Asus T4-P5P43 - Manual (Page 86)

5-20 Chapter 5: BIOS setup
Intel (R) SpeedStep (tm) tech. [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).
CPU TM Function [Enabled]
Enables or disables Intel ® CPU Thermal Monitor (TM) function, a CPU overheating
protection function. When enabled, the CPU core frequency and voltage are
reduced when the CPU overheats. Configuration options: [Disabled] [Enabled]
Execute Disable Bit [Enabled]
Enables or disables Intel ® Execute Disable Bit function. This function enhance
protection of your computer, reducing exposure to viruses and malicious
buffer overflow attacks when working with its supporting software and system.
Configuration options: [Disabled] [Enabled]