Fujitsu PRIMERGY TX300 S7 Upgrade And Maintenance Manual page 509

Figure 329: Mounting the FBU holder (B)
Ê Insert the FBU holder into the chassis so that the three fixation bolts on the
chassis floor rest in the wide ends of the keyhole slots on the holder.
Ê Slide the FBU holder under the system board as far as it will go (1).
The fixation bolts on the chassis floor will lock in the narrow ends of the
keyhole slots on the FBU holder.
Ê Ensure that the locking handle on the FBU holder properly snaps in place
(2).
TX300 S7 / RX350 S7
Upgrade and Maintenance Manual
Expansion cards and backup units
509