HP ProLiant SL250s Gen8 Server - Manual (Page 58)

Hardware options installation 58
9. Install the expansion board into the slot until it seats firmly.
10. Install the PCI riser cage (on page 24 ).
IMPORTANT: The server does not power up if the PCI riser cage is not seated properly.
11. Connect any required internal cables to the expansion board. Refer to the documentation that ships with
the expansion board.
12. Install the front GPU bracket (on page 20 ).
13. Install the interposer board (on page 19 ).
14. Install the front GPU cage (on page 17 ).
15. Install the SFF hot-plug drive cage (" Installing the SFF hot-plug drive cage " on page 23 ).
16. Install the server into the chassis (" Installing the server into the chassis " on page 31 ).
17. Connect any required external cables to the expansion board. Refer to the documentation that ships
with the expansion board.
18. Power up the server (on page 15 ).