332 Upgrade and Maintenance Manual TX2550 M4
Expansion cards and backup units
Ê Remove the TFM (see arrow).
I Note for replacing the TFM:
The two spacer bolts can remain on the RAID controller.
9.6.5.3 Installing the new TFM
Example: RAID controller PRAID EP4x0i
Figure 231: Installing the TFM (A)
Ê If no TFM has been installed before: fit the two spacer bolts on the RAID
controller.