PCchips MB694A Manuale utente

Important Information

This publication, including all photographs, illustrations and

software, is protected under international copyright laws, with all

rights reserved. Neither this manual, nor any of the material con-

tained herein, may be reproduced without the express written

consent of the manufacturer.

Version 1.0

Disclaimer

The information in this document is subject to change without

notice. The manufacturer makes no representations or warran-

ties with respect to the contents hereof and specifically disclaims

any implied warranties of merchantability or fitness for any par-

ticular purpose. Further, the manufacturer reserves the right to

revise this publication and to make changes from time to time in

the content hereof without obligation of the manufacturer to no-

tify any person of such revision or changes.

Trademark Recognition

Microsoft, MS-DOS and Windows are registered trademarks of

Microsoft Corp.

MMX, Pentium, Pentium-II, Pentium-III, Celeron are registered

trademarks of Intel Corporation.

Other product names used in this manual are the properties of

their respective owners and are acknowledged.

Federal Communications Commission (FCC)

This equipment has been tested and found to comply with the lim-

its 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 in a residential installation. This

equipment generates, uses, and can radiate radio frequency en-

ergy and, if not installed and used in accordance with the

instructions, may cause harmful interference to radio communica-

tions. 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 en-

couraged 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 onto an outlet on a circuit differ-

ent from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician

for help.

Shielded interconnect cables and a shielded AC power cable

must be employed with this equipment to ensure compliance

with the pertinent RF emission limits governing this device.

Changes or modifications not expressly approved by the sys-

tem’s manufacturer could void the user’s authority to operate the

equipment.

iii

Declaration of Conformity

This device complies with part 15 of the FCC rules. Operation is

subject to the following conditions:

This device may not cause harmful interference, and

This device must accept any interference received, in-

cluding interference that may cause undesired operation.

Canadian Department of Communications

This class B digital apparatus meets all requirements of the Ca-

nadian Interference-causing Equipment Regulations.

Cet appareil numérique de la classe B respecte toutes les exi-

gences du Réglement sur le matériel brouilieur du Canada.

About the Manual

The manual consists of the following chapters:

Introduction

Use the Introduction Chapter to learn about the features of the

mainboard, and verify the checklist of items that are shipped

with the package.

Installation

Use the Installation Chapter to learn how to install the main-

board and get your system up and running.

Setup

Use the Setup Chapter to configure the mainboard for optimum

performance.

Software

Use the Software Chapter to learn how to install the software

drivers and support programs that are provided with this main-

board.

Contents

Important Information i

Disclaimer i

Trademark Recognition ii

Federal Communications Commission (FCC) ii

Declaration of Conformity iii

Canadian Department of Communications iii

About the Manual iv

CHAPTER 1: INTRODUCTION 1

Welcome 1

Checklist 2

Recommendations 3

Features 4

CHAPTER 2: INSTALLATION 7

Quick Installation Table 7

Quick Jumper Setting Reference 8

Before You Begin 12

Static Electricity 12

Choosing a Case 12

How to Set Jumpers 13

Preparing the Mainboard 14

Mainboard Guide 14

I/O Ports Side View 16

Check the Jumper Settings 17

Installing the Mainboard in a Case 21

Connecting Internal Components 22

Installing Other Hardware 24

Installing the Processor 24

Install the Memory Modules 26

Installing a Hard Disk Drive and CD-ROM 28

Installing a Floppy Diskette Drive 31

Using the Expansion Slots 32

Add-in Card Options 35

Making External Connections 37

External Connector Color Coding 38

CHAPTER 3: SETUP 39

About the Setup Utility 39

Entering the Setup Utility 40

BIOS Navigation Keys 41

Using BIOS 42

How to Flash a New BIOS 43

Standard CMOS Setup Option 44

Advanced CMOS Setup Option 47

Advanced Chipset Features Option 51

Integrated Peripherals Option 55

Power Management Setup Option 59

PNP/PCI Configuration Option 65

PCI Health Status Option 67

Frequency Control Option 68

Load Fail-Safe Defaults Option 69

Load Optimized Defaults Option 69

Set Supervisor and User Passwords Options 70

Save & Exit Setup Option 71

Exit Without Saving Option 71

CHAPTER 4: SOFTWARE 73

Driver Folders 73

Utility Folders 73

Driver Installation Notes 74

IDE 74

Audio 74

Utility Folder Installation Notes 74

Welcome

Congratulations on purchasing MB694A mainboard. The

MB694A mainboard is an ATX mainboard that uses a 4-layer

printed circuit board and measures 304 mm x 190 mm. The

mainboard features a Socket 370 that accommodates PPGA

Celeron, FC-PGA Pentium III, and Cyrix III processors that sup-

port frontside bus (FSB) speeds up to 133 MHz.

This MB694A uses the VIA family chipset and features the AC

97 audio codec. The mainboard delivers high-level performance

with a 4xAGP (Accelerated Graphics Port) slot and two PCI Bus

Master Ultra DMA (UDMA) ports that support up to four ATAPI (AT

Attachment Packet Interface) devices. The PCI IDE also supports

PIO Mode 3 and 4, UDMA33/66 IDE, and an ATAPI CD-ROM.

The mainboard accommodates PC 100/133 SDRAM (Synchro-

nous DRAM) up to 1.5 GB using three 3.3V unbuffered DIMM

modules. The MB694A also has a full set of I/O ports, such as dual

channel IDE interfaces, a floppy controller, two FIFO serial port

connectors, an EPP/ECP-capable bi-directional parallel port con-

nector, a dual USB (Universal Serial Bus) connector, and PS/2

keyboard and mouse connectors.

One AGP slot, five PCI local bus slots, and one audio modem riser

(AMR) slot provide expandability for add-on peripheral cards.

This chapter contains the following information:

Checklist comprises a list of the standard and optional

components that are shipped with this mainboard

Recommendations lists some Do’s and Don’ts from the

manufacturer to help ensure reliability and performance

from this product

Features highlights the functions and components that

make this one of the best value mainboards on the mar-

ket

Checklist

Compare the contents of your mainboard package with the stan-

dard checklist below. If any item is missing or appears damaged,

please contact the vendor of your mainboard package.

Standard Items

One mainboard

One diskette drive ribbon cable and bracket

One IDE drive ribbon cable and bracket

This user’s manual

Software support CD-ROM disc

Recommendations

This mainboard automatically determines the CPU clock fre-

quency and system bus frequency for the kind of processor that

you install. You may be able to change these automatic settings

by making changes to jumpers on the mainboard, or changing

the settings in the system Setup Utility. We strongly recommend

that you do not overclock the mainboard to run processors or

other components faster than their rated speed.

Warning: Overclocking components can adversely affect the reliabil-

ity of the system and introduce errors into your system. Overclocking

can permanently damage the mainboard by generating excess heat

in components that are run beyond the rated limits.

Components on this mainboard can be damaged by discharges

of static electricity. Handle the board carefully holding it by the

edges. Don’t flex or stress the circuit board. Keep the board in

its static-proof packing until you are ready to install it. Follow the

static guidelines given at the beginning of Chapter 2.

Features

The key features of this mainboard are the wide range of proc-

essors that can be installed, and the high level of integration.

Value-class Processors

Functioning as a platform for a value PC, the MB694A features a

Socket 370 that accommodates PPGA Celeron, Pentium III, and

Cyrix III processors. The MB694A supports 66/100/133 MHz

FSB speeds.

VIA North Bridge Chipset

This board features the VIA VT82C694X NB (North Bridge)

chipset, enabling synchronous and asynchronous frequency op-

eration between the processor and the memory over a wide

frequency range. The NB chipset is optimized for Pentium III

processors at 66/100/133 MHz Front Side Bus (FSB) frequency

and supports 32-bit processor bus addressing.

The integrated DRAM controller supports up to four double-

sided DIMMs consisting of EDO, SDRAM, or VCM SDRAM. The

NB chipset provides SDRAM with 64-bit data access.

The AGP interface is AGP specification Rev 2.0 compliant, and

supports 2x/4x/4x 3.3/1.5V devices. The PCI bus interface com-

plies with PCI Rev. 2.1, and supports 3.3V and power supplies.

Five PCI bus masters are supported in addition to the host and

PCI-to-ISA I/O bridge.

VIA South Bridge Chipset

The VIA VT82C686A SB (South Bridge) chipset comes in a 352-

pin BGA package. The PCI to ISA Bridge has an integrated ISA

bus controller with integrated DMA, timer, and interrupt control-

lers.

The Real Time Clock features extended 256 byte CMOS RAM

and a day and month alarm for the ACPI (Advanced Configura-

tion and Power Interface).

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