HP Proliant DL580 - Server Setup; Installation Services and Planning

32 HP ProLiant DL580 Generation 3 Server Maintenance and Service Guide
6. Remove the PCI retaining clip.
To replace the component, reverse the removal procedure.
Removing the PCI-X Hot Plug basket
1. Power down the server ("Powering down the server" on page 18).
2. Extend or remove the server from the rack ("Removing the server from the
rack" on page 19
).
3. Remove the access panel ("Removing the access panel" on page 19
).
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.
4. Remove the expansion board from the slot, if installed.