HP DL980 G7 - Manual (Page 64)

Hardware options installation 64
6. Install the PCI-X/PCI Express I/O expansion board.
7. Install any expansion boards.
8. Slide the processor memory drawer back into the server.
9. Install the access panel.
10. Slide the server back into the rack.
11. Power up the server (on page 22 ).
Low profile I/O expander
1. Power down the server (on page 22 ).
2. Press the release button, and open the lever.