Fujitsu PRIMERGY RX4770 M6 Upgrade And Maintenance Manual page 219

Figure 123: Removing the slot cover - example riser module left
▶ Remove the two slot covers.
CAUTION
▶
Keep the slot cover for future use.
▶
If the expansion card is removed and not replaced with a new
one, the slot cover must be reinstalled due to cooling, to comply
with applicable EMC regulations and to protect against fire.
Figure 124: Installing a GPU card in a riser module
▶ Install the GPU in the riser module.
RX4770 M6
Expansion cards and backup units
Upgrade and Maintenance Manual 219