Lenovo Flex System x240 Betriebsanweisung PDF herunterladen (Seite 15)

Flex System x240 Compute Node (E5-2600 v2) 15

Table 8. Maximum memory speeds (Part 2 - Single-rank and dual-rank RDIMMs)

Specification RDIMMs

Rank Single rank Dual rank

Part numbers 00D5024 (4 GB)

00D5036 (8 GB)

00D5044 (8 GB)

46W0672 (16 GB)

00D5028 (4 GB)

00D5040 (8 GB)

00D5048 (16 GB)

Rated speed 1600 MHz 1600 MHz 1866 MHz

Rated voltage 1.35 V 1.35 V 1.5 V

Operating voltage 1.35 V 1.5 V 1.35 V 1.5 V 1.5 V

Max quantity† 24 24 24 24 24

Largest DIMM 8 GB 8 GB 16 GB 16 GB 16 GB

Max memory

capacity

192 GB 192 GB 384 GB 384 GB 384 GB

Max memory at

rated speed

None 128 GB None 256 GB 256 GB

Maximum operating speed (MHz)

One DIMM per

channel

1333 MHz 1600 MHz 1333 MHz 1600 MHz 1866 MHz

Two DIMMs per

channel

1333 MHz 1600 MHz 1333 MHz 1600 MHz 1866 MHz

Three DIMMs per

channel

1066 MHz 1066 MHz 1066 MHz 1333 MHz /

1066 MHz*

1333 MHz /

1066 MHz**

† The maximum quantity that is supported is shown for two processors installed. When one processor is installed,

the maximum quantity that is supported is half of that shown.

* 00D5044 (8 GB) operates at 1066 MHz at three DIMMs per channel; 46W0672 (16 GB) operates at 1333 MHz at

three DIMMs per channel

** 00D5028 (4 GB) and 00D5040 (8 GB) operate at 1066 MHz at three DIMMs per channel; 00D5048 (16 GB)

operates at 1333 MHz at three DIMMs per channel

The following memory protection technologies are supported:

ECC



Chipkill (for x4-based memory DIMMs -- look for "x4" in the DIMM description)



Memory mirroring



Memory sparing



If memory mirroring is used, then DIMMs must be installed in pairs (minimum of one pair per CPU), and

both DIMMs in a pair must be identical in type and size.

If memory rank sparing is used, then a minimum of one quad-rank DIMM or two single-rank or dual-rank

DIMMs must be installed per populated channel (the DIMMs do not need being identical). In rank sparing

mode, one rank of a DIMM in each populated channel is reserved as spare memory. The size of a rank

varies depending on the DIMMs installed.

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