Fujitsu PRIMERGY TX300 S7 Upgrade And Maintenance Manual page 816

System board and components
Figure 542: Installing the system board (B)
Ê Carefully shift the system board towards the server rear until the plug shells
engage with the cut-outs in the connector panel (1).
Ê Lower the system board onto the centering bolts (C).
Ensure that the system board is properly seated on both centering bolts.
816 Upgrade and Maintenance Manual
TX300 S7 / RX350 S7