Intel SE7221BA1 Product Specification - Page 20

Dual Channel Interleaved Mode Configuration with Four DIMMs

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Functional Architecture Intel® Entry Server Board SE7221BA1-E TPS The following figure shows a dual channel configuration using three DIMMs. In this example, the combined capacity of the two DIMMs in Channel A equal the capacity of the single DIMM in the DIMM0 (blue) socket of Channel B. 256 MB 256 MB 512 MB Channel A, DIMM 0 Channel A, DIMM 1 Channel B, DIMM 0 Channel B, DIMM 1 OM17122 Figure 5. Dual Channel (Interleaved) Mode Configuration with Three DIMMs Figure 6 shows a dual channel configuration using four DIMMs. In this example, the combined capacity of the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel B. Also, the DIMMs are matched between DIMM0 and DIMM1 of both channels. 256 MB 512 MB 256 MB 512 MB Channel A, DIMM 0 Channel A, DIMM 1 Channel B, DIMM 0 Channel B, DIMM 1 OM17124 Figure 6. Dual Channel (Interleaved) Mode Configuration with Four DIMMs 10 Revision 1.5

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Functional Architecture
Intel® Entry Server Board SE7221BA1-E TPS
10
Revision 1.5
The following figure shows a dual channel configuration using three DIMMs.
In this example,
the combined capacity of the two DIMMs in Channel A equal the capacity of the single DIMM in
the DIMM0 (blue) socket of Channel B.
OM17122
Channel A, DIMM 0
Channel A, DIMM 1
Channel B, DIMM 0
Channel B, DIMM 1
256 MB
512 MB
256 MB
Figure 5.
Dual Channel (Interleaved) Mode Configuration with Three DIMMs
Figure 6 shows a dual channel configuration using four DIMMs.
In this example, the combined
capacity of the two DIMMs in Channel A equal the combined capacity of the two DIMMs in
Channel B.
Also, the DIMMs are matched between DIMM0 and DIMM1 of both channels.
OM17124
Channel A, DIMM 0
Channel A, DIMM 1
Channel B, DIMM 0
Channel B, DIMM 1
256 MB
256 MB
512 MB
512 MB
Figure 6.
Dual Channel (Interleaved) Mode Configuration with Four DIMMs