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###### Dual-Processor Module Configurations

In dual-processor module configurations, two processor modules are installed in the server. Memory configuration must be the same in both processor modules (same number of DIMMs in both processor modules).

Table 20 Supported Memory Configurations (Dual-Processor Module Configurations)

Total Amount of Memory | Processor Module 0 | Processor Module 1
--- | --- | ---
128 Gbytes | Half-Populated Processor Module 4-Gbyte DIMMs in CMP 1 group 4-Gbyte DIMMs in CMP 0 group | Half-Populated Processor Module 4-Gbyte DIMMs in CMP 1 group 4-Gbyte DIMMs in CMP 0 group
256 Gbytes | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 4-Gbyte DIMMs in CMP 1 group 4-Gbyte DIMMs in CMP 0 group | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 4-Gbyte DIMMs in CMP 1 group 4-Gbyte DIMMs in CMP 0 group
256 Gbytes | Half-Populated Processor Module 8-Gbyte DIMMs in CMP 1 group 8-Gbyte DIMMs in CMP 0 group | Half-Populated Processor Module 8-Gbyte DIMMs in CMP 1 group 8-Gbyte DIMMs in CMP 0 group
512 Gbytes | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 8-Gbyte DIMMs in CMP 1 group 8-Gbyte DIMMs in CMP 0 group | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 8-Gbyte DIMMs in CMP 1 group 8-Gbyte DIMMs in CMP 0 group
512 Gbytes | Half-Populated Processor Module 16-Gbyte DIMMs in CMP 1 group 16-Gbyte DIMMs in CMP 0 group | Half-Populated Processor Module 16-Gbyte DIMMs in CMP 1 group 16-Gbyte DIMMs in CMP 0 group
1024 Gbytes | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 16-Gbyte DIMMs in CMP 1 group 16-Gbyte DIMMs in CMP 0 group | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 16-Gbyte DIMMs in CMP 1 group 16-Gbyte DIMMs in CMP 0 group
1024 Gbytes | Half-Populated Processor Module 32-Gbyte DIMMs in CMP 1 group 32-Gbyte DIMMs in CMP 0 group | Half-Populated Processor Module 32-Gbyte DIMMs in CMP 1 group 32-Gbyte DIMMs in CMP 0 group
1536 Gbytes1 | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 32-Gbyte 4Rx4 DIMMs in blue DIMM slots 32-Gbyte 4Rx4 DIMMs in white DIMM slots 16-Gbyte 2Rx4 DIMMs in black DIMM slots | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 32-Gbyte 4Rx4 DIMMs in blue DIMM slots 32-Gbyte 4Rx4 DIMMs in white DIMM slots 16-Gbyte 2Rx4 DIMMs in black DIMM slots
2048 Gbytes | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 32-Gbyte DIMMs in CMP 1 group 32-Gbyte DIMMs in CMP 0 group | Fully-Populated Processor Module (Except 1536 Gbyte Configurations) 32-Gbyte DIMMs in CMP 1 group 32-Gbyte DIMMs in CMP 0 group

11.536-Gbyte configurations require System Firmware 8.3.0.b at minimum.

##### Related Information

- Servicing Processor Modules

- DIMM Population Rules (Except 1536-Gbyte Configurations)

- Half-Populated Processor Module

- Fully-Populated Processor Module (Except 1536 Gbyte Configurations)

- Single-Processor Module Configurations

- DIMM Rank Classification

- Install a DIMM

- Increase Memory With Additional DIMMs

- Verify DIMM Functionality

- Understanding DIMM Configuration Error Messages

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