Fujitsu PRIMERGY RX2540 M7 Upgrade And Maintenance Manual page 305

▶ Pull out the RAID controller from the riser card slot.
Install the Internal RAID controller in a slight angle into the riser card
slot. Otherwise, a capacitor under the Internal RAID controller could
interfere with the Internal RAID riser module and fall off (see circles).
Removing the internal RAID riser module
Figure 175: Removing the internal RAID riser module
▶ If necessary, disconnect all cables from the internal RAID riser module.
▶ Loosen the knurled screw (see circle).
RX2540 M7
Expansion cards and backup units
Upgrade and Maintenance Manual 305