Chapter 3: Maintenance and Component Installation
40
DDR4 Memory Population Guidelines
The following memory population table was created based on guidelines provided by Intel to
support Altos motherboards.
Memory Population for DDR4-only Configurations, 32 DIMM Slots
CPUs/DIMMs
DIMM Slots
2 CPUs & 2 DIMMs*
CPU1: A1
CPU2: A1
2 CPUs & 4 DIMMs*
CPU1: A1, E1
CPU2: A1, E1
2 CPUs & 6 DIMMs
CPU1: A1, C1, E1, G1
CPU2: A1, E1
2 CPUs & 8 DIMMs*
CPU1: A1, C1, E1, G1
CPU2: A1, C1, E1, G1
2 CPUs & 10 DIMMs
CPU1: A1, B1, C1, E1, F1, G1
CPU2: A1, C1, E1, G1
2 CPUs & 12 DIMMs*
CPU1: A1, B1, C1, E1, F1, G1
CPU2: A1, B1, C1, E1, F1, G1
2 CPUs & 14 DIMMs
CPU1: A1, B1, C1, D1, E1, F1, G1, H1
CPU2: A1, B1, C1, E1, F1, G1
2 CPUs & 16 DIMMs*
CPU1: A1, B1, C1, D1, E1, F1, G1, H1
CPU2: A1, B1, C1, D1, E1, F1, G1, H1
2 CPUs & 18 DIMMs
CPU1: A1, A2, B1, C1, C2, D1, E1, E2, F1, G1, G2, H1
CPU2: A1, B1, C1, E1, F1, G1
2 CPUs & 20 DIMMs
CPU1: A1, A2, B1, C1, C2, D1, E1, E2, F1, G1, G2, H1
CPU2: A1, B1, C1, D1, E1, F1, G1, H1
2 CPUs & 22 DIMMs
CPU1: A1, A2, B1, B2, C1, C2, D1, D2, E1, E2, F1, F2, G1, G2, H1, H2
CPU2: A1, B1, C1, E1, F1, G1
2 CPUs & 24 DIMMs*
CPU1: A1, A2, B1, B2, C1, C2, D1, D2, E1, E2, F1, F2, G1, G2, H1, H2
CPU2: A1, B1, C1, D1, E1, F1, G1, H1
2 CPUs & 28 DIMMs
CPU1: A1, A2, B1, B2, C1, C2, D1, D2, E1, E2, F1, F2, G1, G2, H1, H2
CPU2: A1, A2, B1, C1, C2, D1, E1, E2, F1, G1, G2, H1
2 CPUs & 32 DIMMs*
CPU1: A1, A2, B1, B2, C1, C2, D1, D2, E1, E2, F1, F2, G1, G2, H1, H2
CPU2: A1, A2, B1, B2, C1, C2, D1, D2, E1, E2, F1, F2, G1, G2, H1, H2
* recommended for optimal performance
•
Other Intel validated memory configurations are supported, although they may not provide
optimal performance. See Intel documentation for more information.
•
Must have at least one DIMM per CPU.