DIMM Rank Classification
72 SPARC T5-4 Server Service Manual • July 2016
DIMM Rank Classification
Each DIMM includes a printed label identifying its rank classification (examples below). Use
these rank classification labels to identify the architecture of the DIMMs installed in the server,
or to verify the architecture of any replacment or upgrade DIMMs you intend to install.
The following table identifies the corresponding rank classification label shipped with each
DIMM.
Rank Type Bank Classifications Label
Dual-rank x4 DIMMs 16 Gbyte 2Rx4
Quad-rank x4 DIMMs 32 Gbyte 4Rx4
Note - All DIMMs related to each CMP must have identical rank classifications. For more
information, see “DIMM Population Rules” on page 69.
Related Information
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“DIMM Population Rules” on page 69