Fujitsu PRIMERGY CX400 M4 Upgrade And Maintenance Manual page 154

Midplane kit
Figure 81: Installing the midplane kit (B)
Ê Press down the midplane firmly until it is fully seated in the slots of the
HDD/SSD bridge board.
Figure 82: Installing the midplane kit (C)
Ê Secure the midplane kit with two screws (see circles).
Ê Plug in the front panel cables to the midplane (1).
154 Upgrade and Maintenance Manual
CX400 M4