Intel SR1670HV Service Guide - Page 74
DCU Mode [32KB 8-way without]
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BIOS Updates and Configuration 6.3.4.1.4 Intel® Virtualization Tech [Enabled] The Intel® Virtualization Technology allows a hardware platform to run multiple operating systems separately and simultaneously, enabling one system to virtually function as several systems. Configuration options: [Disabled] [Enabled] 6.3.4.1.5 CPU TM Function [Enabled] This function enables the overheated CPU to throttle the clock speed to cool down. Configuration options: [Disabled] [Enabled] 6.3.4.1.6 Execute-Disable Bit Capability [Enabled] Allows you to enable or disable the No-Execution Page Protection Technology. Setting this item to [Disabled] forces the XD feature flag to always return to zero (0). Configuration options: [Disabled] [Enabled] 6.3.4.1.7 Intel® HT Technology [Enabled] Allows you to enable or disable the Intel® Hyper-Threading Technology function. When disabled, only one thread per activated core is enabled. Configuration options: [Enabled] [Disabled] 6.3.4.1.8 Active Processor Cores [All] Allows you to select the number of CPU cores to activate in each processor package. Configuration options: [All] [1] [2] 6.3.4.1.9 A20M [Disabled] Legacy operating systems and APs may need A20M enabled. Configuration options: [Disabled] [Enabled] 6.3.4.1.10 DCU Mode [32KB 8-way without] Allows you to select the mode for the Data Cache. Configuration options: [32KB 8-way without ECC] [16KB 4-way with ECC] 6.3.4.1.11 DCA Prefetch Delay [32] Allows you to select the time delay in bus clocks from snoop to prefetch. Configuration options: [8] [16] [24] [32] [40]-[104] [112] [120] 6.3.4.1.12 Intel® SpeedStep (TM) Tech [Enabled] When set to [Disabled], the CPU runs at its default speed. When set to [Enabled], the CPU speed is controlled by the operating system. Configuration options: [Disabled] [Enabled] 6.3.4.1.13 Intel TurboMode Tech [Enabled] When enabled, Turbo Mode allows processor cores to run faster than its marked frequency in certain conditions. Intel® Server System SR1670HV Service Guide 59
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