Dell EMC PowerEdge R940 Installation And Service Manual page 124

NOTE: Store the filler bracket for future use. Filler brackets must be installed in empty expansion card slots to maintain
Federal Communications Commission (FCC) certification of the system. The brackets also keep dust and dirt out of the
system and aid in proper cooling and airflow inside the system.
2 Holding the expansion card by its edges, position the card so that the connector on the card aligns with the connector on the riser.
3 Insert the connector on the card into the connector on the riser until the card is fully seated.
4 Slide the PCIe retention bracket down to hold the card in place.
NOTE: This step is applicable only if you are installing the expansion cards in the slots 12 and 13 of Riser 3 (IO_RISER3)
and slots 9 and 10 of Riser 2(IO_RISER2).
5 Close the PCIe card latch.
Figure 77. Installing expansion card into expansion card riser
Next steps
1 Install the expansion card riser.
2 Connect the cables to the expansion card.
3 Follow the procedure listed in
Related links
Installing the expansion card riser
124 Installing and removing system components
After working inside your system.