Dell R710, R610, M610, T610, T710 User Manual

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QuickInstallingReferenceandGuideUpgradingfor New DellDDR3PowerEdgeM mory:Servers

August 19, 2009

Thomas Cloyd – Dell, Inc. | Server Product Group

Introduction

This paper provides memory guidance at time of system purchase for later memory upgrades for Dell 11th Generation – 610 and 710 Series – PowerEdge Servers. The purpose is to understand what Dell will support, simplify terminology, and describe rules when installing memory with examples of upgrade paths.

Quick Reference Guide

Table 1 is intended for quick reference in order to understand what Dell will support and the rules governing memory configurations.

Table 1: Quick Reference Memory Guide

 

DIMM Feature

Combine

 

Rules

 

Mixed Type

 

No

 

Not Supported

 

(RDIMM / UDIMM)

 

 

 

 

 

 

 

 

 

 

 

 

Single (SR) and Dual Rank (DR) DIMMs can be mixed. If mixing SR or DR with

 

 

 

 

 

Quad Rank (QR) DIMMs, the first slot of each channel populated (first two

 

Mixed Ranks

Yes

 

white tab DIMM slots on each processor: A1, A2, B1 & B2) must be

 

 

 

 

populated with the QR DIMM. Only two QR DIMMs are permitted per

 

 

 

 

channel because the maximum of total ranks per channel is 8.

 

 

 

 

 

All populated channels must have the same DIMM arrangement. Example

 

Mixed Capacity

Yes

 

with Channel 1: if bank A is populated with a 4GB DIMM (slot A1), bank B

 

 

with 2GB (slot A4) and Bank C is empty (slot A7), all memory Channels must

 

 

 

 

 

 

 

 

 

 

be populated that way. (see figure 5)

 

 

 

 

 

If memory modules (DIMMS) with different speeds are installed, all DIMMs

 

 

 

 

 

will operate at the speed of the slowest installed DIMM.

 

Mixed Speeds

Yes

 

Also, if any DIMMS (regardless of speed) are installed in the third bank

 

 

(bank C: slots A/B 7, 8 or 9), the maximum system memory speed will be

 

 

 

 

 

 

 

 

 

 

800MHz. This is the current maximum frequency supported by Intel and

 

 

 

 

 

Dell, when DIMMS are installed in slots 7, 8 & 9.

 

 

 

 

 

Any Dell sourced DDR3 DIMMs are supported, regardless of vendor or

 

Mixed Vendors

Yes

 

vendor mix. Where possible, Dell recommends using the same DIMM

 

 

 

 

 

manufacturer.

Identifying the correct DIMM slots in 610 and 710 Series servers (M/R/T610 and M/R/T710 servers)

Pre-existing DIMM positions may not be correct for upgrading. When upgrading memory modules, you must follow these population guidelines. Incorrect population will result in BIOS warnings or errors.

Dell R710, R610, M610, T610, T710 User Manual

PowerEdge M710/R710/T710

Figure 1: This is the physical memory layout on the R710/M710/T710 (technical schematic). White tabs indicate first slot of each channel.

A1

A4

A7

A2

A5

A8

A3

A6

A9

B9

B6

B3

B8

B5

B2

B7

B4

B1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU A

CPU B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ch 1

Ch 2

Ch 3

Ch 3

Ch 2

Ch 1

Memory Channels

 

 

Memory Channels

************************

PowerEdge M610/R610/T610

Figure 2: This is the physical memory layout on the M610/R610/T10 (technical schematic). White tabs indicate first slot of each channel.

A1

A4

A2

A5

A3

A6

B6

B3

B5

B2

B4

B1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU A

CPU B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ch 1

Ch 2

Ch 3

Ch 3

Ch 2

Ch 1

Memory Channels

Memory Channels

************************

Overview Intel Architecture

Dell 11Th Generations servers (610 & 710 Series) released March 2009 use the new Intel® Xeon™ 5500 series CPUs that support the new DDR3 memory technology. Each CPU has three separate memory controller hubs (MCHs). Figure 1 illustrates this new CPU architecture and memory layout for 18 DIMM systems – the 710 Series servers.

Due to this new technology, there are limitations on memory speed. Total system memory speed is dependent on the CPU, DIMMs populated per channel, and the DIMM ranking. For example, one restriction is that Quad Rank (QR) DIMMs must be the first DIMM installed in a channel (memory bank #1).*

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