Installing Dimms - NEC Express5800 series User Manual

Installing DIMMs

1. Observe the safety and ESD precautions listed at the beginning of this
chapter.
2. Power off the system. Ensure the power cords are unplugged from the AC
wall outlet.
3. Remove the rear access cover and system board access cover following
procedures previously described in this chapter.
4. Remove the memory board following procedures previously described in
this chapter.
Note:
wrist strap. Hold DIMMs only by their edges.
5. Place the memory board on an antistatic surface.
6. Holding the DIMM module only by the edges, remove it from its antistatic
package.
Note:
connectors on the memory board, you remove the DIMM
connector cover, if present, first.
7. DIMMs are keyed so they can only be inserted one way. Position the DIMM
over the socket on the board where you want to install the DIMM. The
notches in the bottom edge of the DIMM mate with the raised bumps in the
DIMM socket.
8. Press down evenly on the DIMM until it seats correctly. The retaining levers
(see Figure 4-15) on the sockets are not "tools" to aid in the insertion, only
to keep the DIMMs in place and to aid in extraction. The levers will
automatically close in place once the DIMM is fully inserted into the socket.
9. Repeat steps 6 through 8 above to install any remaining DIMMs.
Observe static precautions. Use an antistatic
When installing DIMMs in empty DIMM
Figure 4-15. Installing Memory DIMMs
Upgrading Your System 4-21