HP ProLiant SL270s Gen8 Server - Manual (Page 52)

Hardware options installation 52
8. Remove the PCI cage.
9. Install the riser card into the PCI cage.
10. If necessary, install the expansion boards (" Installing an expansion board or FlexibleLOM " on page
46 ).
IMPORTANT: The server does not power up if the PCI riser board assembly is not seated
properly.
11. Connect all internal cabling to the expansion boards.
12. Install all components removed from the server.
13. Install the server into the chassis (" Installing the server into the chassis " on page 23 ).
14. Power up the server (on page 15 ).
Redundant hot-plug power supply option