Asus H61M-PRO H61M-PRO User's Manual - Page 42

Active Processor Cores [All] Allows you to choose the number of CPU cores to activate in each processor package. Configuration options: [All] [1] [2] [3] 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] [Disabled] Disables this function. [Enabled] Allows you to turn on /off the Mid Level Cache (L2) streamer prefetcher. Adjacent Cache Line Prefetch [Enabled] [Disabled] Disables this function. [Enabled] Allows a hardware platform to perform adjacent cache line prefetching. 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] The CPU runs at its default speed. [Enabled] The operating system controls the CPU speed. CPU C1E [Auto] Allows you to enable or disable the CPU C1E. [Auto] Set this item automatically. [Disabled] Disables this function. [Enabled] Enables the C1E support function. This item should be enabled in order to enable the Enhanced Halt State. 2-14 Chapter 2: Getting started