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ASUS P5WDG2 WS Professional/P5WDG2 WS PRO/WiFi-AP A-1
A.1 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 efcient 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.
A.2 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 le 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 Conguration, 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.