Page 3 - Page 1; Contents; Tables
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 1 Contents Introduction ........................................................................................................... 2 Quick Reference Guide (Terminology Definitions) ............................................
Page 4 - Page 2; Introduction; MC: Memory Controller
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 2 Introduction This paper serves as memory guidance for Dell™ 11th Generation PowerEdge™ R810, R910, and M910 servers released March 2010 using the new Intel® Xeon® 7500 and 6500 series processors that support DDR3 memory t...
Page 5 - Overview Intel Architecture; Mixed Capacity
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 3 Sparing (DIMM and Rank): The system allocates a Rank or DIMM per channel as a Spare memory region, and is able to move a Rank or DIMM exhibiting correctable errors to the Spare while the operating system is running. RDIMM...
Page 6 - FlexMem Bridge Technology
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 4 bin SKUs) (Slower with QR DIMMs) Minimum memory population 1 DIMM 2 DIMMs (must populate with identical DIMM pairs) Hemisphere Mode No Yes Memory RAS Features ECC, DIMM Sparing, Lock-step, Mirroring, x4 or x8 SDDC Enhance...
Page 7 - Page 5; FlexMem Bridge Illustration
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 5 Figure 1. FlexMem Bridge Illustration
Page 8 - Page 6; R810 and M910 Series Servers Memory Illustration; The DDR3
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 6 Figure 2. R810 and M910 Series Servers Memory Illustration Note: This illustration is not a technical schematic of a motherboard. DIMMs A1-A8 correspond to CPU 1, DIMMs B1-B8 correspond to CPU 2, DIMMs C1-C8 correspond to...
Page 9 - Page 7; R910 Series Servers Memory Illustration; riser. A system can operate with only one riser per CPU.; B e st Pe r fo r ma nc e
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 7 The R910 has eight memory risers; each memory riser has two Millbrook memory buffers and eight DIMM slots. Figure 3. R910 Series Servers Memory Illustration Note: This illustration is not a technical schematic of a mother...
Page 10 - Page 8; G o od P erf o rma nc e; equally and always pair DIMMs identically.
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 8 G o od P erf o rma nc e 2 DIMMS per Memory Buffer Channel, all memory controllers populated equally with 32 DIMMs and 4 Memory Risers (R910), lower maximum bandwidth, higher latency 1 DIMM per Memory Buffer Channel, all m...
Page 11 - Page 9; Series Processors
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 9 Figure 5. M910/R810 Relative Memory Bandwidth for the Intel Xeon 6500 and 7500 Series Processors Xeon X7560, 8C 2.26 GHz 6.40 QPI 1066 MTs Xeon E7540, 6C 2.00 GHz 6.40 QPI 1066 MTs Xeon L7555, 8C 1.86 GHz 5.86 QPI 1066 MT...
Page 12 - R910 With 64 Identical DIMMs, 2 DIMMs Per Channel
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 10 Figure 6. R910 With 64 Identical DIMMs, 2 DIMMs Per Channel
Page 14 - R910 With 32 Identical DIMMs, 1 DIMM Per Channel
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 12 Figure 8. R910 With 32 Identical DIMMs, 1 DIMM Per Channel
Page 15 - Memory RAS Features; Sparing
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 13 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 ...
Page 16 - Example of Sparing for Dual Rank and Quad Rank DIMMs; Mirroring
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 14 Figure 10. Example of Sparing for Dual Rank and Quad Rank DIMMs Mirroring For mirroring, the R910 will support 2P/4P configurations for >= 64 GB only. The R810 and M910 support mirroring in 32 DIMM configurations >...
Page 17 - Example of R910 Intra-Socket Mirroring
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 15 Figure 11. Example of R910 Intra-Socket Mirroring Note: A1, A3 are mirrored to A2, A4; B1, B3 are mirrored to B2, B4; C1, C3 are mirrored to C2, C4; D1, D3 are mirrored to D2, D4; E1, E3 are mirrored to E2, E4; F1, F3 ar...
Page 18 - Example of R810 and M910 Intra-Node Mirroring
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 16 Figure 12. Example of R810 and M910 Intra-Node Mirroring For 4P, the R810 will also support mirroring in the inter-socket mode. In this 4P case, the memory on CPU 1 will be mirrored with memory on CPU 3, while memory on ...
Page 19 - Example of R810 and M910 Inter-Socket Mirroring; Intel Xeon Processor; All 6500 series processors are only
PowerEdge 11th Generation Servers: R810, R910, and M910 Memory Guidance Page 17 Figure 13. Example of R810 and M910 Inter-Socket Mirroring Table 3. Intel Xeon 7500/6500 Series Processor Performance and Max Memory Speed Intel Xeon Processor Max Memory Speed 130 Watt X7560 * 1066 MTs 130 Watt X7550 * ...