- Drive backplane bracket
- Bay intrusion switch
- Rear drive cage
- Drive backplane
- Cable routing
- System memory
- Processor and heat sink
- Expansion cards and expansion card risers
- Expansion card installation guidelines
- Removing expansion card from the system board
- Removing expansion card from the expansion card riser
- Installing expansion card into the expansion card riser
- Installing expansion card on the system board
- Removing an expansion card riser
- Installing an expansion card riser
- M.2 SSD module
- Optional IDSDM / vFlash module
- LOM riser card
- System battery
- Optional internal USB memory key
- Power supply units
- Power interposer board
- System board
- Trusted Platform Module
- Cable chain assembly
- Control panel
- Jumpers and connectors
- System diagnostics and indicator codes
- Getting help
- Documentation resources
Dell EMC PowerEdge R740xd2 Installation and Service Manual
Installing the LOM riser card
Prerequisites
- Follow the safety guidelines listed in Safety instructions.
- Power off the system and all attached peripherals.
- Disconnect the system from the electrical outlet, and disconnect the peripherals.
- Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
- Open the drive bays, remove all drives, and then close the drive bays.
- Remove the power supply units.
- Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide available at https://www.dell.com/poweredgemanuals.
- Remove the system cover.
- Remove the air shroud.
- If installed, remove the rear drive cage.
- If installed, remove the risers.
Steps
- Align the connectors on the LOM riser card with the slot on the system.
- Press the LOM riser card until the card is firmly seated on the system board connector and the two blue plastic clips hold the LOM riser card in place.
- Using a Phillips #2 screwdriver, replace the screws to secure
the LOM riser card to the system board.
Figure 1. Installing LOM riser card 
Next steps
- If removed, install the risers.
- If removed, install the rear drive cage.
- Install the air shroud.
- Install the system cover.
- Place the system into the rack. For more information, see the Rail Installation Guide available at https://www.dell.com/poweredgemanuals.
- Open the drive bays, install all drives, and then close the drive bays.
- Install the power supply units.
- Follow the procedure listed in After working inside your system.
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