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Max cpuid value limit [disabled, Execute disable function [disabled, Enhanced c1 control [auto – Asus Motherboard P5LD2 User Manual

Page 86: Cpu internal thermal control [auto, Hyper-threading technology [enabled, Intel(r) speedstep technology [automatic

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Chapter 4: BIOS setup

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]

Execute Disable Function [Disabled]

Allows you to enable or disable the no execution on page protection

technology. When enabled, the system forces the XD feature flag to always

return to zero. Configuration options: [Disabled] [Enabled]

Only some CPUs support this function.

Enhanced C1 Control [Auto]

When set to [Auto], the BIOS automatically checks the CPU’s capability to

enable the C1E support. In C1E mode, the CPU power consumption is lower

when idle. Configuration options: [Auto] [Disabled]

When AI Quiet is enabled, this item is automatically set to [Auto] and

becomes non-configurable. See page 4-36.

CPU Internal Thermal Control [Auto]

Allows you to disable or set to auto the CPU Internal Thermal Control

function. Configuration options: [Auto] [Disabled]
Scroll down the screen to display the following items.

Hyper-Threading Technology [Enabled]

Allows you to enable or disable the processor Hyper-Threading Technology.

Refer to the Appendix for more information on the Hyper-Threading

Technology. Configuration options: [Disabled] [Enabled]

The following item appears only when you installed an Intel

®

Pentium

®

4

CPU that supports the Enhanced Intel SpeedStep

®

Technology (EIST).

Intel(R) SpeedStep Technology [Automatic]

Allows you to use the Enhanced Intel SpeedStep

®

Technology. When set

to [Automatic], 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: [Automatic] [Disabled]

• Refer to the Appendix for details on how to use the EIST feature.
• The motherboard comes with a BIOS file that supports EIST.
• When AI Quiet is enabled, this item is automatically set to

[Automatic] and becomes non-configurable. See page 4-36.

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