Using the System Setup Program and UEFI Boot Manager 45Memory Settings ScreenProcessor Settings ScreenOption DescriptionSystem Memory Size Displays the system memory size.System Memory Type Displays the system memory type.System Memory Speed Displays the system memory speed.Video Memory Displays the video memory size.System Memory Testing(Enabled default)Specifies whether system memory tests are run at systemboot. Options are Enabled and Disabled.Memory Operating Mode This field displays the type of memory operation if avalid memory configuration is installed. When set toOptimizer Mode, the memory controllers runindependently of each other for improved memoryperformance. When set to Mirror Mode, memorymirroring is enabled. When set to Advanced ECCMode, two controllers are joined in 128-bit moderunning multi-bit advanced ECC. For information aboutthe memory modes, see "System Memory" on page 82.NOTE: The Spare Mode option may not be presenton all systems.Node Interleaving(Disabled default)If this field is Enabled, memory interleaving is supportedif a symmetric memory configuration is installed. IfDisabled, the system supports Non-Uniform Memoryarchitecture (NUMA) (asymmetric) memoryconfigurations.NOTE: The Node Interleaving field must be set to Disabledwhen using Mirror mode.Option Description64-bit Specifies if the processor(s) support 64-bit extensions.Core Speed Displays the processor clock speed.Bus Speed Displays the processor bus speed.
