Asus P9X79 PRO - Manual (Page 100)

3-28 Chapter 3: BIOS setup
Chapter 3
Version 2.10.1208. Copyright (C) 2011 American Megatrends, Inc.
CPU Ratio Auto
Enhanced Intel SpeedStep Technology Enabled
Turbo Mode Enabled
CPU C1E Auto
CPU C3 Report Auto
CPU C6 Report Auto
CPU C7 Report Auto
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] [4] [5]
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 Tech [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.
3.5.2 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.
Turbo Mode [Enabled]
[Disabled] Disables this function.
[Enabled] Allows processor cores to run faster than marked frequency in specific
condition.