Asus P5Q3 Deluxe/WiFi-AP @n - Manual (Page 94)

3-24 Chapter 3: BIOS setup
C1E Support [Enabled]
Allows you to enable or disable Enhanced Halt State support.
Configuration options: [Disabled] [Enabled]
Max CPUID Value Limit [Disabled]
Setting this item to [Enabled] allows legacy operating systems to boot even without
support for CPUs with extended CPUID functions.
Configuration options: [Disabled] [Enabled]
Intel(R) Virtualization Tech [Enabled]
The Intel ® Virtualization Technology allows a hardware platform to run multiple
operating systems separately and simultaneously, enabling one system to virtually
function as several systems.
Configuration options: [Disabled] [Enabled]
CPU TM function [Enabled]
This function enables the overheated CPU to throttle the clock speed to cool down.
Configuration options: [Disabled] [Enabled]
Execute Disable Bit [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology.
Setting this item to [Disabled] forces the XD feature flag to always return to zero
(0).
Configuration options: [Disabled] [Enabled]
The following items appear only when you set the CPU Ratio Control item to
[Auto].
Intel(R) SpeedStep (TM) Tech [Enabled]
When set to [Disabled], the CPU runs at its default speed. When set to [Enabled],
the CPU speed is controlled by the operating system.
Configuration options: [Disabled] [Enabled]
Intel(R) C-STATE Tech [Enabled]
Allows you enable or disable the Intel ® C-STATE Technology. When enabled, the
CPU idle is set to C2/C3/C4.
Configuration options: [Disabled] [Enabled]