5 Main memory

VCAUTION!

Observe the safety instructions in the chapter “Safety notes” on page 7 et seqq. .

The system board supports up to 4 Gbytes of main memory. Four slots (2 slots form a memory bank) are provided for the main memory. Each memory bank can be equipped with 256 Mbyte, 512 Mbyte or 1 Gbyte unbuffered DDR I memory modules.

5.1Equipping rules

DIMM 1A

DIMM 2A

DIMM 1B

DIMM 2B

Figure 12: Structure of the main memory in memory banks and memory modules

Each memory bank is equipped with two memory modules with the same capacity. Memory access takes place in 2-way interleaved mode.

The memory module capacity can differ for the various memory banks: e.g. memory bank 2A/2B can be equipped with two 512 Mbyte memory modules, and memory bank 1A/1B with two 1 Gbyte memory modules.

U41604-Z156-1-76

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Fujitsu TX150 S3 manual Main memory, Equipping rules