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2-22 Chapter 2: BIOS setup
C1E Support [Enabled]
Allows you to enable or disable Enhanced Halt State support.
Conguration 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.
Conguration 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.
Conguration options: [Disabled] [Enabled]
CPU TM function [Enabled]
This function enables the overheated CPU to throttle the clock speed to cool down.
Conguration 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 ag to always return to zero (0).
Conguration 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.
Conguration options: [Disabled] [Enabled]
Intel(R) C-STATE Tech [Disabled]
Allows you enable or disable the Intel
®
C-STATE Technology. When enabled, the CPU idle is
set to C2/C3/C4.
Conguration options: [Disabled] [Enabled]
CPU Ratio Setting [Auto]
Allows you to adjust the ratio between CPU Core Clock and FSB Frequency. Use the <+>
and <-> keys to adjust the value.
Conguration options: [Auto] [06.0] [07.0] [08.0] [09.0]
P5Q-EM DO.indb 22 12/9/08 12:35:46 PM