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25
Chapter 3: System Setup
NSA 3111 User Manual
Installing a DIMM
1. The 2 DDR2 sockets are divided into 2 channels.
•
DIMM1 = Channel A
DIMM2 = Channel B
•
Always populate DIMM1 first. The system will not boot when
the first module is installed in DIMM2.
2. Push the ejector tabs which are at the ends of the socket outward. This
indicates that the socket is unlocked.
Ejector
tab
DIMM2
DIMM1