DFI G486-EVB Bedienungsanleitung

G486-EVB

Rev.A

System Board

User’s Manual

-D24341209-

No part of this document may be copied or reproduced

in any form or by any means without the prior written

consent of DFI, Inc.

DFI, Inc. makes no warranties with respect to this

documentation and disclaims any implied warranties of

merchantability, quality, or fitness for any particular

purpose. The information in this document is subject to

change without notice. DFI, Inc. reserves the right to

make revisions to this publication and to make changes

to any and/or all parts of its content, at any time,

without obligation to notify any person or entity of such

changes. Further, DFI, Inc. assumes no responsibility

for any errors that may appear in this document.

DFI is a registered trademark, and G486-EVB is a

trademark of Diamond Flower, Inc. All other product

names mentioned are trademarks or registered trade-

marks of their respective companies.

vFCCStatementonClassB

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 interfer-

ence 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 modification 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.

v Table of Contentsv

Introduction .................................................................................

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

Installation Overview .................................................................

Preparing the Area ................................................................

Handling the System Board ..................................................

Tips in Handling the System Board ...............................

Hardware Installation.............................................................

Memory Installation .........................................................

Installing the Modules ..............................................

Board Configuration ...............................................................

Jumper Settings ..............................................................

Locations of Jumpers JP3 and JP15 .....................

Jumper Settings for VL-Bus Add-on Boards .........

Jumper Settings for Light and Deep Green ...........

Cache Configuration .......................................................

Jumper Settings for Cache Memory ......................

CPU Installation and Upgrade .......................................

Jumper Settings for CPUs ......................................

Installing Upgrade CPUs ........................................

Installing the System Board ..................................................

Initial Setup Program .................................................................

Award BIOS CMOS Setup Utility ..........................................

Standard CMOS Setup ...................................................

BIOS Features Setup .....................................................

Chipset Features Setup .................................................

Power Management Setup ............................................

Load BIOS Defaults ........................................................

Load Setup Defaults .......................................................

Password Setting ............................................................

IDE HDD Auto Detection ................................................

Save and Exit Setup .......................................................

Exit Without Saving ........................................................

1-1

1-2

2-1

2-2

2-4

2-5

2-6

2-8

2-10

2-11

2-13

2-14

2-15

2-20

2-25

3-1

3-2

3-5

3-7

3-8

3-9

3-10

3-11

3-14

Troubleshooting ...........................................................................

Appendix A: Types of Modules .................................................

Appendix B: System Error Report ............................................

Appendix C: Memory and I/O Maps ..........................................

Appendix D: 16-Bit ISA I/O Pin Assignments ..........................

Appendix E: VL-Bus I/O Pin Assignments ...............................

Appendix F: Connector Pin Assignments ...............................

Appendix G: Award BIOS Hard Disk Table .............................

4-1

A-1

B-1

C-1

D-1

E-1

F-1

G-1

EnergyStarCompliantSystemBoard

1-1 uIntroduction

vIntroduction

The G486-EVB is an Energy Star Compliant system

board that meets the Environmental Protection Agency’s

Green PC requirements. It reduces energy consumption

to 15 Watts or less by automatically turning off periph-

erals or the entire system, when not in use.

The G486-EVB accommodates all of the Intel 486

family of CPUs including the energy saving SL En-

hanced CPUs. The system board may be equipped with

an 80486SX or 80486DX at 25/33 MHz, an 80486DX2

at 50/66 MHz, and, when equipped with optional 3.3V

support, an 80486DX4 at 75/100 MHz. It will also

support the Intel486 OverDrive Processor, AMD

486DXL low power processor, Cyrix Cx486DX/DX2

and Cx486S/S2 CPUs.

The G486-EVB uses 256K x 36, 1M x 36 and 4M x 36

HSIM modules. The memory can be configured to six

different sizes from 1MB to 64MB. In addition, the

G486-EVB is equipped with three 32-bit VESA

VL-Bus, and six 16-bit and one 8-bit ISA expansion

slots.

G486-EVB

Features and Specifications

•Microprocessor

Intel 486SX-25/33, 486DX-33, 486DX2-50/66,

SL Enhanced CPUs, Intel486TM DX2

OverDrive Processor,

80486DX4-75/100 (with optional 3.3V support)

AMD 486DXL low power CPU

Cyrix Cx486S-25/33, Cx486S2-50/66,

Cx486DX-25/33 and Cx486DX2-50/66

•Energy-Efficient Design

Intel SL Enhanced CPU ready

Supports system power management

Supports CPU stopped clock

Supports optional external power management

switch

Supports power saving video mode

•Chipset

EC802G: system and cache controller

EC100: data buffer

•BIOS

Award system BIOS

•Cache Memory

128K, 256K or 512K

Supports direct map write-back or write-through

cache subsystem

•Memory Onboard

1MB to 64MB

Introduction u1-2

EnergyStarCompliantSystemBoard

•DRAM Type

256K x 36, 1M x 36 and 4M x 36 HSIMMs

•Slots

Three VESA VL-Bus slots

Six 16-bit ISA slots

One 8-bit ISA slot

•Power Management

Flexible Doze mode, Standby mode and Suspend

mode transitions using SMM type of CPUs and

SMM software handler.

Built-in hardware auto-transition mechanism.

Microsoft APM supported.

•PCB

4 layers

1-3 uIntroduction

PackageChecklist

The G486-EVB package contains the following items:

•The G486-EVB system board

•One G486-EVB user’s manual

If either of these items is missing or damaged, please

contact your dealer or sales representative for assistance.

G486-EVB

Installation Overview u2-1

vInstallation Overview

This chapter summarizes the steps in installing the

G486-EVB system board into your system unit. It also

includes a description of the area in which you must

work and directions for memory installation. Before

installing the system board, obtain the memory you plan

to install. Please refer to the memory chart on page 2-3

for the number and type of HSIM modules needed.

Preparing the Area

Before unpacking the system board, make sure the

location you have selected is relatively free of dust and

static. Excessive exposure to dust, static electricity,

direct sunlight, excessive humidity, extreme cold and

water can damage the operational capabilities of your

system board. Avoid soft surfaces such as beds and

carpeted floors which can hinder air circulation. These

areas also attract static electricity which can damage

some circuits on your system board.

Be sure that the power source has a properly grounded,

three-pronged socket. It is essential that the power

connection be properly grounded for correct functioning

of your system board. For further protection, we recom-

mend that you use a surge protection socket. This will

protect the system board from damage that may result

from a power surge on the line.

Move items that generate magnetic fields away from your

system board, since magnetic fields can also damage your

system board. Once you have selected the ideal location,

unpack the G486-EVB system board carefully.

EnergyStarCompliantSystemBoard

Handling the System Board

It is quite easy to inadvertently damage your system

board even before installing it in your system unit.

Static electrical discharge can damage computer compo-

nents without causing any signs of physical damage.

You must take extra care in handling the system board

to ensure that no static build-up is present.

Tips in Handling the System Board

1) To prevent electrostatic build-up, leave the board in

its anti-static bag until you are ready to install it.

2) Do all preparation work on a static-free surface with

components facing up.

3) Hold the system board by its edges only. Be careful

not to touch any of the components, contacts or

connections, especially gold contacts on the board.

4) Avoid touching the pins or contacts on all modules

and connectors. Hold modules and connectors by

their edges.

Hardware Installation

Memory Installation

The G486-EVB system board can support 1MB to

64MB of memory using HSIMM. HSIMM is an acro-

nym for High Density Single In-line Memory Module.

A HSIMM consists of RAM chips soldered onto a small

circuit board. A HSIMM connects to the system board

via a 72-pin card-edge connector.

2-2 uInstallation Overview

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