NEC Express5800 series User Manual page 218

9-20 Upgrading Your Server
46.
Remove two screws to take the PCI bracket assembly out of the CPU blade.
47.
Remove one screw to take the dummy PCI bracket out from the PCI bracket assembly.
IMPORTANT:
48.
Connect the optional expansion slot card to the riser card slot on the CPU blade.
Keep the removed dummy PCI bracket for future use.