Remove the PCI filler panel, if one is present, from the
server.
Align the PCI riser-cage assembly with the PCI riser connector
on the system board; then, grasp the rear side of the PCI riser-cage
touch point and the front PCI rise- cage suitable location of the
PCI riser-cage assembly.
Press down firmly until the PCI riser-cage assembly is
seated correctly in the connector on the system board.
Figure 1. Front PCI riser-cage assembly installation