HP Proliant DL580 - Removing a PCI Latch

30 HP ProLiant DL580 Generation 3 Server Maintenance and Service Guide
3. Remove the PPM.
IMPORTANT: Always install a PPM when you install a processor.
The system fails to boot if the corresponding PPM is missing.
To replace the component, reverse the removal procedure.
Removing a PCI latch
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. Open the latch.
5. Remove the expansion board from the slot, if installed.
6. Remove the expansion slot cover from the slot, if installed.