HP DL580 - Manual (Page 58)

Hardware options installation 58
4. Open the latch, and remove the expansion slot cover.
5. Install the expansion board.
6. Close the latch.
7. Connect any required internal or external cables to the expansion board.
8. Replace the access panel, and resume normal server operations.
Installing the PCI Express x8 3 Slot Option Card
CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless
all expansion slots have either an expansion slot cover or an expansion board installed.
1. Power down the server (on page 21 ).
2. Remove the processor memory module (" Removing the processor memory module " on page 33 ).
3. Extend or remove the server from the rack (" Extending the server from the rack " on page 21 ).