Asus P8B WS - Manual (Page 91)

ASUS P8B WS 3-15
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]
[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 ® SpeedStep Technology
(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 ® Turbo Mode
Technology.
[Disabled]
Disables this function.
[Enabled] Allows processor cores to run faster than marked frequency in
specific condition.
CPU C1E [Enabled]
[Disabled] Disables this function.
[Enabled] Enables the C1E support function. This item should be enabled in
order to enable the Enhanced Halt State.
CPU C3 Report [Enabled]
Allows you to disable or enable the CPU C3 report to OS.
CPU C6 Report [Enabled]
Allows you to disable or enable the CPU C6 report to OS.