Lower the drive backplane into the server, and then position it under the
spring tab to engage the standoff hooks (panels 1 and 2).
The standoff hooks fit into small openings in the drive backplane.
Ensure that ribbon cables aren't caught under the drive backplane.
Using a No. 2 Phillips screwdriver, install and tighten the
spring-mounted screw (on the power supply side of the server)
to secure the drive backplane to the chassis (panel 3).
Reconnect the cables to the drive backplane.
Reconnect the auxiliary signal cable to the drive backplane
(panel 3).
Reconnect the power cable to the drive backplane (panel 5).
If present, reconnect the two optional NVMe cables to the storage
drive backplane (panel 5).
Reconnect the two SAS cables to the drive backplane from the
motherboard (panel 6).