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2.3
System memory
2.3.1
Overview
The motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory
Modules (DIMM) sockets.
A DDR3 module has the same physical dimensions as a DDR2 DIMM but is
notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules
are developed for better performance with less power consumption.
The figure illustrates the location of the DDR3 DIMM sockets:
P8B-X/MR 240-pin DDR3 DIMM sockets
2.3.2
Memory Configurations
You may install 1GB, 2GB, 4GB and 8GB Unbuffered with ECC DDR3 DIMMs into
the DIMM sockets using the memory configurations in this section.
UDIMM
DIMM Slot
DIMM Populated
Per Channel
per Channel
2
1
2
2
•
Start installing the DIMMs from slot A2 and B2 (orange).
•
Always install DIMMs with the same CAS latency. For optimum
compatibility, it is recommended that you obtain memory modules from the
same vendor.
2-10
DIMM Type
Speed
Unbuffered DDR3 ECC 1066/1333
Unbuffered DDR3 ECC 1066/1333
Rank per DIMM
Single Rank,
Dual Rank
Single Rank,
Dual Rank
Chapter 2: Hardware setup
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