Expansion Cards And Expansion Card Risers; Expansion Card Installation Guidelines - Dell PowerEdge R740xd Installation And Service Manual

Figure 72. Installing a processor and heat sink module (1U)
Next steps
1 If applicable, install the mid drive tray.
2 If applicable, install the air shroud.
NOTE: If applicable, open the PCIe card holder latch on the air shroud to install the full length card.
3 Follow the procedure listed in
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Opening and closing the PCIe card holder latch
Installing the air shroud

Expansion cards and expansion card risers

An expansion card in the system is an add-on card that can be inserted into an expansion slot on the system board or riser card to add
enhanced functionality to the system through the expansion bus.
NOTE: A System Event Log (SEL) event is logged if an expansion card riser is not supported or missing. It does not prevent your
system from turning on. However, if F1/F2 pause occurs and an error message is displayed.

Expansion card installation guidelines

The PowerEdge R740xd system supports up to eight PCI express (PCIe) generation 3 expansion cards, that can be installed on the system
board using expansion card risers. The following table provides detailed information about the expansion card riser specifications:
124 Installing and removing system components
After working inside your system.