ASUS P8Z77-M 사용자 설명서

Chapter 2: BIOS information

2-19

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