Fujitsu PRIMERGY CX122 S1 Service Supplement Manual page 80

Replacing the system board
Figure 56: Removing the system board (A)
Ê Remove eight screws from the system board (see circles).
Ê Slightly lift the system board by the memory module ejectors and the PCI
riser slot in order to detach it from the centering holes.
78 Service Supplement
PRIMERGY CX122 S1