User`s guide

Motherboard User’s Guide

Chapter 1 Introduction

This motherboard has a Socket-939 supporting the newest and advanced AMD

Athlon 64/Athlon 64 FX (K8) processors.

This motherboard integrates the VIA K8M800 Northbridge and VT8237

Southbridge that supports the Serial ATA interface for high-performance and

mainstream desktop PCs, and the built-in USB 2.0 providing higher bandwidth.

It implements Universal Serial Bus Specification Revision 2.0 and is

compliant with UHCI 1.1 and EHCI 0.95.

It supports 6-channel AC’97 Audio Codec and provides one IDE Ultra DMA

133/100/66 channel. It has three 32-bit PCI slots, one 8X AGP slot, one CNR

(Communications and Networking Riser) slot, and supports the onboard

10BaseT/100BaseTX Network interface (optional). In addition, this

motherboard has a full set of I/O ports including two PS/2 ports for mouse and

keyboard, one serial port, one parallel port, one VGA port, one LAN port

(optional), four back-panel USB2.0 ports, and three audio jacks for microphone,

line-in and line-out. Onboard USB header(s) can provide extra ports by

connecting the Extended USB Module to the motherboard.

This motherboard is a MicroATX size motherboard and has power connectors

for an ATX power supply.

Key Features

The key features of this motherboard include:

Socket-939 Processor Support

• Supports AMD Athlon 64/Athlon 64 FX (K8) processors

Chipset

There are VIA K8M800 Northbridge and VT8237 Southbridge in this chipset

in accordance with an innovative and scalable architecture with proven reliability

and performance.

• Defines Highly Integrated Solutions for High-Performance Workstation

& PC Desktop Designs -- High-performance North Bridge with

HyperTransport interface to AMD™ K8 CPU plus AGP 8X external

bus to external Graphics Controller plus high-speed V-Link interface to

South Bridge

• High Performance HyperTransport CPU Interface -- Processor interface

via HyperTransport interface

• Full Featured Accelerated Graphics Port (AGP) Controller

− − AGP v3.0 compliant 8X / 4X transfer mode with Fast Write Support

− − Pipelined split-transaction long-burst transfers up to 2.1 GB/sec (4

bytes x 533 MHz)