Asus Motherboard P5LD2 - Manual (Page 139)

ASUS P5LD2 A-1
A.1 Intel ® EM64T
• The motherboard is fully compatible with Intel ® Pentium ® 4 LGA775
processors running on 32-bit operating systems.
• The motherboard comes with a BIOS file that supports EM64T. You
can download the latest BIOS file from the ASUS website (www.asus.
com/support/download/) if you need to update the BIOS file. See
Chapter 4 for details.
• Visit www.intel.com for more information on the EM64T feature.
• Visit www.microsoft.com for more information on Windows
® 64-bit OS.
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).
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 motherboard comes with a BIOS file that supports EIST. You
can download the latest BIOS file from the ASUS website (www.
asus.com/support/download/) if you need to update the BIOS. See
Chapter 4 for details.
• Visit www.intel.com for more information on the EIST feature.
A.2.1 System requirements
Before using EIST, check your system if it meets the following
requirements:
• Intel ® Pentium ® 4 processor with EIST support
• BIOS file with EIST support
• Operating system with EIST support (Windows
® XP SP2/Linux 2.6
kernel or later versions)