HP ProLiant DL380 - Manual (Page 56)

Hardware options installation 56
6. Remove the PCI riser board.
7. Install the optional riser board.
8. Install any expansion boards. (" Expansion board options " on page 53 )
9. Install the PCI riser cage (on page 25 ).
10. Install the access panel (on page 24 ).
11. Install the server into the rack.
12. Power up the server (on page 22 ).