Dimm Rank Classification Labels - Sun Oracle Sun Server X4-2 Service Manual

The table below lists the memory speed limitations associated with all the possible
combinations of DIMMs within an individual memory channel.
Blue Socket
Quad-rank LRDIMM
Dual-rank DIMM
Single-rank DIMM
Quad-rank LRDIMM
Dual-rank DIMM
Dual-rank DIMM
Single-rank DIMM

DIMM Rank Classification Labels

DIMMs come in a variety of ranks: single, dual, or quad. Each DIMM is shipped with
a label identifying its rank classification. The following table identifies the label
corresponding to each DIMM rank classification:
DIMM Rank Classifications Labels
TABLE:
Rank Classification
Quad-rank LRDIMM
Dual-rank DIMM
Single-rank DIMM
Note – While single-rank DIMMs can be installed in the Sun Server X4-2, Oracle
does not offer any single-rank DIMMs for purchase, either as factory-installed
options or as separately orderable options.
White Socket
Empty
Empty
Empty
Quad-rank LRDIMM
Dual-rank DIMM
Single-rank DIMM
Single-rank DIMM
Label
4Rx4
2Rx4
1Rx4
Servicing CRUs That Require Server Power-Off
Speed
1600 MT/s
1600 MT/s
1600 MT/s
1600 MT/s
1600 MT/s
1600 MT/s
1600 MT/s
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