Mode-Specific Guidelines - Dell EMC PowerEdge R840 Installation And Service Manual

Configuration
Configuration 9
Configuration 10
Configuration 11
Configuration 12
Configuration 13
Configuration 14
Configuration 15

Mode-specific guidelines

Six memory channels are allocated to each processor. The configurations allowed depend on the memory mode selected.
70 Installing and removing system components
Description
44x 32GB RDIMMs, 4x
NVDIMM-Ns
24x 16GB RDIMMs, 6x
NVDIMM-Ns
24x 32GB RDIMMs, 6x
NVDIMM-Ns
42x 32GB RDIMMs, 6x
NVDIMM-Ns
24x 16GB RDIMMs, 12x
NVDIMM-Ns
24x 32GB RDIMMs, 12x
NVDIMM-Ns
36x 32GB RDIMMs, 12x
NVDIMM-Ns
Memory population rules
RDIMMs
CPU1{A1,2,3,4,5,6,7,8,9,10},
CPU2{B1,2,3,4,5,6,7,8,9,10},
CPU3{C1,2,3,4,5,6,7,8,9,10,11,12},
CPU4{D1,2,3,4,5,6,7,8,9,10,11,12}
CPU1{A1,2,3,4,5,6},
CPU2{B1,2,3,4,5,6},
CPU3{C1,2,3,4,5,6},
CPU4{D1,2,3,4,5,6}
CPU1{A1,2,3,4,5,6},
CPU2{B1,2,3,4,5,6},
CPU3{C1,2,3,4,5,6},
CPU4{D1,2,3,4,5,6}
CPU1{A1,2,3,4,5,6,7,8,9},
CPU2{B1,2,3,4,5,6,7,8,9},
CPU3{C1,2,3,4,5,6,7,8,9,10,11,12},
CPU4{D1,2,3,4,5,6,7,8,9,10,11,12}
CPU1{A1,2,3,4,5,6},
CPU2{B1,2,3,4,5,6},
CPU3{C1,2,3,4,5,6},
CPU4{D1,2,3,4,5,6}
CPU1{A1,2,3,4,5,6},
CPU2{B1,2,3,4,5,6},
CPU3{C1,2,3,4,5,6},
CPU4{D1,2,3,4,5,6}
CPU1{A1,2,3,4,5,6},
CPU2{B1,2,3,4,5,6},
CPU3{C1,2,3,4,5,6,7,8,9,10,11,12},
CPU4{D1,2,3,4,5,6,7,8,9,10,11,12}
NVDIMM-N
CPU1{A11,12},
CPU2{B11,12}
CPU1{A7,8,9},
CPU2{B7,8,9}
CPU1{A7,8,9},
CPU2{B7,8,9}
CPU1{A10,11,12},
CPU2{B10,11,12}
CPU1{A7,8,9,10,11,12},
CPU2{B7,8,9,10,11,12}
CPU1{A7,8,9,10,11,12},
CPU2{B7,8,9,10,11,12}
CPU1{A7,8,9,10,11,12},
CPU2{B7,8,9,10,11,12}