Installing Dimms - NEC EXPRESS5800/120Re-2 Service Manual

Installing DIMMs

1. Observe the safety and ESD precautions listed under General Information
and Static Precautions at the beginning of this chapter.
2. Perform the steps in "Preparing Your System for Upgrade" described earlier
in this chapter.
3. Extend the server out from the rack.
4. Remove the top cover of the system chassis. See Top Cover Removal found
earlier in this chapter.
For proper cooling and airflow, do not operate the system
with the top cover removed. Always replace the top cover
before powering on the system.
4. Locate the appropriate DIMM sockets on the system board (see
Figure 4-7).
5. If present, remove the DIMM connector cover from its socket
(see Figure 4-8). Save the DIMM connector cover for future use.
Note:
remove the DIMM from its socket (see Removing DIMMs
later in this chapter).
Figure 4-8. 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 4-9.
4-12 Disassembly and Reassembly
! CAUTION
If you are replacing a DIMM, you must first
! CAUTION