Cpu Power Management Configuration - Asus SABERTOOTH Z77 User Manual

Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.
Configuration options: [All] or by CPU specification
Limit CPUID Maximum [Disabled]
[Enabled]
[Disabled]
Execute Disable Bit [Enabled]
[Enabled]
[Disabled]
Intel Virtualization Technology [Disabled]
[Enabled]
[Disabled]
Hardware Prefetcher [Enabled]
[Enabled]
[Disabled]
Adjacent Cache Line Prefetch [Enabled]
[Enabled]
[Disabled]

CPU Power Management Configuration

This item allows you to manage and configure the CPU's power.
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
[Disabled] The CPU runs at its default speed.
[Enabled]
CPU C1E [Auto]
[Auto]
[Disabled] Disables this function.
[Enabled]
CPU C3 Report [Auto]
Allows you to disable or enable the CPU C3 report to OS.
Configuration options: [Auto] [Disabled] [Enabled]
3-22
Allows legacy operating systems to boot even without support for CPUs
with extended CPUID functions.
For Windows XP OS, select this option to disable this function.
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Enables the No-Execution Page Protection Technology.
Forces the XD feature flag to always return to zero (0).
Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
Disables this function.
Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
Disables this function.
Allows a hardware platform to perform adjacent cache line prefetching.
Disables this function.
The operating system controls the CPU speed.
Sets the default configuration.
Enables the C1E support function. This item should be enabled in order to
enable the Enhanced Halt State.
SpeedStep Technology (EIST).
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Chapter 3: BIOS setup