Dell EMC PowerEdge M640 Installation and Service Manual
Memory Settings details
About this task
- Option
- Description
- Installed Memory Size
- Displays the amount of DDR4 memory installed in the system.
- System Memory Size
- Specifies the memory size in the system.
- System Memory Type
- Specifies the type of memory installed in the system.
- System Memory Speed
- Specifies the system memory speed.
- System Memory Voltage
- Specifies the system memory voltage.
- Video Memory
- Specifies the amount of video memory.
- System Memory Testing
- Specifies whether the system memory tests are run during system boot. Options are Enabled and Disabled. This option is set to Disabled by default.
- Memory Operating Mode
- Specifies the memory operating mode. The options available are Optimizer Mode, Single Rank Spare Mode , Multi Rank Spare Mode, and Mirror Mode. This option is set to Optimizer Mode by default.
- Current State of Memory Operating Mode
- Specifies the current state of the memory operating mode.
- Node Interleaving
- Specifies if Non-Uniform Memory Architecture (NUMA) is supported. If this field is set to Enabled, memory interleaving is supported if a symmetric memory configuration is installed. If the field is set to Disabled, the system supports NUMA (asymmetric) memory configurations. This option is set to Disabled by default.
- Snoop Mode
- Specifies the Snoop Mode options. The Snoop Mode options available are Home Snoop, Early Snoop, and Cluster on Die. This option is set to Early Snoop by default. This field is available only when the Node Interleaving is set to Disabled.
- Opportunistic Self-Refresh
- Enables or disables opportunistic self-refresh feature. This option is set to Disabled by default.
- Persistent Memory
- This field controls Persistent Memory on the system.
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