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]

[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] 

The CPU runs at its default speed.

[Enabled} 

The operating system controls the CPU speed.

Turbo Mode [Enabled]

Allows you to set the processor cores to run faster than the marked frequency in a specific condition.

Configuration options: [Enabled] [Disabled]

This item appears only when you set the EIST to [Enabled], and allows you to enable or disable the Intel® Turbo Mode Technology.

CPU C1E [Auto]

 

[Enabled]   

Enables the C1E support function. This function must be enabled to enable or

 

disable the Intel® Turbo Mode Technology.

[Disabled] 

Disables the function.

CPU C3 Report [Auto]

Allows you to disable or enable the CPU C3 report to OS.

Chapter 2: BIOS information

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