Octek HAWK 486 Manuel utilisateur

H A W K

4 8 6

The material in this manual is for information only and is subject to change without notice.

REVISION: 1.0

IBM, IBM PC/XT/AT, PC-DOS, MS-DOS, OS/2, INTEL, WEITEK, PHOENIX ARE THE

TRADEMARKS OR REGISTERED TRADEMARKS OF THEIR RESPECTIVE

OWNERS.

RADIO FREQUENCY INTERFERENCE STATEMENT

This equipment generates and uses radio frequency energy and if not

installed and used properly, that is, in strict accordance with the

manufacturer's instructions, may cause interference with radio and

television reception.

If this equipment does cause interference to radio or TV 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 the receiving antenna.

* Relocate the computer away from the receiver.

* Move the computer away from the receiver.

*Plug the power cord of computer into a different outlet so that computer

and receiver are on different branch circuits.

*Ensure that card slot covers are in place when no card is installed.

*Ensure that card mounting screws, attachment connector screws, and

ground wires are tightly secured.

*If peripherals are used with this system, it is suggested to use shielded,

grounded cables, with in-line filters if necessary.

If necessary, the user should consult the dealer service representative for

additional suggestions.

The manufacturer is not responsible for any radio or TV interferences

caused by unauthorized modifications to this equipment. It is the

responsibility of the user to correct such interferences.

Note

1. Electronic components are sensitive to dust and dirt. Do inspect

and clean the computer system regularly.

2. Turn off the power whenever you install or remove any connector,

memory module and add-on card. Before turning on the

power, make sure that all the connectors, memory modules and

add-on cards are secured.

3. After power is on, please wait for a minute. The system BIOS are

going through a self-test during this period and nothing is

shown on the screen. After the self-test, the system BIOS will

initialize the display adaptor and show messages.

4. The SIMM sockets are fragile device. Do not force the SIMM

modules into the sockets. It may break the locking latches.

Preface

The manual provides information about the installation and

maintenance of OCTEK HAWK-486 motherboard. In-depth

explanations of the functions of this motherboard are provided. In the

appendix, the system BIOS setup is explained.

The content in this manual is only for reference and is intended

to provide basic information for the general users. There are also some

technical information for hardware and software engineers.

In this manual, there are 4 chapters. Chapter 1 contains a brief

introduction and specification of OCTEK HAWK-486 motherboard. In

the Chapter 2, the functions of OCTEK HAWK-486 are explained. It

also outlines many advanced features of the CPU and the system

architecture. Chapter 3 explains the installation of DRAM modules and

jumpers. Some technical information are provided in the Chapter 4.

System BIOS and the system setup are described in the

Appendix A. All the setup procedures are explained.

Additional information are given in Appendix B, C and D for

the maintenance purpose.

CONTENT

Chapter 1 INTRODUCTION 1-1

Chapter 2 GENERAL FEATURES 2-1

Specification 2-1

Processor 2-3

Memory System 2-8

Dual Bus Design 2-9

System Functions 2-10

Chapter 3 INSTALLING COMPONENTS 3-1

Installing RAM Modules 3-1

Installing External Battery 3-3

Configuration of Memory 3-4

DRAM Configuration 3-5

Control of System Speed 3-6

Reset CMOS Setup 3-6

Information

System Board Jumper Setting 3-7

System Board Connectors 3-8

Chapter 4 TECHNICAL INFORMATION 4-1

Memory Mapping 4-1

I/O Address Map 4-2

System Timers 4-4

System Interrupts 4-6

Direct Memory Access (DMA) 4-7

Real Time Clock and CMOS 4-8

RAM

CMOS RAM Address Map 4-9

Real Time Clock Information 4-10

System Expansion Bus 4-11

APPENDIX A SYSTEM BIOS A-1

Setup Utility Description A-2

Prompt-Line Prompts A-5

Esoteric Prompts A-8

Setup Section A-9

APPENDIX B OPERATION & MAINTENANCE B-1

Static Electricity B-1

Keeping the System Cool B-1

Cleaning the "Golden Finger" B-2

Cleaning the Motherboard B-2

APPENDIX C TROUBLESHOOTING C-1

Main Memory Error C-1

Improper Setting of Wait State C-1

APPENDIX D SYSTEM BOARD LAYOUT D-1

Chapter 1

Introduction

_______________________________

OCTEK HAWK-486 consists of 32-bit 80486 microprocessor, a

large cache memory and highly integrated chipsets to provide high

performance, reliability and compatibility. OCTEK HAWK-486 is a

perfect choice for CAD/CAM workstation and file server and supports

sophisticated 32-bit computing applications and multi-user operating

systems.

The total memory is 32MB memory is installed on board and

flexible memory configuration for 256K 1M and 4M.

Compatibility and reliability are important issues. I/O channel

is compatible to standard AT bus. Therefore any AT compatible

peripherals may be used on OCTEK HAWK-486. On board

POWERGOOD generator is essential to ensure the reliability of the

system and is well-designed to work with all power supplies.

INTRODUCTION

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