Asus Maximus IV Extreme User Manual page 111

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]
Hyper-Threading [Enabled]
This item appears only when a CPU supporting Hyper-Threading Technology
is installed. 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] Two threads per activated core are enabled.
[Disabled] Only one thread per activated core is enabled.
Limit CPUID Maximum [Disabled]
[Disabled] Disables this function.
[Enabled] Allows legacy operating systems to boot even without support for
CPUs with extended CPUID functions.
Execute Disable Bit [Enabled]
[Disabled] Forces the XD feature flag to always return to zero (0).
[Enabled] Enables the No-Execution Page Protection Technology.
Intel(R) Virtualization Technology [Disabled]
[Disabled] Disables this function.
[Enabled] Allows a hardware platform to run multiple operating systems
separately and simultaneously, enabling one system to virtually
function as several systems.
Enhanced Intel SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel
(EIST).
[Disabled] The CPU runs at its default speed.
[Enabled] The operating system controls the CPU speed.
Turbo Mode [Enabled]
This item appears only when you set the Enhanced Intel SpeedStep Technology
item to [Enabled] and allows you to enable or disable the Intel
Technology.
[Disabled] Disables this function.
ASUS Maximus IV Extreme
SpeedStep Technology
®
Turbo Mode
®
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