Max CPUID Value Limit [Disabled]

Enable this item to boot legacy operating systems that cannot support CPUs with extended CPUID functions. Configuration options: [Disabled] [Enabled]

CPU TM function [Enabled]

Allows you to enable or disable the CPU internal thermal control function. In TM mode, the CPU power consumption is reduced. Configuration options: [Disabled] [Enabled]

Execute Disable Bit [Enabled]

Allows you to Enable/disable Execute Disable Function.

Configuration options: [Disabled] [Enabled]

Single Logical Processor Mode [Disabled]

Allows you to enable or disable the Single Logical Processor Mode. When enabled, only COREO, logical processor 0 remains active.

Configuration options: [Disabled] [Enabled]

The following item appears only when you installed an Intel® Pentium® 4 or later CPU that supports the Enhanced Intel SpeedStep® Technology (EIST).

Hyper Threading Technology [Enabled]

Allows you to enable or disable the processor Hyper-Threading Technology. Configuration options: [Disabled] [Enabled]

Intel® SpeedStep Technology [Enabled]

Allows you to use the Enhanced Intel® SpeedStep® Technology. When set to [Enabled], you can adjust the system power settings in the operating system to use the EIST feature. Set this item to [Disabled] if you do not want to use the EIST. Configuration options: [Enabled] [Disabled]

2-22

Chapter 2: BIOS setup