Fujitsu PRIMERGY GX2570 M6 Upgrade And Maintenance Manual page 142

Expansion cards and riser modules
Figure 90: Removing the slot cover
▶ Remove the screw of the corresponding slot cover (see circles).
▶ Remove the slot cover.
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 91: Installing the expansion card in the riser module
142 Upgrade and Maintenance Manual GX2570 M6