Fujitsu PRIMERGY TX120 S3, Upgrade And Maintenance Manual

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234 Upgrade and Maintenance Manual
TX120 S3
Main memory
10.1 Basic procedure
– The system board is equipped with four memory connectors.
– The system has to be equipped with at least one memory module.
Populate memory slot 1 / channel A (DIMM-1A) first.
– Supported memory modules:
DDR3-1066 / 1333 / 1600 unbuffered single rank (SR) or dual rank (DR)
UDIMM memory modules with ECC
I
Information about different features of the model lines see section
"Model lines for TX120 S3" on page 24 .
– Supported capacities: 2 GB, 4 GB or 8 GB.
– Maximum amount of RAM: 32 GB
10.1.1 Memory sequence
– Populate memory slot 1 / channel A (DIMM-1A) first.
– Within both channels, memory slot 1 must be populated prior to slot 2.
– If memory modules with different capacities are used:
– Install modules with higher capacities first.
– Within a channel, install modules in descending order of capacity.
– If memory modules with different speeds are used, the lowest clock rate
applies for all DIMMs.
Figure 128: Memory overview