CAUTION: To prevent damage to the server or
expansion boards, power down the server and remove all AC power
cords before removing or installing the expansion boards.
Align the PCI riser cage with the chassis
and slide it into place.
Tighten the thumbscrews to secure the PCI
riser cage:
Lift the thumbscrew knobs.
Turn the thumbscrews clockwise while
pressing down, until tightened.
Turn the thumbscrews counterclockwise to
lower the thumbscrew knobs.