Lenovo System x3550 M5 Manuel du produit - Page 12

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Part

Feature

number

codes*

00MU402 ASCN / ASCZ

00KA076 A5BM / A5C1

00MU403 ASCP / ASD0

00MU404 ASCQ / ASD1

00MU405 ASCR / ASD2

00KF584

ARZ8 / ARZ9

* The first feature code is for the first processor; the second feature code is for the second processor.

Memory

System x3550 M5 supports TruDDR4 Memory. TruDDR Memory uses the highest-quality components

sourced from Tier 1 DRAM suppliers and only memory that meets our strict requirements is selected. It is

compatibility tested and tuned on every System x server to maximize performance and reliability. TruDDR4

Memory will have a unique signature programmed into the DIMM, which will enable System x servers to

verify whether the memory installed is qualified/supported. Because TruDDR4 Memory is authenticated,

certain extended memory performance features can be enabled to extend performance over industry

standards. From a service and support standpoint, System x memory automatically assumes the system's

warranty, and service and support provided worldwide.

The server supports up to 12 DIMMs when one processor is installed and up to 24 DIMMs when two

processors are installed. Each processor has four memory channels, and there are three DIMMs per

channel.

The following rules apply when selecting the memory configuration:

The server supports RDIMMs and LRDIMMs.

Mixing different types of memory (RDIMMs and LRDIMMs) is not supported.

The maximum quantity of DIMMs that can be installed in the server depends on the number of

processors.

All DIMMs in the server operate at the same speed, which is determined as the lowest value of the

following speeds:

Memory speed that is supported by the specific processor.

Lowest of maximum operating speeds for selected memory configuration that depends on

quantity of DIMMs per channel, as shown under "Maximum operating speed" in Table 5.

The following memory protection technologies are supported:

ECC

Chipkill (for x4-based memory DIMMs)

Chipkill works only in independent channel mode (the default operational mode) and supports only x4-

based memory DIMMs.

Lenovo System x3550 M5

Description

Intel Xeon Processor E5-2685 v3 12C 2.6GHz 30MB 2133MHz 120W

Intel Xeon Processor E5-2690 v3 12C 2.6GHz 30MB 2133MHz 135W

Intel Xeon Processor E5-2695 v3 14C 2.3GHz 35MB 2133MHz 120W

Intel Xeon Processor E5-2697 v3 14C 2.6GHz 35MB 2133MHz 145W

Intel Xeon Processor E5-2698 v3 16C 2.3GHz 40MB 2133MHz 135W

Intel Xeon Processor E5-2699 v3 18C 2.3GHz 45MB 2133MHz 145W

Standard

models

where

used

L2x

N2x

M2x