1.1Welcome!

Thank you for buying the ASUS® P4U800-X motherboard!

The ASUS P4U800-X motherboard, based on the ULI® M1683 chipset supporting 800 FSB that delivers a host of new features and latest technologies making it another standout in the long line of ASUS quality motherboards!

Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.

1.2Package contents

Check your P4U800-X package for the following items.

ASUS P4U800-X motherboard ASUS motherboard support CD 1 x UltraDMA 100/66 cable

1 x Floppy disk cable I/O shield

Bag of extra jumper caps User Guide

If any of the above items is damaged or missing, contact your retailer.

1.3Special features

Latest processor technology

The motherboard supports the latest Intel® Pentium® 4 Processor via a 478-pin surface mount ZIF socket. The Pentium 4 processor with 512KB L2 cache on 0.13 micron processor includes a 800/533/400 MHz system bus, Intel® Hyper-Threading Technology and the FMB2 power design that allows up to 3.2+ GHz core frequencies for up to 6.4GB/s data transfer rates. See page 1-7.

DDR400 (PC3200) support

DDR400 (PC3200), the latest and fastest DDR memory standard, supports bandwidth of up to 3.2 GB/s to provide enhanced system performance. See 1-9.

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Chapter 1: Product introduction