DFI 748-AL Manual de usuario

748-AL

748-A

Rev. A+

System Board

User’s Manual

73600326

This publication contains information that is protected by copyright.

No part of it may be reproduced in any form or by any means or

used to make any transformation/adaptation without the prior

written permission from the copyright holders.

This publication is provided for informational purposes only. The

manufacturer makes no representations or warranties with respect to

the contents or use of this manual and specifically disclaims any

express or implied warranties of merchantability or fitness for any

particular purpose.The user will assume the entire risk of the use or

the results of the use of this document. Further, the manufacturer

reserves the right to revise this publication and make changes to its

contents at any time, without obligation to notify any person or

entity of such revisions or changes.

Trademarks

Windows®98, Windows®98 SE, Windows®ME, Windows®2000,

Windows NT®4.0 and Windows®XP are registered trademarks

of Microsoft Corporation. AMD, AthlonTM XP and AthlonTM are

registered trademarks of Advanced Micro Devices, Inc. Award is a

registered trademark of Award Software, Inc. Other trademarks and

registered trademarks of products appearing in this manual are the

properties of their respective holders.

Caution

To avoid damage to the system:

• Use the correct AC input voltage range.....

To reduce the risk of electric shock:

• Unplug the power cord before removing the system chassis

cover for installation or servicing. After installation or servicing,

cover the system chassis before plugging the power cord.

Battery:

• Danger of explosion if battery incorrectly replaced.

• Replace only with the same or equivalent type recommend

the manufacturer.

• Dispose of used batteries according to the battery

manufacturer’s

instructions.

Joystick or MIDI port:

• Do not use any joystick or MIDI device that requires more than

10A current at 5V DC. There is a risk of fire for devices that

exceed this limit.

FCC and DOC Statement on Class B

This equipment has been tested and found to comply with the limits

for a Class B digital device, pursuant to Part 15 of the FCC rules.

These limits are designed to provide reasonable protection against

harmful interference when the equipment is operated in a residential

installation. This equipment generates, uses and can radiate radio

frequency energy and, if not installed and used in accordance with

the instruction manual, may cause harmful interference to radio

communications. However, there is no guarantee that interference

will not occur in a particular installation. If this equipment does cause

harmful interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more of the

following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and the receiver.

• Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

• Consult the dealer or an experienced radio TV technician for

help.

Notice:

1. The changes or modifications not expressly approved by the

party responsible for compliance could void the user's authority

to operate the equipment.

2. Shielded interface cables must be used in order to comply with

the emission limits.

Notice

This user’s manual contains detailed information about the system

board. If, in some cases, some information doesn’t match those

shown in the multilingual manual, the multilingual manual should

always be regarded as the most updated version. The multilingual

manual is included in the system board package.

To view the user’s manual, insert the CD into a CD-ROM drive. The

autorun screen (Mainboard Utility CD) will appear. Click the

“TOOLS” icon then click “Manual” on the main menu.

System Board

This user’s manual is for the 748-A and 748-AL system boards. The

only difference between these boards is the 748-AL system board

supports onboard LAN.

Table of Contents

Chapter 1 - Introduction

1.1 Features and Specifications..............................................................................

1.2 Package Checklist.........................................................................................................

Chapter 2 - Hardware Installation

2.1 System Board Layout .........................................................................................

2.2 System Memory..........................................................................................................

2.3 CPU...........................................................................................................................................

2.4 Jumper Settings............................................................................................................

2.5 Rear Panel I/O Ports.............................................................................................

2.6 I/O Connectors...........................................................................................................

Chapter 3 - BIOS Setup

3.1 Award BIOS Setup Utility..................................................................................

3.2 Updating the BIOS.....................................................................................................

Chapter 4 - Supported Softwares

4.1 Desktop Management Interface..................................................................

4.2 Drivers, Utilities and Software Applications.................................

4.3 3D Audio Configuration......................................................................................

4.4 Installation Notes.........................................................................................................

105

107

Introduction

Appendix A - Using the Suspend to RAM

Function

A.1 Using the Suspend to RAM Function...............................................

Appendix B - System Error Messages

B.1 POST Beep......................................................................................................................

B.2 Error Messages............................................................................................................

Appendix C - Troubleshooting

C.1 Troubleshooting Checklist..............................................................................

108

112

114

Introduction

1.1 Features and Specifications

1.1.1 Features

Chipset

• SiS®chipset

- North bridge: SiS®748

- South bridge: SiS®963L

Processor

The system board is equipped with Socket-A for PGA processor. It

is also equipped with a switching voltage regulator that automatically

detects 1.100V to 1.850V.

• AMD AthlonTM XP 266/333/400MHz FSB

• AMD AthlonTM 200/266MHz FSB

System Memory

• Three 184-pin DDR DIMM sockets

• Supports up to 3GB memory (unbuffered DIMM)

• Supports PC1600 (DDR200), PC2100 (DDR266), PC2700

(DDR333) or PC 3200 (DDR 400) DDR SDRAM DIMM, 2.5V

type

• L2 cache memory

- AthlonTM XP / AthlonTM processor: built-in 256KB Level 2

pipelined burst cache

Chapter 1 - Introduction

DIMMs

2MBx64

4MBx64

8MBx64

Memory Size

16MB

32MB

64MB

DIMMs

16MBx64

32MBx64

64MBx64

Memory Size

128MB

256MB

512MB

Introduction

Expansion Slots

The system board is equipped with 1 AGP slot and 5 PCI slots.

AGP (Accelerated Graphics Port)

AGP is an interface designed to support high performance 3D

graphics cards. It utilizes a dedicated pipeline to access system

memory for texturing, z-buffering and alpha blending. The univer-

sal AGP slot supports AGP 8x with up to 2132MB/sec. bandwidth

and AGP 4x with up to 1066MB/sec. bandwidth for 3D graphics

applications. AGP in this system board will deliver faster and bet-

ter graphics to your PC.

Onboard Audio Features

• C-Media 6-channel codec

• AC'97 2.2 extension compliant codec

• Supports Microsoft®DirectSound/DirectSound 3D

• AC’97 supported with full duplex, independent sample rate

converter for audio recording and playback

• S/PDIF-in/out interface

• 6-channel audio output

S/PDIF

S/PDIF is a standard audio file transfer format that transfers digital

audio signals to a device without having to be converted first to

an analog format. This prevents the quality of the audio signal

from degrading whenever it is converted to analog. S/PDIF is usu-

ally found on digital audio equipment such as a DAT machine or

audio processing device. The S/PDIF connector on the system

board sends surround sound and 3D audio signal outputs to am-

plifiers and speakers and to digital recording devices like CD re-

corders.

6-channel Audio

The 6-channel audio output function is supported by using the 4-

channel connector, the audio jacks at the rear panel and configuring

the audio driver. Please refer to chapters 2 and 4

Introduction

Onboard LAN Features (748-AL only)

• Realtek 8201BL Phy fast ethernet controller

• Integrated IEEE 802.3, 10BASE-T and 100BASE-TX compatible

PHY

• 32-bit PCI master interface

• Integrated power management functions

• Full duplex support at both 10 and 100 Mbps

• Supports IEEE 802.3u auto-negotiation

• Supports wire for management

PCI Bus Master IDE Controller

• Two PCI IDE interfaces support up to four IDE devices

• Supports ATA/33, ATA/66, ATA/100 and ATA/133 hard drives

• UDMA Modes 3, 4, 5 and 6 Enhanced IDE (data transfer rate

up to 133MB/sec.)

• Bus mastering reduces CPU utilization during disk transfer

• Supports ATAPI CD-ROM, LS-120 and ZIP

IrDA Interface

The system board is equipped with an IrDA connector for wire-

less connectivity between your computer and peripheral devices.

The IRDA (Infrared Data Association) specification supports data

transfers of 115K baud at a distance of 1 meter.

USB Ports

The system board supports USB 2.0 and USB 1.1 ports. USB 1.1

supports 12Mb/second bandwidth while USB 2.0 supports

480Mb/second bandwidth providing a marked improvement in

device transfer speeds between your computer and a wide range

of simultaneously accessible external Plug and Play peripherals.

Introduction

BIOS

• Award BIOS, Windows®98/2000/ME/XP Plug and Play

compatible

• CPU overclocking in 1MHz stepping

• CPU/DIMM/AGP/Chipset overvoltage

• Supports SCSI sequential boot-up

• Flash EPROM for easy BIOS upgrades

• Supports DMI 2.0 function

• 2Mbit flash memory

Desktop Management Interface (DMI)

The system board comes with a DMI 2.0 built into the BIOS. The

DMI utility in the BIOS automatically records various information

about your system configuration and stores these information in

the DMI pool, which is a part of the system board's Plug and Play

BIOS. DMI, along with the appropriately networked software, is

designed to make inventory, maintenance and troubleshooting of

computer systems easier.

Rear Panel I/O Ports (PC 99 color-coded connectors)

• 2 USB 2.0/1.1 ports

• 1 RJ45 LAN port (748-AL only)

• 2 DB-9 serial ports

• 1 DB-25 parallel port

• 1 mini-DIN-6 PS/2 mouse port

• 1 mini-DIN-6 PS/2 keyboard port

• 1 game/MIDI port

• 3 audio jacks: line-out, line-in and mic-in

I/O Connectors

• 2 connectors for 4 additional external USB 2.0/1.1 ports

• 1 front audio connector for external line-out and mic-in jacks

• 2 internal audio connectors (CD-in and AUX-in)

• 1 S/PDIF-in/out connector

• 1 4-channel connector

• 1 connector for IrDA interface

• 2 IDE connectors

• 1 floppy drive connector

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