Installing Dimms - NEC EXPRESS5800/120Lf User Manual

Installing DIMMs

1. Observe the safety and ESD precautions listed under General Information
and Static Precautions at the beginning of this chapter.
2. Prepare your system for upgrade. See Preparing Your System for Upgrade
described earlier in this chapter.
3. Remove the left-hand side access panel as described earlier in this chapter.
4. Locate the appropriate DIMM sockets on the system board (see
Figure 4-18).
5. Remove the DIMM connector cover from its socket (see Figure 4-19). Save
the DIMM connector cover for future use.
Note:
remove the DIMM from its socket (see Removing DIMMs
later in this chapter).
Figure 4-19. Removing the DIMM Connector Cover
6. Holding a DIMM module only by the edges, remove it from its antistatic
package.
Observe static precautions. Use an antistatic wrist strap.
Hold the DIMM only by its edges.
7. Position the DIMM so that the two notches in the bottom edge of the DIMM
align with the keyed socket. See Figure 4-20.
8. Insert the bottom edge of the DIMM into the socket, and press down firmly
on the DIMM until it seats correctly.
9. Gently push the plastic ejector levers on the socket ends to the upright
position to ensure that they are installed correctly.
If you are replacing a DIMM, you must first
! CAUTION
Upgrading Your System 4-21