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Dell Memory RAS Features, R810 and M910 With 16 Identical DIMMs, 1 DIMM Per Channel, Sparing

Models: M910 R810 R910

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PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance

Figure 9. R810 and M910 With 16 Identical DIMMs, 1 DIMM Per Channel

Memory RAS Features

Sparing

For Rank sparing, one rank on each lock-step Millbrook pair will be reserved as a spare, and in the event that another rank exceeds a threshold of correctable ECC errors, the “failing” rank will be copied to the spare. After that operation is complete, the failed rank will be disabled.

For Dual rank DIMMs: 1 rank within a DIMM is used as a spare

For Quad rank DIMMs: 1 or 2 ranks within a DIMM are used as a spare

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Dell R910 manual Memory RAS Features, R810 and M910 With 16 Identical DIMMs, 1 DIMM Per Channel, Sparing

Contents

Armando Acosta and James Pledge Dell PowerEdge 11th Generation Servers R810 R910, and M910 MemoryGuidance A Dell Technical White Paper Dell Product GroupMarch Page Memory RAS Features ContentsPowerEdge R810 and M910 PowerEdge R910Quick Reference Guide Terminology Definitions IntroductionMixed Capacity Quick Reference R810, R910, and M910 Memory GuideQuick Comparison Intel Xeon 5500-5600 Series to Intel Xeon Overview Intel ArchitectureMemory RAS Features PowerEdge R810 and M910FlexMem Bridge Technology Hemisphere ModePage Figure 1. FlexMem Bridge IllustrationFigure 2. R810 and M910 Series Servers Memory Illustration PowerEdge R910Best Performance Better PerformanceFigure 3. R910 Series Servers Memory Illustration Good Performance 2.00 GHz 2.26 GHz1.86 GHz 2.00 GHzPage Figure 6. R910 With 64 Identical DIMMs, 2 DIMMs Per ChannelPage Figure 7. R810 or M910 With 32 Identical DIMMs, 2 DIMMs Per ChannelPage Figure 8. R910 With 32 Identical DIMMs, 1 DIMM Per ChannelMemory RAS Features Figure 9. R810 and M910 With 16 Identical DIMMs, 1 DIMM Per ChannelSparing Mirroring Figure 10. Example of Sparing for Dual Rank and Quad Rank DIMMsFigure 11. Example of R910 Intra-Socket Mirroring Page Figure 12. Example of R810 and M910 Intra-Node MirroringFigure 13. Example of R810 and M910 Inter-Socket Mirroring Intel Xeon ProcessorMax Memory Speed