Asus P8Z68-V PRO/GEN3 Manual page 82

Hyper-threading [Enabled]
The Intel Hyper-Threading Technology allows a hyper-threading processor to appear as two
logical processors to the operating system, allowing the operating system to schedule two
threads or processes simultaneously.
[Enabled]
[Disabled]
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]
[Disabled]
Execute Disable Bit [Enabled]
[Enabled]
[Disabled]
Intel(R) Virtualization Tech [Disabled]
[Enabled]
[Disabled]
Enhanced Intel SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel
[Disabled]
[Enabled]
Turbo Mode [Enabled]
This item appears only when you set the EIST item to [Enabled] and allows you to enable or
disable the Intel
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[Enabled]
[Disabled]
CPU C1E [Auto]
[Enabled]
[Disabled]
CPU C3 Report [Auto]
Allows you to disable or enable the CPU C3 report to OS.
CPU C6 Report [Auto]
Allows you to disable or enable the CPU C6 report to OS.
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Two threads per activated core are enabled.
Only one thread per activated core is enabled.
Allows legacy operating systems to boot even without support for CPUs
with extended CPUID functions.
Disables this function.
Enables the No-Execution Page Protection Technology.
Forces the XD feature flag to always return to zero (0).
Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
Disables this function.
The CPU runs at its default speed.
The operating system controls the CPU speed.
Turbo Mode Technology.
Allows processor cores to run faster than marked frequency in specific
condition.
Disables this function.
Enables the C1E support function. This item should be enabled in order to
enable the Enhanced Halt State.
Disables this function.
SpeedStep Technology (EIST).
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Chapter 3: BIOS setup