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Dell R910 manual

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Table of contents for the manual

  • Page 1

    Dell P owerEdge 11 th Generation Servers: R8 10, R910, and M91 0 Memory Guidance A Dell Technical White Paper Dell │ Product Group Armando Acosta and Ja mes Pledge[...]

  • Page 2

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page ii THIS WHITE PA PER IS FOR INFO RMATIONAL PURPOS ES ONLY, AND MA Y CONTAIN TYP OGRAPHICAL ERRORS AND TECHNICAL INACCURACIES. THE CONTENT IS PRO VIDED AS IS, WITHOUT EXPRESS O R IMPLIED WARRA NTIES OF ANY KIN D. © 2010 Dell Inc . All righ ts reserv e d . Reprodu cti[...]

  • Page 3

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 1 Contents Introduction ........................................................................................................... 2 Quick Reference Guide (Te rmin ol ogy Definit ions) .............................................................. 2 Overview Intel A[...]

  • Page 4

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 2 Introduction This paper se rves as mem o ry guidan ce f or Dell ™ 11th Generation PowerEdge ™ R810 , R910 , and M910 s ervers relea sed M arch 20 10 using the new Intel® Xeon ® 7 500 and 65 00 series proc essors th at support DDR3 memory technology. This docu[...]

  • Page 5

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 3 Sparing (DIMM and Rank): The system allocates a Rank or DI M M per channel a s a Spare me mor y region, and is able to move a Rank or D IMM exhibit in g correctab l e errors to the Spare wh il e the operat ing system is running. RDIMM: Registered DIMMs. Address, Co[...]

  • Page 6

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 4 bin SKUs) (Slower with QR DIMMs) Minimum me mor y pop ul a tion 1 DIMM 2 DIMMs (must populate with identical DIMM pairs) Hemisphere Mode No Yes Memory RAS Features ECC, DIMM Spa ring, Lock -step, Mirroring, x4 or x8 SDDC Enhanced ECC, DIMM sp ari ng, Lock - step, M[...]

  • Page 7

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 5 Figure 1. FlexMem Bri dge Illustration[...]

  • Page 8

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 6 Figure 2. R8 10 and M910 Se ries Servers Memory I llus tration Note : This illustration is not a techni cal schemat ic of a mothe rboard. DIMMs A1 - A8 corr e s pond to CPU 1, DIMMs B1 - B8 corre sp ond to CPU 2, DIMMs C1 - C8 correspond t o CPU 3, and DIMMs D1 - D[...]

  • Page 9

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 7 The R910 has eight memory risers; each memory ri se r has two Mil l b rook memor y bu ffers and eight DIMM slots. Figure 3. R9 10 Series Serv ers Memory I llustration Note : This illustration is not a techn ical sche matic of a moth erboard. DIMMs in Riser s A and [...]

  • Page 10

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 8 Good Perfo rmance 2 D IMMS per Memory Buffer C hannel, all memory controllers populated equally with 32 DIMMs a nd 4 Memory Riser s (R910), l ower maxi mu m bandwidth , higher lat e n cy 1 D IMM per Memory B uff er C hannel, all memory controllers populated equally[...]

  • Page 11

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 9 Figure 5. M910/R810 Relative Memory Bandwidth for the Intel Xeon 6 500 and 7 500 Series Process ors Xeon X7560, 8C 2.26 GHz 6.4 0 QPI 1066 MTs Xeon E7540, 6 C 2.00 GHz 6.4 0 QPI 1066 MTs Xeon L7555, 8 C 1.86 GHz 5.86 QPI 1066 MTs Xeon L7545, 6 C 1.86 GHz 5.86 QPI 9[...]

  • Page 12

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 10 Figure 6. R910 With 64 I dentical DIMMs , 2 D IMMs Per Channel[...]

  • Page 13

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 11 Figure 7. R810 or M910 With 32 I dentical DIMMs , 2 DIMMs P er Channel[...]

  • Page 14

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 12 Figure 8. R910 With 32 I dentical DIMMs , 1 D IMM Per C hannel[...]

  • Page 15

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 13 Figure 9. R810 and M910 With 16 I dentical DIMMs , 1 D IMM Per C hannel Memory RAS Featu r es Sparing For Rank spa r ing, one rank on each lock - step Mill b rook pair will be reserved as a spare, and in the event that another rank exceeds a threshold of correctab[...]

  • Page 16

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 14 Figure 10. Example of Sparing for Dual Rank and Quad Rank DIMMs Mirrorin g For mirroring , the R910 will support 2 P/4P configurations for >= 64 GB only. The R810 and M910 support mirroring in 3 2 DIM M confi gur ati ons >= 64 GB only. When mirrori ng is ena[...]

  • Page 17

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 15 Figure 11. Example of R910 I ntra - Socket Mirroring Note : A1, A3 are mi r rored t o A2, A4; B1, B3 are m irrored t o B2, B4; C 1, C3 ar e mirrore d to C2, C4; D1, D3 are mirrore d to D2, D4; E1, E3 a re mirrored to E2, E 4; F1, F3 are mir rored to F2, F 4; G1, G[...]

  • Page 18

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 16 Figure 12. Examp le of R810 and M910 Intra - N ode Mirroring For 4P, the R810 will also support mirroring in the inter - socket mod e . In this 4P case , the memory on CPU 1 will be mirr ored wit h memory on CPU 3, while memory on CPU 2 is mirrored w ith memory on[...]

  • Page 19

    Powe rEdge 11th Generation Servers: R810, R 9 10, and M 910 Memor y Guidanc e Page 17 Figure 13. Example of R810 and M910 Int er - S ocket Mirrori ng Table 3. Intel Xeon 75 00 / 6500 Series P rocessor Perform ance and Max Memo ry Speed Intel Xe on P rocess or Max Memory Speed 130 Watt X 7560 * 1066 MTs 130 Watt X 7550 * 1066 M Ts 130 Watt X 7542 * [...]