Hard Drive Backplane - Dell Precision 7920 Rack Owner's Manual

Installing network daughter card
Steps
1 Orient the NDC so that the Ethernet connectors fit through the slot in the back panel.
2 Align the captive screws at the back-end of the card with the screw holes on the system board.
3 Press the touch points on the card until the card connector is firmly seated on the system board connector.
4 Using a Phillips #2 screwdriver, tighten the captive screws to secure the NDC to the system board.
Next step
1 Install the expansion card riser 2.

Hard drive backplane

Removing hard drive backplane
Prerequisites
CAUTION: To prevent damage to the drives and backplane, remove the hard drives from the system before removing the
backplane.
CAUTION: Note the number of each hard drive and temporarily label them before you remove the hard drive so that you can
replace them in the same locations.
1 Remove the air shroud.
2 Remove the cooling fan assembly.
3 Remove the backplane cover.
4 Remove all hard drive.
5 Disconnect all the cables from the backplane.
Step
Press the release tabs and lift the backplane to disengage the backplane from the hooks on the system.
Removing and installing components 59