Western Digital WD Sentinel DS5100 Maintenance Manual

APPENDIX

89

WD SENTINEL DS5100/DS6100
ADMINISTRATOR AND MAINTENANCE GUIDE

5.    On the top of the unit, loosen and remove the six (6) screws holding the PCBA unit in 

place.

 Figure 7.  Remove screws from PCBA unit

6.    Carefully lift the PCBA up and away from the rest of the unit, then gently place the 

flipped assembly on a stable flat surface.

7.    Remove and replace or add additional 2PL-SODIMM module(s).

This unit uses

 memory in coordinated pairs and are color-coded. 

For a list of 

valid memory configurations, search for Answer ID 9999 in the WD Knowledge Base 
at 

.

 

 Figure 8.  Replace 4PL-SODIMM module

Ensure that the connector clears the plate when removing the 
assembly.