Dell PowerEdge M820 Systems Informatie-update - Pagina 2

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Low Voltage Memory Modules (DDR3L DIMMs)

Intel Xeon 5600 series processors support DDR3L DIMMs enabling a lower

operating voltage (1.35 V) that ensures memory power savings up to 20% per

DIMM. DDR3L memory is backward-compatible to Intel Xeon 5500 series and

operates at standard voltage (1.5 V) without any limitations.

Operating the system memory at a lower voltage may cause restrictions to

additional frequency and memory population capabilities. For example,

populating three memory modules per channel is not supported at 1.35 V.

Systems with 1.35 V DDR3L memory operates the memory modules at 1.5 V

if any of the following conditions exist:

•

Intel Xeon 5500 series processors

•

Two 1333 MHz DIMMs per channel

•

A combination of both standard and low voltage memory modules

For information on the memory configuration guidelines, see your system's

Hardware Owner's Manual at support.dell.com/manuals.

NOTE:

BIOS setup options allow the user to control frequency and voltage

configuration within allowable limits.

New BIOS Setup Options

Integrated Devices Screen

Option

SR-IOV-Global Enable

(Disabled default)

Description

Enables/disables BIOS configuration of Single Root

I/O Virtualization (SR-IOV) devices.

NOTE:

Applies to PowerEdge R410, R510, R610, R710, R910,

T410, T610, and T710 systems only.