KTD-00782-H KTQ45 family Page 19 of 92
Channel B will be divided into two parts. One part of channel B is used together with channel A and mapped
to dual channel operation. The second part of channel B is mapped to single channel operation.
Note:
Regardless of the memory configuration Dual Channel, Single Channel or Flex, the DIMMA1 must always
be populated. This is a requirement of the Intel® Management Engine.
The below tables shows examples of possible Memory slot configurations for the support of the various
Memory modes.
Dual Channel Interleaved Mode Configurations
In these examples the combined capacity of the two DIMMs in Channel A equals the combined capacity of
the two DIMMs in Channel B.
Single Channel Asymmetric Mode Configurations
In these examples the combined capacity of the two DIMMs in Channel A does not equal the capacity of the
DIMMs in Channel B.
Dual Channel Flex Mode Configurations
The 1 GB DIMM in the Channel A, DIMM 0 socket and the lower 1 GB of the DIMM in the Channel B, DIMM
0 socket operate together in dual channel mode. The remaining (upper) 1 GB of the DIMM in Channel B
operates in single channel mode.
Channel A, DDR3 DIMMA1 (SLOT 1)
Channel A, DDR3 DIMMB1 (SLOT 2)
Channel B, DDR3 DIMMC1 (SLOT 3)
Channel B, DDR2 DIMMD1 (SLOT 4)
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