Asus P5KPL-VM - Manual (Page 70)

2-22 Chapter 2: BIOS setup
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]
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]
The following item appears only when you installed an Intel ® Pentium ® 4 or
later CPU that supports the Enhanced Intel SpeedStep ® Technology (EIST).