Dell EMC PowerEdge R940xa Installation and Service Manual

Removing the drive backplane

CAUTION To prevent damage to the drives and backplane, remove the drives from the system before removing the backplane.

CAUTION Note the number of each drive and temporarily label them before you remove the drive so that you can replace them in the same locations.

Follow the safety guidelines listed in Safety instructions.
Follow the procedure listed in Before working inside your system.
Disconnect the cables.
1. If applicable, disconnect all the slimline SAS cables from the system board.
2. If applicable, disconnect all the PERC cables from the adapter PERC cards.
Remove the drives.
Remove the support bar.
Remove the air shrouds.
Remove the cooling fan assembly.

Loosen the two thumb screws on the backplane expander board.
Press and hold the blue release tabs, and lift the backplane expander board up to disengage the slots from the guides on the system.
Lift the backplane expander board out of the system.
Figure 1. Removing the backplane expander board
Press and hold the blue release tabs, and lift the lower backplane to disengage the slots from the guides on the system.
Lift the lower backplane out of the system.
Figure 2. Removing the lower backplane