A.1 Intel® EM64T

¥ The motherboard is fully compatible with Intel¨ Pentium¨ D or 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 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 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/Windows¨ Server 2003 SP1/Linux 2.6 kernel or later versions)

ASUS P5LD2 Deluxe