Fujitsu PRIMERGY TX140 S1 Upgrade And Maintenance Manual page 298

Main memory
Figure 164: Installing memory modules (B)
Ê Align the notch on the bottom of the module with the crossbar in the
connector (see close-up).
Figure 165: Installing memory modules (C)
Ê Press down on the memory module until the securing clips snap into the
cutouts at each end of the module.
298 Upgrade and Maintenance Manual
TX140 S1