Gigabyte GA-686DX Manual de usuario

GA - 686DX

USER'S MANUAL

Dual PENTIUMâ PCI - ISA BUS MAINBOARD

REV. 1 Fir t Edition

GA-686DX

The author assumes no responsibility for any errors or omissions which may

appear in this document nor does it make a commitment to update the

information contained herein.

I M PC/AT, PC/XT are trademarks of International usiness Machine

Corporation.

PENTIUM is a trademark of Intel Corporation.

AWARD is a trademark of Award Software, Inc.

MS-DOS WINDOWS NT are registered trademarks of Microsoft Corporation.

UNIX is a trademark of ell Laboratories.

DECEM ER 16, 1996 Taipei, Taiwan

TABLE OF CONTENTS

Table of Contents

1. INTRODUCTION.......................................................................................1

1.1. PREFACE...............................................................................................1

1.2. KEY FEATURES....................................................................................1

1.3. PERFORMANCE LIST...........................................................................2

1.4. BLOCK DIAGRAM..................................................................................3

1.5. INTRODUCE THE PCI - BUS................................................................4

1.6. FEATURES............................................................................................4

2. SPECIFICATION.......................................................................................1

2.1. HARDWARE...........................................................................................1

2.2. SOFTWARE...........................................................................................2

2.3. ENVIRONMENT.....................................................................................2

3. HARDWARE INSTALLATION...................................................................1

3.1. UNPACKING..........................................................................................1

3.2. MAINBOARD LAYOUT..........................................................................2

3.3. UICK REFERENCE FOR JUMPERS & CONNECTORS....................2

3.4. DRAM INSTALLATION..........................................................................5

3.5. CPU INSTALLATION AND JUMPERS SETUP......................................5

3.6. CMOS RTC & ISA CFG CMOS SRAM..................................................6

3.7. SPEAKER CONNECTOR INSTALLATION............................................6

3.8. HARDWARE RESET SWITCH CONNECTOR INSTALLATION............6

3.9. POWER LED & KEY LOCK CONNECTOR INSTALLATION.................6

3.10. GREEN FUNCTION INSTALLATION...................................................6

3.11. ATAPI DEVICE INSTALLATION..........................................................7

3.12. PERIPHERAL DEVICE INSTALLATION..............................................7

3.13. KEYBOARD & PS/2 MOUSE INSTALLATION.....................................7

3.14. KEYBOARD SETTING FUNCTION.....................................................7

4. BIOS CONFIGURATION..........................................................................1

4.1. ENTERING SETUP................................................................................1

4.2. CONTROL KEYS...................................................................................2

4.3. GETTING HELP.....................................................................................3

4.3.1. Main Menu....................................................................................3

GA-686DX

4.3.2. Status Page Setup Menu / Option Page Setup Menu..................3

4.4. THE MAIN MENU...................................................................................3

4.5. STANDARD CMOS SETUP MENU.......................................................5

4.6. BIOS FEATURES SETUP......................................................................9

4.7. CHIPSET FEATURES SETUP...............................................................13

4.8. POWER MANAGEMENT SETUP..........................................................15

4.9. PNP/PCI CONFIGURATION..................................................................17

4.10. INTEGRATED PERIPHERALS............................................................18

4.11. LOAD SETUP DEFAULTS...................................................................21

4.12. USER PASSWORD..............................................................................22

4.13. IDE HDD AUTO DETECTION..............................................................23

4.14. SAVE & EXIT SETUP...........................................................................24

4.15. EXIT WITHOUT SAVING.....................................................................25

5. AT TECHNICAL INFORMATION..............................................................1

5.1. I/O BUS CONNECTOR PIN OUT...........................................................1

5.1.1. ISA SLOT PIN OUT......................................................................1

5.1.2. PCI - BUS SLOT PIN OUT...........................................................2

5.2. I/O & MEMORY MAP.............................................................................3

5.3. TIMER & DMA CHANNELS MAP...........................................................3

5.4. INTERRUPT MAP..................................................................................4

5.5. RTC & CMOS RAM MAP.......................................................................5

APPENDIX A: POST MESSAGE.....................................................................1

APPENDIX B: POST CODES..........................................................................1

APPENDIX C: BIOS DEFAULT DRIVE TABLE...............................................1

APPENDIX D: PROBLEM SHEET...................................................................1

Introduction

1. INTRODUCTION

1.1. PREFACE

Welcome to use the GA - 686DX motherboard. The motherboard is a Dual

PENTIUMâ Pro Processor based PC / AT compatible system with ISA bus

and PCI Local us, and has been designed to be the fastest PC / AT system.

There are some new features allow you to operate the system with just the

performance you want.

This manual also explains how to install the motherboard for operation, and

how to set up your CMOS CONFIGURATION with IOS SETUP program.

1.2. KEY FEATURES

qDual Intel Pentiumâ Pro Processor based PC / AT compatible mainboard.

qTwo Socket 8 on board supports Pentiumâ Pro processor & P6T running

at 150-200 MHz.

qCPU L1 / L2 Write- ack cache operation.

qSupports 8 - 512 M DRAM memory on board.

q5 Master / Slave PCI us slots, 3 ISA us slots.

qSupports 2 channels Enhance PCI IDE ports for 4 IDE Device.

qSupports 2xCOM (16550), 1xLPT (EPP / ECP), 1x1.44M Floppy port.

qSupports Green function, Plug & Play function.

qLicensed AWARD IOS, FLASH EEPROM for IOS update.

qDALLAS 12887 like RTC on board.

1-1

GA-686DX

qATX form factor, 6 layers PC .

1.3. PERFORMANCE LIST

The following performance data list is the testing results of some popular

benchmark testing programs.

These data are just referred by users, and there is no responsibility for

different testing data values gotten by users. (The different Hardware &

Software configuration will result in different benchmark testing results.)

·CPU Pentiumâ Pro processor 200 MHz

·DRAM 32 M EDO

·CACHE SIZE 256K /512 K includeed in CPU

·DISPLAY Matrox Millennium 2M

·STORAGE Onboard IDE port + Quantum F 1280AT IDE Dirve

·O.S. Windows95 with Display Driver at 1024 x 768 x 256

colors x 70Hz & usMaster IDE Driver.

Program 512KB 256KB

Winstone32 index 143.3 140.5

Winstone96 index 88.6 87.7

WinBench96

CPUmark32 612.0 588.0

Disk WinMark96 1280.0 1280.0

Graphics WinMark96 36.5 36.5

1-2

Introduction

1.4. BLOCK DIAGRAM

1-3

GA-686DX

1.5. INTRODUCE THE PCI - BUS

Connecting devices to a CPU local bus can dramatically increase the speed of

I/O-bound peripherals with only a slight increase in cost over traditional

systems.

This price / performance point has created a vast market potential for local bus

products.

The main barrier to this market has been the lack of an accepted standard for

local bus peripherals.

Many mainboard and chipset manufactures developed their own local bus

implementations, but they are incompatible with each other.

The VL (Video Electronics Standards Association) local bus and PCI

(Peripheral Component Interconnect) bus specification was created to end this

confusion.

The PCI - bus standard, under development since Jun. 1992, which is

designed to bring workstation-level performance to standard PC platform. The

PCI - bus removes many of the bottlenecks that have hampered PC for

several years.

On the PCI - bus, peripherals operate at the native speed of the computer

system, thus enabling data transfer between peripherals and the system at

maximum speed.

This performance is critical for bandwidth-constrained devices such as video,

multimedia, mass storage, and networking adapters.

PCI - bus standard provides end-users with a low-cost, extendible and

portable local bus design, which will allow system and peripherals from

different manufactures to work together.

1.6. FEATURES

q32 bits bus transfer mode.

qus Master or Slave access.

qMemory burst transfer to 132 M /sec.

q33 MHz operation speed.

q10 device loading ability.

1-4

Introduction

qCPU independent.

1-5

Specification

2. SPECIFICATION

2.1. HARDWARE

· CPU - Dual Pentiumâ Pro processor 150 - 200 MHz.

- Pentiumâ Pro OverDriveâ processor (P6T).

- Two 387 pins (socket 8) ZIF socket on board.

· COPROCESSOR - Included in Pentium.

· SPEED - 60 / 66 MHz system speed.

- 30 / 33 PCI- us speed.

- 7.5 / 8 MHz AT bus speed.

· DRAM MEMORY - 3 banks 72 pins SIMM module socket on board.

- Use 4 / 8 / 16 / 32 / 64 /128 M 60~70 ns SIMM

module DRAM.

- 8 ~ 512 M DRAM size.

- Support Fast Page / EDO DRAM access mode.

· CACHE MEMORY - 16 K cache memory included in CPU.

- 256K /512 K 2nd cache in CPU.

- Support Write ack cache mode for L1/L2 Cache.

· I/O BUS SLOTS - 5 Master / Slave PCI- US.

- 3 16 bits ISA US.

· IDE PORTS - 2 Enhanced IDE channels on board.(Using

IRQ14,15)

- Support Mode 3,4 IDE & ATAPI CD - ROM.

2-1

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