Asus tpm Active Processor Cores All, Limit Cpuid Maximum Disabled, Execute Disable Bit Enabled

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 enable or disable the Intel® Turbo Mode Technology.

[Enabled] Allows processor cores to run faster than marked frequency in specific condition.

[Disabled] Disables this function.

CPU C1E [Auto]

Enables or disables the C1E support function. This item should be enabled in order to enable the Enhanced Halt State. Configuration options: [Auto] [Enabled] [Disabled]

Chapter 2: BIOS information 2-15

E7361_P8H61-M2-TPM-SI R2.0_Manua15 15

5/16/12 1:45:03 PM