5 system memory, System memory -11 – AAEON EMB-H81A User Manual
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2-11
Chapter 2: Motherboard information
2.5
System memory
This motherboard comes with two Double Data Rate 3 (DDR3) Small Outline Dual Inline
Memory Module (SO-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 below illustrates the location of the DDR3 SO-DIMM sockets:
EMB-H81A 204-pin DDR3 SO-DIMM sockets
SO-DIMM_A1 SO-DIMM_B1
Channel
Sockets
Channel A
SO-DIMM_A1
Channel B
SO-DIMM_B1
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