CX2550/60/70 M4
Upgrade and Maintenance Manual
185
Main memory
7.1.1
Memory sequence
– Populate memory slot 1 / channel A (DIMM-1A) first.
– Within the 6 channels, memory slot 1 must be populated prior to slot 2.
– If memory modules with different capacities are used:
– Install modules with higher capacities first.
– Within a channel, install modules in descending order of capacity.
– If memory modules with different speeds are used, the lowest clock rate
applies for all DIMMs.
Minimum configuration
Minimum configuration is 2x CPU and 2x memory.
Maximum configurations
– up to 3TB using LRDIMM
– up to 6TB using AEP
First Memory (one module) has to be selected for an orderable basic unit per
CPU.
– Memory upgrade is possible by 1x memory units.
– SDDC (Chipkill) is supported for memory modules.
Summary of Contents for PRIMERGY CX2550 M4
Page 6: ...6 Upgrade and Maintenance Manual CX2550 60 70 M4 ...
Page 20: ...Upgrade and Maintenance Manual CX2550 60 70 M4 Contents ...
Page 46: ...46 Upgrade and Maintenance Manual CX2550 60 70 M4 Important information ...
Page 70: ...70 Upgrade and Maintenance Manual CX2550 60 70 M4 Basic hardware procedures ...
Page 114: ...114 Upgrade and Maintenance Manual CX2550 60 70 M4 Expansion cards and OCP mezzanine cards ...
Page 182: ...182 Upgrade and Maintenance Manual CX2550 60 70 M4 Expansion cards and OCP mezzanine cards ...
Page 192: ...192 Upgrade and Maintenance Manual CX2550 60 70 M4 Main memory Figure 85 Memory dummy module ...
Page 204: ...204 Upgrade and Maintenance Manual CX2550 60 70 M4 Main memory ...
Page 320: ...320 Upgrade and Maintenance Manual CX2550 60 70 M4 System board and components ...
Page 356: ...356 Upgrade and Maintenance Manual CX2550 60 70 M4 GPGPU extension tray ...
Page 418: ...418 Upgrade and Maintenance Manual CX2550 60 70 M4 SXM2 extension tray ...
Page 454: ...454 Upgrade and Maintenance Manual CX2550 60 70 M4 Appendix ...