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
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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.
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