Dell PowerEdge T640 EMC PowerEdge T640 Installation and Service Manual - Page 111

NVDIMM-N memory module installation guidelines

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• Populate six identical memory modules per processor (one DIMM per channel) at a time to maximize performance. DIMM population update for Performance Optimized mode with quantity of 4 and 8 DIMMs per processor. • When the DIMM quantity is 4 per processor, the population is slot 1, 2, 4, 5. • When the DIMM quantity is 8 per processor, the population is slot 1, 2, 4, 5, 7, 8, 10, 11 (2-2-2 platforms). 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. • 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. For more information on the supported NVDIMM-N configurations, see the NVDIMM-N User Guide at www.dell.com/poweredgemanuals. Table 38. Supported NVDIMM-N for dual processor configurations Configuration Configuration 1 Description 12x 16 GB RDIMMs, 1x NVDIMM-N Memory population rules RDIMMs Processor1 {A1, 2, 3, 4, 5, 6} Processor2 {B1, 2, 3, 4, 5, 6} NVDIMM-N 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, Processor2 {B12} 9, 10, 11, 12} Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} Configuration 4 Configuration 5 Configuration 6 12x 16 GB RDIMMs, 2x NVDIMM-Ns 12x 32 GB RDIMMs, 2x NVDIMM-Ns 22x 32 GB RDIMMs, 2x NVDIMM-Ns Same for all 12x RDIMM configurations. See Configuration 1. Processor1 {A7} Processor2 {B7} Same for all 12x RDIMM configurations. See Configuration 1. Processor1 {A7} Processor2 {B7} Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, Processor1 {A12} 9, 10, 11} Processor2 {B12} Processor2 {B1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} Configuration 7 Configuration 8 Configuration 9 12x 16 GB RDIMMs, 4x NVDIMM-Ns 22x 32 GB RDIMMs, 4x NVDIMM-Ns 20x 32 GB RDIMMs, 4x NVDIMM-Ns Same for all 12x RDIMM configurations. See Configuration 1. Processor1 {A7, A8} Processor2 {B7, B8} Same for all 12x RDIMM configurations. See Configuration 1. Processor1 {A7, A8} Processor2 {B7, B8} Processor1 {A1, 2, 3, 4, 5, 6, 7, 8, Processor1 {A11, 12} 9, 10} Processor2 {B1, 2, 3, 4, 5, 6, 7, Processor2 {B11, 12} 8, 9, 10} Installing and removing system components 111

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•
Populate six identical memory modules per processor (one DIMM per channel) at a time to maximize performance.
DIMM population update for Performance Optimized mode with quantity of 4 and 8 DIMMs per processor.
•
When the DIMM quantity is 4 per processor, the population is slot 1, 2, 4, 5.
•
When the DIMM quantity is 8 per processor, the population is slot 1, 2, 4, 5, 7, 8, 10, 11 (2-2-2 platforms).
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.
•
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.
For more information on the supported NVDIMM-N configurations, see the
NVDIMM-N User Guide
at
www.dell.com/poweredgemanuals
.
Table 38. Supported NVDIMM-N for dual processor configurations
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}
Installing and removing system components
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