Asus EM64T User Manual

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ASUS motherboard feature update

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IntelIntel

Intel

IntelIntel

The motherboard supports Intel® Pentium® 4 CPUs with the Intel® EM64T
(Extended Memory 64 Technology). The Intel
computer to run on 64-bit operating systems and access larger amounts of
system memory for faster and more efficient computing.

Using the IntelUsing the Intel

Using the Intel

Using the IntelUsing the Intel

To use the Intel

1. Install an Intel

2. Install a 64-bit operating system (Windows

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EM64T EM64T

EM64T

EM64T EM64T

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EM64T feature allows your

The motherboard is fully compatible with Intel® LGA 775 processors
running on 32-bit operating systems.

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EM64T feature EM64T feature

EM64T feature

EM64T feature EM64T feature

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EM64T feature:

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Pentium® 4 CPU that supports the Intel® EM64T.

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XP Professional x64

Edition or Windows® Server 2003 x64 Edition).

3. Install the 64-bit drivers for the motherboard components and devices
from the support CD.

4. Install the 64-bit drivers for expansion cards or add-on devices, if any.

Refer to the expansion card or add-on device(s) documentation, or visit
the related website, to verify if the card/device supports a 64-bit system.

Enhanced Intel SpeedStepEnhanced Intel SpeedStep

Enhanced Intel SpeedStep

Enhanced Intel SpeedStepEnhanced Intel SpeedStep

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Technology (EIST) Technology (EIST)

Technology (EIST)

Technology (EIST) Technology (EIST)

The Enhanced Intel SpeedStep® Technology (EIST) intelligently manages the
CPU resources by automatically adjusting the CPU voltage and core frequency
depending on the CPU loading and system speed/power requirement.

System requirementsSystem requirements

System requirements

System requirementsSystem requirements

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• Intel

Pentium® 4 processor with EIST support

• BIOS file with EIST support

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• Operating system with EIST support (Windows

XP SP2/Windows

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Server 2003 SP1/Linux 2.6 kernel or later versions)

Using the EISTUsing the EIST

Using the EIST

Using the EISTUsing the EIST

To use the EIST feature:

1. Turn on the computer, then enter the BIOS Setup.

2. Go to the

Advanced MenuAdvanced Menu

Advanced Menu, highlight

Advanced MenuAdvanced Menu

CPU ConfigurationCPU Configuration

CPU Configuration, then

CPU ConfigurationCPU Configuration

press <Enter>.

3. Scroll down the options, select the
TechnologyTechnology

Technology item, then press <Enter>. Refer to the BIOS screen on

TechnologyTechnology

Intel(R) SpeedStepIntel(R) SpeedStep

Intel(R) SpeedStep

Intel(R) SpeedStepIntel(R) SpeedStep

the next page.

Configure Advanced CPU settings

Frequency : 3200 MHz
FSB Speed : 800 MHz

Cache L1 : 16 KB
Cache L2 : 1024 KB
Cache L3 : 0 KB
Ratio Status: Unlocked
Ratio Actual Value : 16

Ratio CMOS Setting: [ 18]

VID CMOS Setting: [ 62]
Microcode Updation [Enabled]
Max CPUID Value Limit: [Disabled]
Enhanced C1 Control [Auto]
CPU Internal Thermal Control [Auto]

Hyper Threading Technology [Enabled]

Intel(R) SpeedStep Technology [Automatic]

Maximum: CPU speed is
set to maximum.
Minimum: CPU speed is
set to minimum.
Automatic: CPU speed
is controlled by the
operating system.
Disabled: Default CPU
speed.

Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit

4. Select

Automatic Automatic

Automatic (default)

Automatic Automatic

from the options, then press <Enter>.

Set this item to [Maximum] or [Disabled] if you do not want to use the
EIST feature. The CPU constantly operates at a lower internal frequency
if you set this item to [Minimum].

5. Press <F10> to save your changes and exit the BIOS setup.

6. After the computer restarts, right click on a blank space on the
desktop, then select

7. When the
Saver Saver

Saver tab.

Saver Saver

8. Click the

Display Properties Display Properties

Display Properties window appears, click the

Display Properties Display Properties

Power Power

Power button on the Monitor

Power Power
power section to open the
Options Properties Options Properties

Options Properties window.

Options Properties Options Properties

9. On the

Power schemes Power schemes

Power schemes section, click

Power schemes Power schemes

Properties Properties

Properties from the pop-up menu.

Properties Properties

PowerPower

Power

PowerPower

,

ScreenScreen

Screen

ScreenScreen

then select any option except
Home/Office DesktopHome/Office Desktop

Home/Office Desktop or

Home/Office DesktopHome/Office Desktop

10. Click

ApplyApply

Apply, then click

ApplyApply

Always OnAlways On

Always On.

Always OnAlways On

OKOK

OK.

OKOK

11. Close the

Display PropertiesDisplay Properties

Display Properties window.

Display PropertiesDisplay Properties

After you adjust the power scheme,
the CPU internal frequency slightly
decreases when the CPU loading is low.

• The motherboard comes with a BIOS file that supports EM64T and EIST.
You can download the latest BIOS file from the ASUS website
(www.asus.com/support/download/) if you need to update the BIOS file.

• The screen displays and procedures may vary depending on the
operating system.

• Visit www.intel.com for more information on the EM64T and EIST features.

• Visit www.microsoft.com for more information on Windows

15-063521000

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64-bit OS.