Dell EMC PowerEdge R840 Installation and Service Manual

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NVDIMM-N memory module installation guidelines

The following are the recommended guidelines for installing NVDIMM-N memory modules:
  • Each system supports memory configurations with 1, 2, 4, 6, or 12 NVDIMM-Ns.
  • Supported configurations have dual processors and a minimum of 12x RDIMMs.
  • Maximum of 12 NVDIMM-Ns can be installed in a system.
  • NVDIMM-Ns or RDIMMs must not be mixed with LRDIMMs.
  • DDR4 NVDIMM-Ns must be populated only on the black release tabs on processor 1 and 2.
  • For systems with four processors, RDIMMs populated on processor 3 and 4 must be identical to the number of RDIMMs populated on processor 1 and 2.
  • All slots on configurations 3, 6, 9, and 12 can be used, but a maximum of 12 NVDIMM-Ns can be installed in a system.
NOTE NVDIMM-N memory slots are not hot-pluggable.

For more information about the supported NVDIMM-N configurations, see the NVDIMM-N User Guide at www.dell.com/poweredgemanuals.

Table 1. Supported NVDIMM-N for dual processor configurationsThis table lists the supported NVDIMM-N configurations for dual processor system.
Configuration Description Memory population rules
RDIMMs NVDIMM-N
Configuration 1 12x 16 GB RDIMMs, 1x NVDIMM-N

Processor1  {A1, 2, 3, 4, 5, 6}
Processor2  {B1, 2, 3, 4, 5, 6}

Processor1 {A7}

Configuration 2 12x 32 GB RDIMMs, 1x NVDIMM-N

Same for all 12x RDIMM configurations. See Configuration 1.

Processor1 {A7}

Configuration 3 23x 32 GB RDIMMs, 1x NVDIMM-N

Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}  
Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}  

Processor2 {B12}

Configuration 4 12x 16 GB RDIMMs, 2x NVDIMM-Ns

Same for all 12x RDIMM configurations. See Configuration 1.

Processor1 {A7}

Processor2 {B7}

Configuration 5 12x 32 GB RDIMMs, 2x NVDIMM-Ns

Same for all 12x RDIMM configurations.  See Configuration 1.

Processor1 {A7}

Processor2 {B7}

Configuration 6 22x 32 GB RDIMMs, 2x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}

Processor1 {A12}

Processor2 {B12}

Configuration 7 12x 16 GB RDIMMs, 4x NVDIMM-Ns

Same for all 12x RDIMM configurations. See Configuration 1.

Processor1 {A7, A8}

Processor2 {B7, B8}

Configuration 8 22x 32 GB RDIMMs, 4x NVDIMM-Ns

Same for all 12x RDIMM configurations. See Configuration 1.

Processor1 {A7, A8}

Processor2 {B7, B8}

Configuration 9 20x 32 GB RDIMMs, 4x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Processor1 {A11, 12}

Processor2 {B11, 12}

Configuration 10 12x 16 GB RDIMMs, 6x NVDIMM-Ns

Same for all 12x RDIMM configurations. See Configuration 1.

Processor1 {A7, 8, 9}

Processor2 {B7, 8, 9}

Configuration 11 12x 32 GB RDIMMs, 6x NVDIMM-Ns

Same for all 12x RDIMM configurations. See Configuration 1.

Processor1 {A7, 8, 9}

Processor2 {B7, 8, 9}

Configuration 12 18x 32 GB RDIMMs, 6x NVDIMM-Ns

Processor1 {1, 2, 3, 4, 5, 6, 7, 8, 9}
Processor2 {1, 2, 3, 4, 5, 6, 7, 8, 9}

Processor1 {A10, 11, 12}

Processor2 {B10, 11, 12}

Configuration 13 12x 16 GB RDIMMs, 12x NVDIMM-Ns

Same for all 12x RDIMM configurations. See Configuration 1.

Processor1 {A7, 8, 9, 10, 11, 12}

Processor2 {B7, 8, 9, 10, 11, 12}

Configuration 14 12x 32 GB RDIMMs, 12x NVDIMM-Ns

Same for all 12x RDIMM configurations. See Configuration 1.

Processor1 {A7, 8, 9, 10, 11, 12}

Processor2 {B7, 8, 9, 10, 11, 12}

Table 2. Supported NVDIMM-N for quad processor configurationsThis table lists the supported NVDIMM-N configurations for quad processor system.
Configuration Description Memory population rules
RDIMMs NVDIMM-N
Configuration 1 24x 16 GB RDIMMs, 1x NVDIMM-N

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6},
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7}

Configuration 2 24x 32 GB RDIMMs, 1x NVDIMM-N

Same for all 24x RDIMM configurations. See Configuration 1.

Processor1 {A7}

Configuration 3 47x 32 GB RDIMMs, 1x NVDIMM-N

Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} ,
Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} ,
Processor3 {C1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
Processor 4 {D1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

Processor2 {B12}

Configuration 4 24x 16 GB RDIMMs, 2x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6}
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7},
Processor2 {B7}
Configuration 5 24x 32 GB RDIMMs, 2x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6},
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7},
Processor2 {B7}
Configuration 6 46x 32 GB RDIMMs, 2x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11},
Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} ,
Processor3 {C1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
Processor 4 {D1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

Processor1 {A12},
Processor2 {B12}
Configuration 7 24x 16 GB RDIMMs, 4x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6},
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7,8},
Processor2 {B7,8}
Configuration 8 24x 32 GB RDIMMs, 4x NVDIMMs

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6},
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7,8},
Processor2 {B7,8}
Configuration 9 44x 32 GB RDIMMs, 4x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
Processor3 {C1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
Processor4 {D1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

Processor1 {A11, 12},
Processor2 {B11, 12}
Configuration 10 24x 16 GB RDIMMs, 6x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6}
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7, 8, 9}
Processor2 {B7, 8, 9}
Configuration 11 24x 32 GB RDIMMs, 6x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6},
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7, 8, 9}
Processor2 {B7, 8, 9}
Configuration 12 42x 32 GB RDIMMs, 6x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, 9},
Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9}
Processor3 {C1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
Processor4 {D1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

Processor1 {A10,11,12}
Processor2 {B10, 11, 12}
Configuration 13 24x 16 GB RDIMMs, 12x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6},
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7, 8, 9, 10, 11, 12},
Processor2 {B7, 8, 9, 10, 11, 12}
Configuration 14 24x 32 GB RDIMMs, 12x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6},
Processor3 {C1, 2, 3, 4, 5, 6}
Processor4 {D1, 2, 3, 4, 5, 6}

Processor1 {A7, 8, 9, 10, 11, 12},
Processor2 {B7, 8, 9, 10, 11, 12}
Configuration 15 36x 32 GB RDIMMs, 12x NVDIMM-Ns

Processor1 {A1, 2, 3, 4, 5, 6},
Processor2 {B1, 2, 3, 4, 5, 6},
Processor3 {C1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
Processor 4 {D1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

Processor1 {A7, 8, 9, 10, 11, 12},
Processor2 {B7, 8, 9, 10, 11, 12}

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