HP ProLiant DL60 Gen9 User Manual page 24

Align the PCI riser board with the corresponding connectors on the system board, and then press
1.
down the PCI riser cage.
If installing the secondary PCI riser cage, remove the PCI blank.
2.
Retain the blank and screws for future use.
Align the PCI riser board with the corresponding connectors on the system board, and then press
3.
down the PCI riser cage.
Operations 24