Dell PowerEdge M420 Hardware Owner's Manual - Page 131
Processor Settings Screen, Mirror, Spare Mode, Disabled, Enabled
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Option Description Redundant Memory (PowerEdge M910, M710HD, and M600) If a valid memory configuration is installed, you can enable memory mirroring or spare memory. Options are Mirror Mode, Spare Mode, and Disabled. NOTE: M710HD systems installed with Intel® Xeon® 5600 series processors support memory sparing. Redundant Memory (PowerEdge M910, M905, M805, and M605) If a valid memory configuration is installed, you can enable spare memory. Options are Spare Mode and Disabled. Node Interleaving (Disabled default) If set to Disabled (default), NUMA is employed. If Enabled, memory interleaving is implemented. Memory Operating If set to Auto, the system sets the voltage to an optimal Voltage value based on the capacity of the installed memory (Auto default) modules. You can also set the voltage of the memory (PowerEdge M710HD) module to a higher value (1.5 V) provided that the modules support multiple voltages. Processor Settings Screen Option 64-bit Core Speed Bus Speed Logical Processor (Enabled default) Virtualization Technology (Disabled default) Description Specifies if the processors support 64-bit extensions. Displays the core speed of the processors. Displays the bus speed of the processors. If set to Enabled, both logical processors per processor core are enabled. If set to Disabled, only one logical processor per core is enabled. NOTE: Disable this feature if your system does not run virtualization software. Displays when the processors support Virtualization Technology. Enabled permits virtualization software to use Virtualization Technology incorporated in the processor design. This feature can only be used by software that supports Virtualization Technology. Using the System Setup Program and UEFI Boot Manager 131