Hp ProLiant DL380e Gen8 Server Bedienungsanleitung PDF herunterladen (Seite 62)

Hardware options installation 62

DIMM identification

To determine DIMM characteristics, use the label attached to the DIMM and the following illustration and

table.

Item Description Definition

Size —

Rank 1R = Single-rank

2R = Dual-rank

3R = Three-rank

4R = Quad-rank

Data width x4 = 4-bit

x8 = 8-bit

Voltage rating L = Low voltage (1.35V)

U = Ultra low voltage (1.25V)

Blank or omitted = Standard

Memory speed 12800 = 1600-MT/s

10600 = 1333-MT/s

8500 = 1066-MT/s

DIMM type R = RDIMM (registered)

E = UDIMM (unbuffered with ECC)

L = LRDIMM (load reduced)

For more information about product features, specifications, options, configurations, and compatibility, see

the product QuickSpecs on the HP Product Bulletin website (http://www.hp.com/go/productbulletin).

Single-rank and dual-rank DIMMs

DIMM configuration requirements are based on these classifications:

• Single-rank DIMM—One set of memory chips that is accessed while writing to or reading from the

memory.

• Dual-rank DIMM—Two single-rank DIMMs on the same module, with only one rank accessible at a time.

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Hp ProLiant DL380e Gen8 Server Bedienungsanleitung Seite 62