HP ProLiant ML350 Generation 4 - Expansion Board

30 HP ProLiant ML350 Generation 4 Server Maintenance and Service Guide
CAUTION: To prevent improper cooling and thermal damage,
do not operate the server unless all PCI slots have either an expansion
slot cover or an expansion board installed.
To replace the component, reverse the removal procedure.
Expansion Board
CAUTION: To prevent damage to the server or expansion
boards, power down the server and remove all AC power cords before
removing or installing the expansion boards.
To remove the component:
1. Remove the access panel ("Access Panel" on page 17).
2. Remove the expansion board retainer.
3. Disconnect any internal or external cables from the expansion board.