Expansion Cards And Expansion Card Risers; Expansion Card Installation Guidelines - Dell EMC PowerEdge R940 Installation And Service Manual

Figure 69. Installing the PEM power board
Next steps
1 Holding the PEM handle, lower the PEM until it firmly seats in place.
2 Install the air shroud.
3 Follow the procedure listed in
Related links
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

Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
After working inside your system.
Installing and removing system components 115