HP ProLiant ML110 - G2 Server User Manual page 42

Remove the slot cover retainer.
4.
To prevent improper cooling and thermal damage, do not operate the server
CAUTION:
unless all PCI slots have either an expansion slot cover or an expansion board installed.
Remove the expansion slot cover.
5.
IMPORTANT:
installing a board.
It may be necessary to remove the slot cover next to the slot in which you are
Hardware options installation 42