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Chapter 3 – Asus H87-PRO User Manual

Page 79

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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]

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 automatically analyze the requirements and

prefetch data and codes for the CPU.

[Disabled]

Disables this function.

Adjacent Cache Line Prefetch [Enabled]

[Enabled]

Allows a hardware platform to perform adjacent cache line prefetching.

[Disabled]

Disables this function.

Boot Performance mode [Max Non-Tu...]

Allows you to select the performance state that the BIOS will set before OS handoff.

Configuration options: [Max Non-Turbo performance] [Max Battery] [Turbo Performance]