Menu Item DescriptionDCU IP Prefetcher Enables or disables the Data Cache Unit (DCU) IP prefetcher. By default,the DCU IP Prefetcher option is set to Enabled.Execute Disable Enables or disables the execute disable memory protection technology.By default, the Execute Disable option is set to Enabled.Logical Processor Idling Enables or disables the operating system capability to put logicalprocessors in the idling state in order to reduce power consumption. Bydefault, the option is set to Disabled.Configurable TDP Allows reconfiguration of Thermal Design Power (TDP) to lower levels.TDP refers to the maximum amount of power the cooling system isrequired to dissipate.X2Apic Mode Enables or disables the X2Apic mode.Number of Cores perProcessorControls the number of enabled cores in each processor. By default, theNumber of Cores per Processor option is set to All.Processor 64-bit Support Specifies if the processor(s) support 64-bit extensions.Processor Core Speed Displays the maximum core frequency of the processor.Processor Bus Speed Displays the bus speed of the processor.NOTE: The processor bus speed option displays only when bothprocessors are installed.Processor 1 NOTE: Depending on the number of installed CPUs, there may beup to two processor listings. The following settings are displayed foreach processor installed in the system.Family-Model-Stepping Displays the family, model and stepping of the processor as defined byIntel.Brand Displays the brand name reported by the processor.Level 2 Cache Displays the total L2 cache.Level 3 Cache Displays the total L3 cache.Number of Cores Displays the number of cores per processor.SATA Settings screenYou can use the SATA Settings screen to view the SATA settings of SATA devices and enable RAID onyour system.To view the SATA Settings screen click System Setup Main Menu → System BIOS → SATA Settings.Menu Item DescriptionEmbedded SATA Enables the embedded SATA to be set to Off, ATA, AHCI, or RAID modes.By default, the Embedded SATA option is set to AHCI.Security Freeze Lock Sends Security Freeze Lock command to the Embedded SATA drivesduring POST. This option is applicable only to ATA and AHCI mode.Write Cache Enables or disables the command for Embedded SATA drives duringPOST.34