Asus EM64T User Manual

E1958

ASUS motherboard feature update

Intel^®EM64T

The motherboard supports Intel^®Pentium^®4 CPUs with the Intel^®EM64T

(Extended Memory 64 Technology). The Intel^®EM64T feature allows your

computer to run on 64-bit operating systems and access larger amounts of

system memory for faster and more efficient computing.

The motherboard is fully compatible with Intel^®LGA 775 processors

running on 32-bit operating systems.

Using the Intel^®EM64T feature

To use the Intel^®EM64T feature:

1. Install an Intel^®Pentium^®4 CPU that supports the Intel^®EM64T.

2. Install a 64-bit operating system (Windows^®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 SpeedStep^®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 requirements

•

Intel^®Pentium^®4 processor with EIST support

BIOS file with EIST support

Operating system with EIST support (Windows^®XP SP2/Windows^®

Server 2003 SP1/Linux 2.6 kernel or later versions)

Using the EIST

To use the EIST feature:

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

2. Go to the Advanced Menu, highlight CPU Configuration, then

press <Enter>.

3. Scroll down the options, select the Intel(R) SpeedStep

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

the next page.