Asus P8Z77-V LE PLUS User Guide - Page 83
Adjacent Cache Line Prefetch [Enabled], CPU Power Management Configuration
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Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to boot even without support for CPUs with extended CPUID functions. [Disabled] Disables this function. Execute Disable Bit [Enabled] [Enabled] Enables the No-Execution Page Protection Technology. [Disabled] Forces the XD feature flag to always return to zero (0). Intel® Virtualization Technology [Disabled] [Enabled] Allows a hardware platform to run multiple operating systems separately and simultaneously, enabling one system to virtually function as several systems. [Disabled] Disables this function. Hardware Prefetcher [Enabled] [Enabled] Allows a hardware platform to run multiple operating systems separately and simultaneously, enabling one system to virtually function as several systems. [Disabled] Disables this function. Adjacent Cache Line Prefetch [Enabled] [Enabled] Allows a hardware platform to perform adjacent cache line prefetching. [Disabled] Disables this function. CPU Power Management Configuration CPU Ratio [Auto] Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use and keys to adjust the ratio. The valid value ranges vary according to your CPU model. Enhanced Intel SpeedStep Technology [Enabled] Allows you to enable or disable the Enhanced Intel® SpeedStep Technology (EIST). [Disabled] [Enabled] The CPU runs at its default speed. The operating system controls the CPU speed. Turbo Mode [Enabled] [Enabled] Allows processor cores to run faster than marked frequency in specific condition. [Disabled] Disables this function. CPU C1E [Auto] Allows you to enable or disable the CPU C1E. [Auto] Set this item automatically. [Enabled] Enables the C1E support function. This item should be enabled in order to enable the Enhanced Halt State. [Disabled] Disables this function. Chapter 3 ASUS P8Z77-V LE PLUS 3-17