Fujitsu PRIMERGY RX2540 M7 Upgrade And Maintenance Manual page 301

▶ Install the Internal RAID controller in a slight angle. A capacitor under the
Internal RAID controller could interfere with the Internal RAID riser module
and fall off.
▶ Carefully press the RAID controller into the riser card slot, until it clicks into
place.
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).
▶ Fasten the RAID controller with two screws (1).
▶ Connect the HDD LED cable (2).
RX2540 M7
Expansion cards and backup units
OK
Upgrade and Maintenance Manual 301