Fujitsu PRIMERGY RX2520 M4 Upgrade And Maintenance Manual page 218

Expansion cards and backup units
Example RAID controller for PRAID EP4x0i
Figure 124: Disconnecting the FBU adapter cable from the TFM
Ê Disconnect the FBU adapter cable from the TFM.
Figure 125: Removing the TFM
Ê Remove the two screws (see arrow).
Ê Remove the TFM (see circles).
I
Note for replacing the TFM:
The two spacer bolts can remain on the RAID controller.
218 Upgrade and Maintenance Manual
RX2520 M4