NEC MH4500 - Manual (Page 87)

Upgrading Your System 4-17
3. Align the two notches in the bottom edge of the DIMM with the keyed
socket on the memory module (see the following figure).
Installing the DIMM
!
CAUTION
Use care when inserting a DIMM. Applying too much
pressure when inserting a DIMM can damage a socket or
ejector lever. Apply just enough pressure on the DIMM
ejector levers to lock the DIMM.
4. Carefully insert the DIMM into the socket and press down firmly on the
DIMM until it is fully seated.
5. Gently push the plastic ejector levers on the socket ends to the upright
position.
6. Repeat the above steps for each additional DIMM.
7. Reinstall the memory module (see “Installing the Memory Module,” below).