Fujitsu PRIMERGY TX140 S1 Upgrade And Maintenance Manual page 257

Expansion cards and backup units
Figure 130: Installing the FBU in the FBU holder (A)
Ê At a slight angle, fit the FBU under both retaining brackets of the FBU holder
as shown.
Ê Push in the FBU until it locks in place.
Figure 131: Installing the FBU in the FBU holder (B)
Upgrade and Maintenance Manual 257
TX140 S1