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Chapter 3, Active processor cores [all, Limit cpuid maximum [disabled – Asus RAMPAGE IV GENE User Manual

Page 98: Execute disable bit [enabled, Hardware prefetcher [enabled, Adjacent cache line prefetch [enabled, Intel virtualization technology [enabled, Cpu power management configuration

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Chapter 3: BIOS setup

Chapter 3

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).

Hardware Prefetcher [Enabled]

[Enabled]

Enables the mid-level cache (L2) streamer prefetcher.

[Disabled]

Disables this function.

Adjacent Cache Line Prefetch [Enabled]

[Enabled]

Enables the prefetching of adjacent cache lines.

[Disabled]

Disables this function.

Intel Virtualization Technology [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.

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.

CPU C1E [Auto]

[Auto]

Sets the default configuration.

[Disabled] Disables this function.
[Enabled] Enables the C1E support function. This item should be enabled in order to

enable the Enhanced Halt State.