Compaq ProLiant 850R Setup And Installation Manual page 78

DIMM Expansion
Board Socket
Figure 3-27. Aligning DIMM in the memory expansion slots
3. Insert each DIMM straight down into a socket on the System Board.
4. As the DIMM goes into the socket, the latches close.
5. Use your thumbs to press firmly down on the DIMM while pushing the
latches inward with your index fingers until the latches snap into place.
Figure 3-28. Installing a DIMM
Dual Inline Memory
Module (DIMM)
DIMM key slot
3-27