Gigabyte GA-686FX GA-686FX User Manual

GA - 686FX

USER'S MANUAL

PENTIUM Pro PCI - ISA BUS MAINBOARD

REV. 1 Second Edition

Met opmerkingen [G2]:
Met opmerkingen [G3]:

GA-686FX

2

Who need 82440FX?

1. If you want to get the best performance.
(Because more buffers & Quick DRAM Timing is supported.)

2. If your DATABASE is very imporant.
(Because single bit error correction & Multi-bit error detection is supported.)

3. If you want to use memory more than 64MB.
(Because 512MB memory size is supported.)

4. If you need more flexibility to upgrade your memory.
(Because 3 banks DRAM is supported.)

5. If you need a USB ports for C&C application.
(Because 2 USB ports will be ready in the end of Q4/96".)

Why do you need GA-686FX 82440FX motherboard?

1. The motherboard supports 3 Banks ( 6 pcs. 72 pin Socket ) memory, in
order to get more flexibility way to upgrade memory size.

2. The motherboard supports automatically Detecting CPU Voltage.

3. The motherboard supports Jumperless ( DIP Switch ) which is easy to adjust
frequency of CPU.

4. The motherboard supports Soft power-off on Windows 95.

5. The motherboard supports two serial ports for external modem ring on.

6. The motherboard supports CPU over temperature protect function. When
the CPU temperature over 70 degrees, first the system will protect CPU to
avoid over-heating. Secondary warning sound comes from the system
speaker. At the same time turn on green LED lamp indicates the CPU
temperature is too high. It is time to check your CPU cooling-fan.

Quick Installation Guide:

Table of Contents

3

DIP SWITCH (S1)

FREQ.

EXT.CLK.

INT.CLK.

CPU Type

1 2 3 4 RATIO

MHz

MHz

ON

ON

OFF

OFF

2.5

60

150

PENTIUM Pro 150 MHz

OFF

ON

OFF

OFF

2.5

66

166

PENTIUM Pro 166 MHz

ON

OFF

ON

OFF 3 60

180

PENTIUM Pro 180 MHz

OFF

OFF

ON

OFF 3 66

200

PENTIUM Pro 200 MHz

1. Pentium Pro 150 MHz

Pentium Pro 150 MHz for 256K / 512K

1234

ON

OFF

CPU

721

+

1
1

1

1

1

1

1

1

GA-686FX

4

2. Pentium Pro 166 MHz

Pentium Pro 166 MHz for 256K / 512K

1234

ON

OFF

CPU

721

+

1
1

1

1

1

1

1

1

3. Pentium Pro 180 MHz

Pentium Pro 180 MHz for 256K / 512K

1234

ON

OFF

CPU

721

+

1
1

1

1

1

1

1

1

Table of Contents

5

4. Pentium Pro 200 MHz

Pentium Pro 200 MHz for 256K / 512K

1234

ON

OFF

CPU

721

+

1
1

1

1

1

1

1

1

PWR : Power / Key-Lock Connector

1

Pin No. Function

12LED anode (+)

LED cathode (-)3

NC

45Key Lock

GND.

CPU

721

+

1
1

1

1

1

1

1

1

GA-686FX

6

SPK : Speaker Connector

1

Pin No. Function

1
2
3
4

VCC
NC
NC
Data

CPU

721

+

1
1

1

1

1

1

1

1

TD : Turbo LED Connector

1

Pin No. Function

12LED anode (+)

LED cathode (-)

CPU

721

+

1
1

1

1

1

1

1

1

Table of Contents

7

TB : Turbo Switch Connector (Function reserved)

CPU

721

+

1
1

1

1

1

1

1

1

RST : Reset Switch

11

Close : For hardware reset system.Open : Normal operation.

CPU

721

+

1
1

1

1

1

1

1

1

GA-686FX

8

GD : Green Function LED

1

Pin No. Function

1
2

LED anode (+)
LED cathode (-)

CPU

721

+

1
1

1

1

1

1

1

1

GN : Green Function Switch

1

1

Close One Time : For system entering Green mode.

Open : Normal operation.

CPU

721

+

1
1

1

1

1

1

1

1

Table of Contents

9

HD : IDE Hard Disk Active LED

1

Pin No. Function

1
2

LED anode (+)
LED cathode (-)

CPU

721

+

1
1

1

1

1

1

1

1

Soft Power Connector :

1

Pin No. Function

1
2 CTRL-Signal

GND

CPU

721

+

1
1

1

1

1

1

1

1

S1-1 : System Speed Selection

GA-686FX

10

1234

ON

OFF

1234

ON

OFF

For 60 MHz syste speed (CPU 150, 180 MHz).

For 66 MHz syste speed (CPU 166, 200 MHz).

S1-2,3,4 : CPU INT. / EXT. FREQ. RATIO

Function1234

ON

OFF

1234

ON

OFF

X 2.5 X 3

S1-2 S1-3 S1-4

ON OFF

ONOFF OFF

OFF X 2.5

X 3

CPU

721

1
1

1

1

1

1

1

1

Table of Contents

11

JP3 : CPU cooling FAN Power Connector

1

Pin No. Function

1
2 +12V

GND

CPU

721

+

1

1

1

1

1

1

1

1

GND
+12V

IDE1 : For Primary IDE port

RED LINE

1

CPU

721

+

1
1

1

1

1

1

1

1

GA-686FX

12

IDE2 : For Secondary IDE port

RED LINE

1

CPU

721

+

1
1

1

1

1

1

1

1

FLOPPY PORT :

RED LINE

1

CPU

721

+

1
1

1

1

1

1

1

1

Table of Contents

13

Power2 : ATX POWER Connector

Pin No. Function

3,5,7,13,15-17

4,6,19,20

GND

10
12
18

8

+12V

-12V

-5V

VCC (+5V)

Power Good

9

14

5V SB (Stand by +5V)
PS-ON (Soft ON/OFF)

CPU

721

+

1
1

1

1

1

1

1

1

JP2 : PS/2 MOUSE:

RED LINE

1

CPU

721

+

1
1

1

1

1

1

1

1

GA-686FX

14

LPT PORT :

RED LINE

1

CPU

721

+

1
1

1

1

1

1

1

1

CN2 : COM B

1

RED LINE

CPU

721

+

1
1

1 2

1

1

1

1

1

1

Table of Contents

15

CN3 : COM A

1

RED LINE

CPU

721

+

1
1

1 2

1

1

1

1

1

1

Power1 : PS/2 POWER Connector

Pin No. Function

1

2,10,11,12

GND

3
4

5,6,7,8

9

+12V

-12V

-5V

VCC (+5V)

Power Good signal

CPU

721

+

1
1

1

1

1

1

1

1

GA-686FX

16

JP1 : Keyboard Connector

Pin No. Function

1
2
3
4
5

Key Clock.

Key Data
NC

VCC (+5V)

GND

6

NC

CPU

721

+

1
1

1

1

1

1

1

1

Table of Contents

17

Top Performance Test Setting:

ROM PCI / ISA BIOS

CHIPSET FEATURES SETUP

AWARD SOFTWARE, INC.

: Select ItemESC
F1
F5
F7 : Load Setup Defaults

: Quit
: Help
: Old Values

PU/PD/+/­(Shift)F2

: Modify
: Color

MA Additional Wait State

: x2 / 2 / 3

Auto Configuration

DRAM ECC/PARITY Select

: Enabled

Memory Hole At 15M-16M : Disabled

: Disabled

Video RAM Cacheable

DRAM RAS# Precharge Time : 3

RAS# To CAS# Delay

: Enabled

DRAM Read Burst (B / E / F)
DRAM Write Burst (B / E / F)
ISA Bus Clock : PCICLK / 4
DRAM Refresh Queue : Enabled

Read-Around-Write : Enabled
PCI Burst Write Combine
PCI-To-DRAM Pipeline : Enabled
CPU-To-P CI Write Post : Enabled
CPU-To-P CI IDE Posting : Enabled

: Disabled

: Disabled
: Disabled

: x2 / 2 / 3

** Note:
Please Disabled Two Options when user use ET4000/W32P PCI VGA Cards:



PCI Burst write Combine : Disabled



Video RAM Cacheable: Disabled

GA-686FX

18

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.

IBM PC/AT, PC/XT are trademarks of International Business 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 Bell Laboratories.

OCTOBER 14, 1996 Taipei, Taiwan

TABLE OF CONTENTS

1. INTRODUCTION ....................................................................................... 1-

1

Table of Contents

19

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

1

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

1

1.3. PERFORMANCE LIST .......................................................................... 1-

2

1.4. BLOCK DIAGRAM ................................................................................. 1-

3

1.5. INTRODUCE THE PCI - BUS................................................................ 1-

4

1.6. FEATURES............................................................................................ 1-

4

2. SPECIFICATION ....................................................................................... 2-

1

2.1. HARDWARE .......................................................................................... 2-

1

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

2

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

2

3. HARDWARE INSTALLATION ................................................................... 3-

1

3.1. UNPACKING ......................................................................................... 3-

1

3.2. MAINBOARD LAYOUT.......................................................................... 3-

2

3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS ................... 3-

2

3.4. DRAM INSTALLATION.......................................................................... 3-

4

3.5. CPU INSTALLATION AND JUMPERS SETUP ..................................... 3-

7

3.6. CMOS RTC & ISA CFG CMOS SRAM.................................................. 3-

10

3.7. SPEAKER CONNECTOR INSTALLATION ........................................... 3-

10

GA-686FX

20

3.8. HARDWARE RESET SWITCH CONNECTOR INSTALLATION ........... 3-

10

3.9. POWER LED CONNECTOR INSTALLATION ...................................... 3-

10

3.10. GREEN FUNCTION INSTALLATION .................................................. 3-

11

3.11. ATAPI DEVICE INSTALLATION ......................................................... 3-

11

3.12. PERIPHERAL DEVICE INSTALLATION ............................................. 3-

11

3.13. KEYBOARD & PS/2 MOUSE INSTALLATION ................................... 3-

11

3.14. KEYBOARD SETTING FUNCTION .................................................... 3-

11

4. BIOS CONFIGURATION ........................................................................... 4-

1

4.1. ENTERING SETUP ............................................................................... 4-

1

4.2. CONTROL KEYS................................................................................... 4-

2

4.3. GETTING HELP .................................................................................... 4-

3

4.3.1. Main Menu ................................................................................... 4-

3

4.3.2. Status Page Setup Menu / Option Page Setup Menu ................. 4-

3

4.4. THE MAIN MENU .................................................................................. 4-

3

4.5. STANDARD CMOS SETUP MENU....................................................... 4-

5

4.6. BIOS FEATURES SETUP ..................................................................... 4-

9

4.7. CHIPSET FEATURES SETUP .............................................................. 4-

13

4.8. POWER MANAGEMENT SETUP ......................................................... 4-

16

Table of Contents

21

4.9. PNP/PCI CONFIGURATION ................................................................. 4-

18

4.10. LOAD BIOS DEFAULTS...................................................................... 4-

19

4.11. LOAD SETUP DEFAULTS .................................................................. 4-

20

4.12. INTEGRATED PERIPHERALS ........................................................... 4-

21

4.13. SUPERVISOR / USER PASSWORD .................................................. 4-

24

4.14. IDE HDD AUTO DETECTION ............................................................. 4-

25

4.15. HDD LOW LEVEL FORMAT ............................................................... 4-

26

4.16. SAVE & EXIT SETUP .......................................................................... 4-

27

4.17. EXIT WITHOUT SAVING ..................................................................... 4-

28

5. AT TECHNICAL INFORMATION ............................................................... 5-

1

5.1. I/O BUS CONNECTOR PIN OUT ....................................................... 5-

1

5.1.1. ISA SLOT PIN OUT ..................................................................... 5-

1

5.1.2. PCI - BUS SLOT PIN OUT .......................................................... 5-

2

5.2. I/O & MEMORY MAP .......................................................................... 5-

3

5.3. TIMER & DMA CHANNELS MAP ....................................................... 5-

3

5.4. INTERRUPT MAP .............................................................................. 5-

4

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

5

APPENDIX A: POST MESSAGE .................................................................... A-

1

GA-686FX

22

APPENDIX B: POST CODES ......................................................................... B-

1
APPENDIX C: BIOS DEFAULT DRIVE

TABLE ............................................................................................................. C

-1
APPENDIX D: PROBLEM

SHEET............................................................................................................. D

-1

Introduction

1-1

1. INTRODUCTION

1.1. PREFACE

Welcome to use the GA - 686FX motherboard. The motherboard is a PENTIUM



Pro Processor based PC / AT compatible system with ISA bus and PCI Local

Bus, 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 BIOS SETUP program.

1.2. KEY FEATURES

❑

Intel Pentium Pro Processor based PC / AT compatible mainboard.

❑

Socket 8 on board supports Pentium Pro processor & P6T running at 150-

200 MHz.

❑

CPU L1 / L2 Write-Back cache operation.

❑

Supports 8 - 512 MB DRAM memory on board.

❑

4 Master / Slave PCI Bus slots, 3 ISA Bus slots.

❑

Supports 2 channels Enhance PCI IDE ports for 4 IDE Devices.

❑

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

❑

Supports Green function, Plug & Play function.

❑

Licensed AWARD BIOS, FLASH EEPROM for BIOS update.

❑

BECHMARQ3287 / DALLAS 12887 / ODIN 12C887 RTC on board.

❑

Baby AT form-factor, 4 layers PCB.

1.3. PERFORMANCE LIST

GA-686FX

1-2

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

Pentium Pro processor 180 / 200 MHz

• DRAM

8 MB * 4 pcs. Total 32 MB EDO (Panasonic EUXSR08XX00E)

• CACHE SIZE

256KB/512 KB included in CPU

• DISPLAY

Matrox Millennium 2MB

• STORAGE

Onboard IDE port + Quantum Fireball 1280AT IDE Drive

• O.S.

Windows95 with Display Driver at 1024 x 768 x 256 colors &
Bus Master IDE Driver.



DOS➢

Program

Item

Unit

180MHz/

256KB

200 MHz/

256KB

200 MHz/

512KB

LandMark Speed

CPU

MHz

1138.59

1265.13

1265.16

FPU

MHz

3020.90

3356.61

3383.76

V2.0

VIDEO

chr/ms

21345.00

21370.00

21370.00

MIPS

Mips

86.2

94.8

94.8

Power Meter

Dhrystone

K-Dstone/s

151.4

166.6

166.6

Whetstone

K-Wstone/s

33310.4

37011.6

37011.6

V1.81

Data Transfer Rate

KB/S

8058.5

10744

10744.6

Mean Seek

ms

10.0

10.6

10.6

Track-Track Seek

ms

2.1

2.1

2.1

Norton System Info.

CPU

Index

451.2

501.4

501.4

V8.0

Disk

Index

22.8

24.6

25.7

Core Test

DATA Transfer Rate

KB/S

7024

7776

7776

Sequential Read

ms

6929

6944

6944

V.3.02

Random Read

ms

2176

2176

2208

Performance Index

Index

47.53

51.95

51.95



Windows 95➢

-With Matrox Millennium Display Driver 1024*768*256

-With Triones Bus Master IDE Driver

Program

Item

180 MHz/

256KB

200 MHz/

256KB

200 MHz/

512KB

Winstone32

index

129.9

140

144.2

Winstone96

index

82.4

88.4

90.5

WinBench96

Graphics Winbench96

35.6

38.9

39

CPUmark16

325

362

367

CPUmark32

492

560

614

1.4. BLOCK DIAGRAM

Introduction

1-3

Pentium Pro Processor

R

3.3V

Main
Memory
(DRAM)

Control

Address

Data

Host Bus

Second Level

Cache

PMC

Addr

Cntl

PCI Bus

Control

Address/Data

PCI

Device(s)

ISA

Device(s)

PIIX3CD ROM

Hard Disk

Fast IDE

ISA Bus

I/O

Device(s)

Cntl

Data

DBX

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.

GA-686FX

1-4

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

❑

32 bits bus transfer mode.

❑

Bus Master or Slave access.

❑

Memory burst transfer to 132 MB/sec.

❑

33 MHz operation speed.

❑

10 device loading ability.

❑

CPU independent.

Specification

2-1

2. SPECIFICATION

2.1. HARDWARE

• CPU

− Pentium



Pro processor 150 - 200 MHz.

− Pentium



Pro OverDrive processor (P6T).

− 387 pins (socket 8) ZIF socket on board.

• COPROCESSOR

− Included in Pentium.

• SPEED

− 60 / 66 MHz system speed.

− 30 / 33 PCI-Bus 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 MB 60~70 ns SIMM

module DRAM.

− 8 ~ 512 MB DRAM size.

− Supports Fast Page / EDO DRAM access mode.

• CACHE MEMORY

− 16 KB cache memory included in CPU.

− 256KB/512 KB 2nd cache in CPU.

− Supports Write Back cache mode for L1/L2 Cache.

• I/O BUS SLOTS

− 4 Master / Slave PCI-BUS.

− 3 16 bits ISA BUS.

• IDE PORTS

− 2 Enhanced IDE channels on board.(Using

IRQ14,15)

− Supports Mode 3,4 IDE & ATAPI CD - ROM.

• I/O PORTS

− Supports 2 16550 COM ports. (Using IRQ4, 3)

− Supports 1 EPP/ECP LPT port. (Using IRQ7 or 5

and DMA3 or 1)

− Supports 1 1.44/2.88 MB Floppy port. (Using DMA2

& IRQ6)

− Supports PS/2 Mouse. (Using IRQ12 )

GA-686FX

2-2

• GREEN FUNCTION

− Standby & Suspend mode support.

− Green switch & LED support.

− IDE & Display power down support.

− Monitor all IRQ / DMA / Display / I/O events.

• BIOS

− 128KB FLASH EEPROM.

− Supports Plug & Play Function.

• DIMENSION

− Baby AT Form Factor, 4 layers PCB.

2.2. SOFTWARE

• BIOS

− Licensed AWARD BIOS.

− AT CMOS Setup, BIOS / Chipset Setup, Green

Setup, Hard Disk Utility included.

• O.S.

− Operation with MS-DOS



, Windows95,

WINDOWS NT, OS/2, NOVELL and SCO UNIX.

2.3. ENVIRONMENT

• Ambient Temp.

− 0C to +50C (Operating).

• Relative Hum.

− 0 to +85% (Operating).

• Altitude

− 0 to 10,000 feet (Operating).

• Vibration

− 0 to 1,000 Hz.

• Electricity

− 4.9 V to 5.2 V.

− Max. 20A current at 5V.

Hardware Installation

3-1

3. HARDWARE INSTALLATION

3.1. UNPACKING

The mainboard package should contain the following:

•

The GA - 686FX mainboard.

•

USER'S MANUAL for mainboard.

•

Cable set for IDE , Floppy & I/O device.

•

Diskette for BUS MASTER ATAPI device.

The mainboard contains sensitive electric components which can be easily
damaged by static electricity, so the mainboard should be left in its original
packing until it is installed.

Unpacking and installation should be done on a grounded anti-static mat.
The operator should be wearing an anti static wristband, grounded at the same

point as the anti-static mat.
Inspect the mainboard carton for obvious damage. Shipping and handling may

cause damage to your board. Be sure there are no shipping and handling
damages on the board before proceeding.

After opening the mainboard carton, extract the system board and place it only
on a grounded anti-static surface component side up. Again inspect the board
for damage.

Press down on all of the socket IC's to make sure that they are properly seated.
Do this only on with the board placed on a firm flat surface.



DO NOT APPLY POWER TO THE BOARD IF IT HAS BEEN DAMAGED.

You are now ready to install your mainboard. The mounting hole pattern on the
mainboard matches the IBM-AT system board.

It is assumed that the chassis is designed for a standard IBM XT/AT mainboard
mounting. Place the chassis on the anti-static mat and remove the cover.

Take the plastic clips, Nylon stand-off and screws for mounting the system
board, and keep them separate.

3.2. MAINBOARD LAYOUT

GA-686FX

3-2

J1

J5

JP13

J4 J2

S1

PCI4

PCI3

PCI2

PCI1

12 3 4

ON

OFF

DIP SWITCH

CPU

J3

SIMM1

SIMM6

FLOPPYCN6

CN4

CN5

721

JP12

JP11

JP10

+

JP4

JP3

1
1

GND +12

GA-686FX

IDE2

IDE1 POWER2

POWER1

CN1LPT

JP2

CN3 CN2

COMA COMB

JP1

SLOT3

SLOT1

SLOT5

JP7
JP6

USB

1



Figure 3.1➢

3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS

⧫ CN1-6 I/O Ports Connector

CN1

For LPT port.

CN2

For Serial port2 (COM B).

CN3

For Serial port1(COM A).

CN4

For Primary IDE port.

CN5

For Floppy port.

CN6

For Secondary IDE port.

⧫ J1: Hard Disk active LED

Pin No.

Function

1

LED anode(+).

2

LED cathode (-).

⧫ J2: GN-SW

Pin No.

Function

Close

Force system to enter Green Mode (Suspend mode).

Open

Normal Operation.

⧫ J3: GN-LED

Pin No.

Function

Hardware Installation

3-3

1

LED anode (+).

2

LED cathode (-).

⧫ J4: RESET Switch (RST)

Pin No.

Function

1

RESET Input.

2

GND.

⧫ J5: SPEAKER Connector

Pin No.

Function

1

VCC.

2

NC.

3

NC.

4

Output.

⧫ JP1: Keyboard Connector

Pin No.

Function

1

Key Clock.

2

Key Data.

3

NC.

4

VCC (+5V).

5

GND.

⧫ JP2: Mouse Connector

Pin No.

Function

1

VCC.

2

GND.

3

Data.

4

Clock.

⧫ JP3: CPU cooling FAN Power Connector

Pin No.

Function

1

GND.

2

+12V.

⧫ JP10: Soft Power Connector

Pin No.

Function

1

GND.

2

CTRL-Signal.

⧫ JP11: Tubro Switch Connector

Function reserved.

⧫ JP12: Tubro LED Connector

GA-686FX

3-4

Pin No.

Function

1

LED anode (+).

2

LED cathode (-).

⧫ S1-1: System Speed Selection

1

Function

ON

For 60 MHz system speed ( CPU 150, 180 MHz ).

OFF

For 66 MHz system speed ( CPU 166, 200 MHz ).

⧫ S1-2,3,4: CPU INT. / EXT. FREQ. RATIO

2 3 4

Function

ON

OFF

OFF

x 2.5

OFF

ON

OFF

x 3

⧫ Power1: PS/2 POWER connector

Pin No.

Function

1

Power Good signal.

2,10,11,12

VCC (+5V).

3

+12V.

4

-12V.

5,6,7,8

GND.

9

-5V.

⧫ Power2: ATX POWER connector

Pin No.

Function

3,5,7,13,15-17

GND.

4,6,19,20

VCC (+5V).

10

+12V.

12

-12V.

18

-5V.

8

Power Good.

9

5V SB (Stand by +5V).

14

PS-ON (Soft ON/OFF).

3.4. DRAM INSTALLATION

The mainboard can be installed with 4 / 8 / 16 / 32 / 64 / 128 MB 72 pins SIMM
module DRAM, and the DRAM speed must be 60 or 70 ns.
The DRAM memory system on mainboard consists of bank 0, 1 & bank 2. Each
bank consist of 2 PCs 72 pins SIMM module DRAM.

Hardware Installation

3-5

Because the 72 pins SIMM module is 32 bits width, using 2 PCs which can
match a 64 bits system. The total memory size is 8 - 512 MB, and various
configuration of DRAM types in the following TABLE are for reference:

BANK0

BANK1

BANK2

TOTAL SIZE

4MB * 2pcs.

8MB

4MB * 2pcs.

4MB * 2pcs.

16MB

8MB * 2pcs.

16MB

4MB * 2pcs.

4MB * 2pcs.

4MB * 2pcs.

24MB

8MB * 2pcs.

4MB * 2pcs.

24MB

4MB * 2pcs.

4MB * 2pcs.

8MB * 2pcs.

32MB

8MB * 2pcs.

8MB * 2pcs.

32MB

16MB * 2pcs.

32MB

8MB * 2pcs.

8MB * 2pcs.

4MB * 2pcs.

40MB

16MB * 2pcs.

4MB * 2pcs.

40MB

8MB * 2pcs.

8MB * 2pcs.

8MB * 2pcs.

48MB

16MB * 2pcs.

8MB * 2pcs.

48MB

16MB * 2pcs.

8MB * 2pcs.

4MB * 2pcs.

56MB

16MB * 2pcs.

8MB * 2pcs.

8MB * 2pcs.

64MB

16MB * 2pcs.

16MB * 2pcs.

64MB

32MB * 2pcs.

64MB

32MB * 2pcs.

4MB * 2pcs.

72MB

16MB * 2pcs.

16MB * 2pcs.

4MB * 2pcs.

72MB

32MB * 2pcs.

8MB * 2pcs.

80MB

16MB * 2pcs.

16MB * 2pcs.

8MB * 2pcs.

80MB

32MB * 2pcs.

4MB * 2pcs.

4MB * 2pcs.

80MB

32MB * 2pcs.

8MB * 2pcs.

4MB * 2pcs.

88MB

32MB * 2pcs.

8MB * 2pcs.

8MB * 2pcs.

96MB

32MB * 2pcs.

16MB * 2pcs.

96MB

16MB * 2pcs.

16MB * 2pcs.

16MB * 2pcs.

96MB

32MB * 2pcs.

16MB * 2pcs.

4MB * 2pcs.

104MB

32MB * 2pcs.

16MB * 2pcs.

8MB * 2pcs.

112MB

64MB * 2pcs.

128MB

32MB * 2pcs.

32MB * 2pcs.

128MB

32MB * 2pcs.

16MB * 2pcs.

16MB * 2pcs.

128MB

64MB * 2pcs.

4MB * 2pcs.

136MB

32MB * 2pcs.

32MB * 2pcs.

4MB * 2pcs.

136MB

64MB * 2pcs.

4MB * 2pcs.

4MB * 2pcs.

144MB

64MB * 2pcs.

8MB * 2pcs.

144MB

32MB * 2pcs.

32MB * 2pcs.

8MB * 2pcs.

144MB

GA-686FX

3-6

64MB * 2pcs.

8MB * 2pcs.

4MB * 2pcs.

152MB

64MB * 2pcs.

8MB * 2pcs.

8MB * 2pcs.

160MB

64MB * 2pcs.

16MB * 2pcs.

160MB

64MB * 2pcs.

16MB * 2pcs.

4MB * 2pcs.

168MB

64MB * 2pcs.

16MB * 2pcs.

8MB * 2pcs.

176MB

64MB * 2pcs.

16MB * 2pcs.

16MB * 2pcs.

192MB

64MB * 2pcs.

32MB * 2pcs.

192MB

64MB * 2pcs.

32MB * 2pcs.

4MB * 2pcs.

200MB

64MB * 2pcs.

32MB * 2pcs.

8MB * 2pcs.

208MB

64MB * 2pcs.

32MB * 2pcs.

16MB * 2pcs.

224MB

64MB * 2pcs.

32MB * 2pcs.

32MB * 2pcs.

256MB

64MB * 2pcs.

64MB * 2pcs.

256MB

128MB * 2pcs.

256MB

64MB * 2pcs.

64MB * 2pcs.

4MB * 2pcs.

264MB

128MB * 2pcs.

4MB * 2pcs.

264MB

64MB * 2pcs.

64MB * 2pcs.

8MB * 2pcs.

272MB

128MB * 2pcs.

8MB * 2pcs.

272MB

128MB * 2pcs.

8MB * 2pcs.

4MB * 2pcs.

280MB

128MB * 2pcs.

8MB * 2pcs.

8MB * 2pcs.

288MB

128MB * 2pcs.

16MB * 2pcs.

288MB

128MB * 2pcs.

16MB * 2pcs.

4MB * 2pcs.

296MB

128MB * 2pcs.

16MB * 2pcs.

8MB * 2pcs.

304MB

128MB * 2pcs.

16MB * 2pcs.

16MB * 2pcs.

320MB

128MB * 2pcs.

32MB * 2pcs.

320MB

128MB * 2pcs.

32MB * 2pcs.

4MB * 2pcs.

328MB

128MB * 2pcs.

32MB * 2pcs.

8MB * 2pcs.

336MB

128MB * 2pcs.

32MB * 2pcs.

16MB * 2pcs.

352MB

128MB * 2pcs.

32MB * 2pcs.

32MB * 2pcs.

384MB

128MB * 2pcs.

64MB * 2pcs.

384MB

128MB * 2pcs.

64MB * 2pcs.

4MB * 2pcs.

392MB

128MB * 2pcs.

64MB * 2pcs.

8MB * 2pcs.

400MB

128MB * 2pcs.

64MB * 2pcs.

16MB * 2pcs.

416MB

128MB * 2pcs.

64MB * 2pcs.

32MB * 2pcs.

448MB

128MB * 2pcs.

64MB * 2pcs.

64MB * 2pcs.

512MB

128MB * 2pcs.

128MB * 2pcs.

512MB

The DRAM installation position refer to Figure 3.1, and notice the Pin 1 of SIMM
module must match with the Pin 1 of SIMM socket when the DRAM SIMM
module is installed.

Hardware Installation

3-7

Insert the DRAM SIMM module into the SIMM socket at 45 degree angle. If
there is a wrong direction of Pin 1, the DRAM SIMM module couldn't be inserted
into socket completely.

After completely insert SIMM module into socket, then press the SIMM module
in vertical direction until the left and right metal holders can keep the SIMM
module standing up con-firmly.

3.5. CPU INSTALLATION AND JUMPERS SETUP

The system's speed depends on the frequency of CLOCK GENERATOR. The
user can change the DIP SWITCH (S1) selection to set up the system speed to
60 MHz or 66 MHz for 150 - 200 MHz processor.

The mainboard can use Intel Pentium Pro Processor or P6T (Pentium
OverDrive Pro Processor). The CPU speed must match with the frequency of

CLOCK GEN. It will cause system hanging up if the CLOCK GEN.'S frequency
is higher than CPU's.

CPU Installation Table:

DIP SWITCH (S1)

FREQ.

EXT.CLK.

INT.CLK.

CPU Type

1 2 3 4 RATIO

MHz

MHz ON

ON

OFF

OFF

2.5

60

150

PENTIUM Pro 150 MHz

OFF

ON

OFF

OFF

2.5

66

166

PENTIUM Pro 166 MHz

ON

OFF

ON

OFF 3 60

180

PENTIUM Pro 180 MHz

OFF

OFF

ON

OFF 3 66

200

PENTIUM Pro 200 MHz

GA-686FX

3-8

1234

ON

OFF

Pentium Pro 150 MHz for 256K / 512K

CPU

Pentium Pro 166 MHz for 256K / 512K

1234

ON

OFF

CPU

Hardware Installation

3-9

Pentium Pro 180 MHz for 256K / 512K

1234

ON

OFF

CPU

Pentium Pro 200 MHz for 256K / 512K

1234

ON

OFF

CPU

GA-686FX

3-10



The CPU is a sensitive electric component and it can be easily

damaged by static electricity, so users must keep it away from metal
surface when the CPU is installed onto mainboard.

3.6. CMOS RTC & ISA CFG CMOS SRAM

There're RTC & CMOS SRAM on board, they have a power supply from internal
battery to keep the DATA inviolate & effective.

The RTC is a REAL-TIME CLOCK device which provides the DATE & TIME to
system.

The CMOS SRAM is used for keeping the information of ISA device system
configuration, so the system can automatically boot OS. every time.

Due to the life-time of RTC internal battery is 5 years, the user can change a
new RTC to replace old one after it can not work. The new one's brand and
type must be same with old one.

3.7. SPEAKER CONNECTOR INSTALLATION

There is always a speaker in AT system for sound purpose. The 4 - Pins
connector J5 is used to connect speaker.

The speaker can work well in both direction of connector when it is installed to
the connector J5 on mainboard.

3.8. HARDWARE RESET SWITCH CONNECTOR INSTALLATION

The RESET switch on panel provides users with HARDWARE RESET function
which is almost the same as power-on/off.

The system will do a cold start after the RESET switch is pushed and released
by user. The RESET switch is a 2 PIN connector and should be installed to J4
on mainboard.

3.9. POWER LED CONNECTOR INSTALLATION

There are a system power LED lamp on the panel of case. The power LED will
light on when system is powered-on, which is connected to a 3 PIN connector.
The connector should be connected to JP13 of mainboard in correct direction.

3.10. GREEN FUNCTION INSTALLATION

Hardware Installation

3-11

For the purpose of power saving, there are two jumpers, J2 and J3, to make
sure the power saving function doing well.

The J3 is a indicator (green LED) for green function. If the green LED is ON,
the system is operating in green mode. The J2 is a switch to force the system
get into green mode immediately.

3.11. ATAPI DEVICE INSTALLATION

There are two Enhance PCI IDE ports (CN4,6) on board, which following ATAPI
standard SPEC. Any one IDE port can connected to two ATAPI devices (IDE
Hard Disk, CD-ROM & Tape Driver), so total four ATAPI devices can exist in a
system.

The booting Hard Disk should be the Master device of 1st IDE channel. The J1
is the active LED port for ATAPI device.

3.12. PERIPHERAL DEVICE INSTALLATION

After the I/O device installation and jumpers setup, the mainboard can be
mounted into the case and fixed by screw. To complete the mainboard
installation, the peripheral device could be installed now. The basic system
needs a display interface card.

If the PCI - Bus device is to be installed in the system, any one of four PCI ­Bus slots can be used if Slave PCI - Bus device being installed; any one of four
PCI-Bus slots can be used if Bus Master PCI-Bus device being installed.

3.13. KEYBOARD & PS/2 MOUSE INSTALLATION

The main board supports keyboard connector (JP1) & PS/2 Mouse (JP2).
The BIOS will auto detect whether the PS/2 Mouse is installed or nor & assign

IRQ12 for Mouse port if which was installed. After installing the peripheral
device, the user should check everything again, and prepare to power-on the
system.

3.14. KEYBOARD SETTING FUNCTION

After booting the O.S., there are some special functions used by keyboard as
follows:

"CTRL_ALT_DEL"

− Pressing these keys simultaneously will cause

system to Warm Start (Software Reset).

GA-686FX

4-1

4. BIOS CONFIGURATION

Award's BIOS ROM has a built-in Setup program that allows users to modify
the basic system configuration.

This type of information is stored in battery-backed CMOS SRAM so that it
retains the Setup information when the power is turned off.

4.1. ENTERING SETUP

Power ON the computer and press <Del> immediately will allow you to enter
Setup.

The other way to enter Setup is to power on the computer, when the below
message appears briefly at the bottom of the screen during the POST
(Power On Self Test), press <Del> key or simultaneously
press <Ctrl>, <Alt>, and <Esc> keys.



TO ENTER SETUP BEFORE BOOT PRESS CTRL-ALT-ESC OR DEL KEY

If the message disappears before you respond and you still wish to enter Setup,
restart the sys tem to try again by turning it OFF then ON or pressing the
"RESET" bottom on the system case.

You may also restart by simultaneously press <Ctrl>,<Alt>, and <Del> keys.
If you do not press the keys at the correct time and the system does not boot,

an error message will be displayed and you will again be asked to,



PRESS F1 TO CONTINUE, CTRL-ALT-ESC OR DEL TO ENTER SETUP

BIOS Configuration

4-2

4.2. CONTROL KEYS

Up arrow

Move to previous item.

Down arrow

Move to next item.

Left arrow

Move to the item in the left hand.

Right arrow

Move to the item in the right hand.

Esc key

Main Menu - Quit and not save changes into CMOS
Status Page Setup Menu and Option Page Setup Menu ­Exit current page and return to Main Menu.

PgUp key

Increase the numeric value or make changes.

PgDn key

Decrease the numeric value or make changes.

F1 key

General help, only for Status Page Setup Menu and Option
Page Setup Menu.

F2 key

Change color from total 16 colors.

F3 key

Calendar, only for Status Page Setup Menu.

F4 key

Reserved.

F5 key

Restore the previous CMOS value from CMOS, only for
Option Page Setup Menu.

F6 key

Load the default CMOS value from BIOS default table, only
for Option Page Setup Menu.

F7 key

Load the default.

F8 key

Reserved.

F9 key

Reserved.

F10 key

Save all the CMOS changes, only for Main Menu.

4.3. GETTING HELP

GA-686FX

4-3

4.3.1. Main Menu

The on-line description of the highlighted setup function is displayed at the
bottom of the screen.

4.3.2. Status Page Setup Menu / Option Page Setup Menu

Press F1 to pop up a small help window that describes the appropriate keys to
use and the possible selections for the highlighted item. To exit the Help
Window press <Esc>.

4.4. THE MAIN MENU

Once you enter Award BIOS CMOS Setup Utility, the Main Menu (Figure 4.1)
will appear on the screen.

The Main Menu allows you to select from seven setup functions and two exit
choices. Use arrow keys to select among the items and press <Enter> to accept
or enter the sub-menu.

ROM PCI / ISA BIOS
CMOS SET UP UTILITY
AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEAT URES SETUP

PNP/P CI CONFIGURATION

LOAD BIOS DEFAULTS

USER PASSWORD

IDE HDD AUTO DETECTION

SAVE & EXIT SETUP

EXIT WITHOUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift)F2

: Select Item
: Chang Color

Time, Date, Hard Disk Type, ...

POWER MANAGEMENT SETUP

INT EGRAT ED PERIPHERALS

LOAD SETUP DEFAULTS

SUPERVISOR PASSWORD

HDD LOW LEVEL FORMAT

Figure 4.1: Main Menu

•

Standard CMOS setup

This setup page includes all the items in a standard compatible BIOS.

BIOS Configuration

4-4

•

BIOS features setup

This setup page includes all the items of Award special enhanced features.

•

Chipset features setup

This setup page includes all the items of chipset special features.

•

Power management setup

This setup page includes all the items of Green function features.

•

PNP/PCI configuration

This setup page includes all the items of PNP/PCI configuration features.

•

Load BIOS defaults

BIOS defaults indicates the most appropriate value of the system parameter
which the system would be in safe configuration.

•

Load setup defaults

BIOS defaults indicates the most appropriate value of the system parameter
which the system would be in safe configuration.

•

Integrated Peripherals

This setup page includes all the items of peripherals features.

•

Supervisor Password

Change, set, or disable password. It allows you to limit access to the system
and Setup, or just to Setup.

•

User Password

Change, set, or disable password. It allows you to limit access to the
system.

•

IDE HDD auto detection

Automatically configure hard disk parameter.

•

HDD low level format

Low level format IDE Hard Disk.

•

Save & exit setup

Save CMOS value changes to CMOS and exit setup.

•

Exit without save

Abandon all CMOS value changes and exit setup.

4.5. STANDARD CMOS SETUP MENU

The items in Standard CMOS Setup Menu (Figure 4.2) are divided into 9
categories. Each category includes no, one or more than one setup items. Use
the arrows to highlight the item and then use the <PgUp> or <PgDn> keys to
select the value you want in each item.

GA-686FX

4-5

ROM P CI / ISA BIOS

STANDARD CMOS SETUP

AWARD SOFTWARE, INC.

ESC

F1

: Quit

: Help (Shift)F2

: Select Item

: Chang Color

Date (mm:dd:yy)
Time (hh:mm:ss)

Master

Video
Halt On : No Errors

: EGA/VGA

: None

Slave

HEAD PRECOMP LANDZ SECTOR

0000 0

Base Memory:

Other Memory:

Extended Memory:

Total Memory:

15360 K

640 K

384 K

16384 K

PU/PD/+/- : Modify

: Mon, Oct 7 1996
: 17 : 10 : 14

Primary

Secondary Master

Slave

0000 0
0000 0

000 0

Primary

Secondary

: None
: None

: Auto

CYLSHARD DISKS TYPE MODE

0

---------

---------

---------

SIZE

0
0
0

0

Driver A
Driver B

: 1.44M , 3.5 inch.
: None

Auto

Floppy 3 Mode Support : Disabled

Figure 4.2: Standard CMOS Setup Menu

•

Date

The date format is <day>, <date> <month> <year>. Press <F3> to show
the calendar.

day

The day, from Sun to Sat, determined by the BIOS and is
display-only

date

The date, from 1 to 31 (or the maximum allowed in the
month)

month

The month, Jan. through Dec.

year

The year, from 1900 through 2099

•

Time

The time format in <hour> <minute> <second>.
The time is calculated base on the 24-hour military-time clock.
For example, 1 p.m. is 13:00:00.

BIOS Configuration

4-6

•

Primary HDDs / Secondary HDDs

The category identify the types of hard disk drive C drive F 4 devices that
has been installed in the computer.

There are 45 pre-defined types and a user definable type.
Type 1 to Type 45 are pre-defined. Type User is user-definable and type

Auto will automatically detect HDD's type..
Press PgUp or PgDn to select a numbered hard disk type or type the

number and press <Enter>.
Note that the specifications of your drive must match with the drive table.
The hard disk will not work properly if you enter improper information for

this category.
If your hard disk drive type is not matched or listed, you can use Type User

to define your own drive type manually.
If you select Type User, related information is asked to be entered to the

following items.
Enter the information directly from the keyboard and press <Enter>.
Those information should be provided in the documentation form your hard

disk vendor or the system manufacturer.

CYLS.

number of cylinders

HEADS

number of heads

PRECOMP

write precomp

LANDZONE

landing zone

SECTORS

number of sectors

If a hard disk has not been installed select NONE and press <Enter>.

•

Drive A type / Drive B type

The category identify the types of floppy disk drive A or drive B that has
been installed in the computer.

None

No floppy drive installed

360K, 5.25 in.

5-1/4 inch PC-type standard drive; 360 kilobyte
capacity.

GA-686FX

4-7

1.2M, 5.25 in.

5-1/4 inch AT-type high-density drive; 1.2 megabyte
capacity (3-1/2 inch when 3 Mode is Enabled).

720K, 3.5 in.

3-1/2 inch double-sided drive; 720 kilobyte capacity

1.44M, 3.5 in.

3-1/2 inch double-sided drive; 1.44 megabyte capacity.

2.88M, 3.5 in.

3-1/2 inch double-sided drive; 2.88 megabyte capacity.

•

Floppy 3 Mode Support (for Japan Area)

Disable

Normal Floppy Drive.

Drive A

Drive A is 3 mode Floppy Drive.

Drive B

Drive B is 3 mode Floppy Drive.

Both

Drive A & B are 3 mode Floppy Drive.

•

Video

The category detects the type of adapter used for the primary system
monitor that must matches your video display card and monitor.

Although secondary monitors are supported, you do not have to select the
type in setup.

EGA/VGA

Enhanced Graphics Adapter/Video Graphics Array. For
EGA, VGA, SVGA, or PGA monitor adapters

CGA 40

Color Graphics Adapter, power up in 40 column mode

CGA 80

Color Graphics Adapter, power up in 80 column mode

MONO

Monochrome adapter, includes high resolution
monochrome adapters

•

Halt on

The category determines whether the computer will stop if an error is
detected during power up.

NO errors

The system boot will not be stopped for any error
that may be detected

All errors

Whenever the BIOS detects a non-fatal error the
system will be stopped and you will be prompted

BIOS Configuration

4-8

All,But Keyboard

The system boot will not stop for a keyboard error;
it will stop for all other errors

All, But Diskette

The system boot will not stop for a disk error; it will
stop for all other errors

All, But Disk/Key

The system boot will not stop for a keyboard or disk
error; it will stop for all other errors

•

Memory

The category is display-only which is determined by POST (Power On Self
Test) of the BIOS.

Base Memory

The POST of the BIOS will determine the amount of base (or
conventional) memory installed in the system.

The value of the base memory is typically 512 K for systems with
512 K memory installed on the motherboard, or 640 K for systems
with 640 K or more memory installed on the motherboard.

Extended Memory

The BIOS determines how much extended memory is present
during the POST.

This is the amount of memory located above 1 MB in the CPU's
memory address map.

Expanded Memory

Expanded Memory in memory defined by the Lotus/Intel/Microsoft
(LIM) standard as EMS.
Many standard DOS applications can not utilize memory above
640 K, the Expanded Memory Specification (EMS) swaps
memory which not utilized by DOS with a section, or frame, so
these applications can access all of the system memory.

Memory can be swapped by EMS is usually 64 K within 1 MB or
memory above 1 MB, depends on the chipset design.

Expanded memory device driver is required to use memory as
Expanded Memory.

Other Memory

GA-686FX

4-9

This refers to the memory located in the 640 K to 1024 K address
space. This is memory that can be used for different applications.

DOS uses this area to load device drivers to keep as much base
memory free for application programs. Most use for this area is
Shadow RAM.

4.6. BIOS FEATURES SETUP

ROM P CI / ISA BIOS

BIOS FEAT URES SETUP

AWARD SOFTW ARE, INC.

: Select Item

Virus Warning
CPU Int ernal Cache
Ext ernal Cache

Boot Sequence

Boot Up Floppy Seek
Boot Up NumLock Status
Security Option

Video BIOS Shadow
C8000 - CBFFF Shadow

: On

: Enabled

: Enabled
: Enabled

: Enabled

: A, C

: Setup

: Enabled
: Disabled

ESC
F1
F5
F7 : Load Setup Defaults

: Quit
: Help
: Old Values

PU/PD/+/­(Shift)F2

: Modify
: Color

Quick P ower On Self T est

: Disabled

Swap Floppy Drive : Disabled

: DisabledD0000 - D3FFF Shadow

: DisabledD8000 - DBFFF Shadow

CC000 - CFFFF Shadow : Disabled

: DisabledD4000 - D7FFF Shadow

: DisabledDC000 - DFFFF Shadow

PCI/VGA Palette Snoop : Disabled
OS Select For DRAM >64MB : Non-OS2

CPU TEMPERAT URE PROTECT: YES

Figure 4.3: BIOS Features Setup

•

CPU TEMPERATURE PROTECT

The default value is YES.

Yes

Enable CPU TEMPERATURE PROTECT.

No

Disable CPU TEMPERATURE PROTECT.

•

Virus Warning

This category flashes on the screen. During and after the system boots up,
any attempt to write to the boot sector or partition table of the hard disk
drive will halt the system and the following error message will appear, in
the mean time, you can run anti-virus program to locate the problem.

The default value is Disabled.

BIOS Configuration

4-10

Enabled

Activate automatically when the system boots up causing a
warning message to appear when anything attempts to
access the boot sector or hard disk partition table.

Disabled

No warning message to appear when anything attempts to
access the boot sector or hard disk partition table.

•

CPU Internal Cache / External Cache

These two categories speed up memory access. However, it depends on
CPU / chipset design.

The default value is Enabled.

Enabled

Enable cache function.

Disabled

Disable cache function.

•

Quick Power On Self Test

This category speeds up Power On Self Test (POST) after you power on
the computer. If it is set to Enable, BIOS will shorten or skip some check
items during POST.

The default value is Enabled.

Enabled

Enable quick POST.

Disabled

Normal POST.

•

Boot Sequence

This category determines which drive computer searches first for the disk
operating system (i.e., DOS).

The default value is A,C.

A,C

System will first search for floppy disk drive then
hard disk drive.

C,A

System will first search for hard disk drive then
floppy disk drive.

C, CD-ROM, A

System will first search for hard disk drive, second
for CD-ROM drive then floppy disk drive.

CD-ROM, C, A

System will first search for CD-ROM drive, second
for hard disk drive then floppy disk drive.

•

Swap Floppy Drive

GA-686FX

4-11

The default value is Disabled.

Enabled

Floppy A & B will be swapped under DOS.

Disabled

Floppy A & B will be normal definition.

•

Boot Up Floppy Seek

During POST, BIOS will determine if the floppy disk drive installed is 40 or
80 tracks. 360 K type is 40 tracks while 720 K, 1.2 M and 1.44 M are all 80
tracks.

The default value is Enabled.

Enabled

BIOS searches for floppy disk drive to determine if it is 40 or
80 tracks. Note that BIOS can not tell from 720 K, 1.2 M or

1.44 M drive type as they are all 80 tracks.

Disabled

BIOS will not search for the type of floppy disk drive by track
number. Note that there will not be any warning message if
the drive installed is 360 K.

•

Boot Up NumLock Status

The default value is On.

On

Keypad is number keys.

Off

Keypad is arrow keys.

•

Security Option

This category allows you to limit access to the system and Setup, or just to
Setup. The default value is Setup.

System

The system will not boot and access to Setup will be
denied if the correct password is not entered at the prompt

Setup

The system will boot, but access to Setup will be denied if
the correct password is not entered at the prompt



To disable security, select PASSWORD SETTING at Main Menu and

then you will be asked to enter password. Do not type anything and
just press <Enter>, it will disable security. Once the security is
disabled, the system will boot and you can enter Setup freely.

•

PCI/VGA Palette Snoop

The default value are Disabled.

BIOS Configuration

4-12

Enabled

For having Video Card on ISA Bus and VGA Card on PCI
Bus.

Disabled

For VGA Card only.

•

OS Select For DRAM>64MB

The default value is Non-OS2.

Non-OS2

Using non-OS2 operating system.

OS2

Using OS2 operating system and DRAM>64MB.

•

Video BIOS Shadow

It determines whether video BIOS will copied to RAM, however, it is
optional from chipset design. Video Shadow will increase the video speed.
The default value is Enable.

Enabled

Video shadow is enabled.

Disabled

Video shadow is disabled.

•

C8000 - CFFFF Shadow / D0000 - DFFFF Shadow

These categories determine whether optional ROM will be copied to RAM
by 16 K byte. The default value are Disabled.

Enabled

Optional shadow is enabled.

Disabled

Optional shadow is disabled.

4.7. CHIPSET FEATURES SETUP

GA-686FX

4-13

ROM PCI / ISA BIOS

CHIPSET FEATURES SETUP

AWARD SOFTW ARE, INC.

: Select ItemESC
F1
F5
F7 : Load Setup Defaults

: Quit
: Help
: Old Values

PU/PD/+/­(Shift)F2

: Modify
: Color

MA Additional Wait State

: x2 / 3 / 4

Auto Configuration

DRAM ECC/PARITY select

: Enabled

Memory Hole At 15M-16M : Disabled

: Disabled

Video RAM Cacheable : Disabled

DRAM RAS# Precharge Time : 4

: Enabled
RAS# To CAS# Delay : Enabled
DRAM Read Burst (B / E / F)

: x3 / 3 / 4DRAM Write Burst (B / E / F)
ISA Bus Clock : P CICLK / 4
DRAM Refresh Queue : Enabled

Read-Around-Write : Enabled
PCI Burst Write Combine : Disabled
PCI-To-DRAM Pipeline : Enabled
CPU-To-P CI Write Post : Enabled
CPU-To-P CI IDE P osting : Enabled

Figure 4.4: Chipset Features Setup

•

Auto Configuration

The default value is Enabled.

Enable

Enabled Auto Configuration.

Disable

Disabled Auto Configuration.

•

DRAM RAS# Precharge Time

The default value is 4.

3

Set DRAM RAS# Precharge Time to 3.

4

Set DRAM RAS# Precharge Time to 4.

•

MA Additional Wait Sate

The default value is Enabled.

Enable

Enabled MA Additional Wait Sate.

Disable

Disabled MA Additional Wait Sate.

•

RAS# To CAS# Delay

The default value is Enabled.

BIOS Configuration

4-14

Enable

Enabled RAS# To CAS# Delay.

Disable

Disabled RAS# To CAS# Delay.

•

DRAM Read Burst (B / E / F)

The default value is x2 / 3 / 4.

x3 / 4 / 4

Set DRAM Read Burst (B / E / F) to x3 / 4 / 4.

x2 / 3 / 4

Set DRAM Read Burst (B / E / F) to x2 / 3 / 4.

x2 / 2 / 3

Set DRAM Read Burst (B / E / F) to x2 / 2 / 3.

x1 / 2 / 3

Set DRAM Read Burst (B / E / F) to x1 / 2 / 3.

•

DRAM Write Burst (B / E / F)

The default value is x3 / 3 / 4.

x4 / 4 / 4

Set DRAM Write Burst (B / E / F) to x4 / 4 / 4.

x3 / 3 / 4

Set DRAM Write Burst (B / E / F) to x3 / 3 / 4.

x3 / 3 / 3

Set DRAM Write Burst (B / E / F) to x3 / 3 / 3.

x2 / 2 / 3

Set DRAM Write Burst (B / E / F) to x2 / 2 / 3.

•

ISA Bus Clock

The default value is PCICLK/4.

PCICLK/3

For 50 MHz system.

PCICLK/4

For 66,60 MHz system.

•

DRAM Refresh Queue

The default value is Enabled.

Enable

Enabled DRAM Refresh Queue.

Disable

Disabled DRAM Refresh Queue.

•

DRAM ECC/PARITY select

The default value is Disabled.

ECC

Enable ECC function when using 36 bit DRAM Module.

PARITY

Enable PARITY function when using 36 bit DRAM Module.

Disabled

Disable ECC & PARITY function.

•

Read-Around-Write

The default value is Enabled.

Enable

Enabled Read-Around-Write.

GA-686FX

4-15

Disable

Disabled Read-Around-Write.

•

PCI Burst Write Combine

The default value is Disabled.

Enable

Enabled PCI Burst Write Combine.

Disable

Disabled PCI Burst Write Combine.

•

PCI-To-DRAM Pipeline

The default value is Enabled.

Enable

Enabled PCI-To-DRAM Pipeline

Disable

Disabled PCI-To-DRAM Pipeline.

•

CPU-To-PCI Write Post

The default value is Enabled.

Enable

Enabled CPU-To-PCI Write Post.

Disable

Disabled CPU-To-PCI Write Post.

•

CPU-To-PCI IDE Posting

The default value is Enabled.

Enable

Enabled CPU-To-PCI IDE Posting.

Disable

Disabled CPU-To-PCI IDE Posting.

•

Video RAM Cacheable

The default value is Disabled.

Disabled

Disable this function.

Enabled

Enable this function to better VGA performance;while
some brands of VGA must be disabled this function
(e.g.ET4000W32P).

•

Memory Hole At 15M-16M

The default value is Disabled.

Disabled

Normal Setting.

Enabled

Set Address=15~16MB remap to ISA BUS.

4.8. POWER MANAGEMENT SETUP

BIOS Configuration

4-16

ROM PCI / ISA BIOS

POWER MANAGEMENT SETUP

AWARD SOFTWARE, INC.

: Select ItemESC
F1
F5
F7 : Load Setup Defaults

: Quit
: Help
: Old Values

PU/PD/+/­(Shift)F2

: Modify
: Color

Standby Mode

Power Management

HDD P ower Down

PM Control by APM

: Disabled

Video Off Method

: Enabled
: Yes
: DPMS

Suspend Mode : Disabled

: Disabled

IRQ9 (IRQ2 Redir)
IRQ10 (Reserved)
IRQ11 (Reserved)
IRQ12 (P S/2 Mouse)
IRQ14 (Hard Disk)

** Power Down & Resume Events **
IRQ3 (COM 2)

IRQ5 (LPT 2)

IRQ7 (LPT 1)

: ON

: OFF

IRQ4 (COM 1)

IRQ6 (Floppy Disk)

: ON

: ON
: OFF
: OFF
: OFF
: OFF

IRQ15 (Reserved)

: ON
: ON

: ON

** Wake Up Evevts In Doze & Standby **
IRQ3 (W ake-Up Event)

IRQ4 (W ake-Up Event)
IRQ12 (W ake-Up Event)

: ON
: ON
: ON

Figure 4.5: Power Management Setup

•

Power Management

The default value is Enabled.

Enabled

Enable Green function.

Disabled

Disable Green function.

Please disable Green Function for Non-S CPU in OS/2, Unix, Window
NT & Novell system.

•

PM Control by APM

The default value is Yes.

Yes

Enable software APM function.

No

Disable software APM function.

GA-686FX

4-17

•

Video off Method

The default value is DPMS Support.

V/H SYNC + Blank

BIOS will turn off V/H-SYNC when gets into
Green mode for Green monitor power saving.

Blank Screen

BIOS will only black monitor when gets into
Green mode.

DPMS

BIOS will use DPMS Standard to control VGA
card. (The Green type VGA card will turn of V/H­SYNC automatically.)

•

Standby Mode ( for Network Card using )

The default value is Disable.

Disable

Disable Standby Mode.

1 min - 1 Hour

Setup the timer to enter Standby Mode.

•

Suspend mode ( for CPU stop clock Mode )

The default value is Disable.

Disable

Disable Suspend Mode.

1 min - 1 Hour

Setup the timer to enter Suspend Mode.

•

HDD Power Down

The default value is Disable.

Disable

Disable HDD Power Down mode function.

1-15 mins

Enable HDD enter Power Down mode between 1 to 15
mins.

•

IRQX ( 3,4,5,6,7,9,10,11,12,14,15 )

The default value is On.

On

The system will return to normal mode from Green Mode
when the IRQX is active.

Off

The system will not return to normal mode from Green
Mode when the IRQX is active.

4.9. PNP/PCI CONFIGURATION

BIOS Configuration

4-18

ROM PCI / ISA BIOS
PNP/PCI CONFGURATION
AWARD SOFTWARE, INC.

: Select ItemESC
F1
F5
F7 : Load Setup Defaults

: Quit
: Help
: Old Values

PU/PD/+/­(Shift)F2

: Modify
: Color

IRQ-3 assigned to

Resources Controlled by : Manual

: Legacy ISA
IRQ-4 assigned to
IRQ-5 assigned to
IRQ-7 assigned to
IRQ-9 assigned to
IRQ-10 assigned to
IRQ-11 assigned to
IRQ-12 assigned to
IRQ-14 assigned to
IRQ-15 assigned to
DMA-0 assigned t o
DMA-1 assigned to

DMA-6 assigned t o

DMA-3 assigned to
DMA-5 assigned t o

DMA-7 assigned to

: Legacy ISA

: Legacy ISA

: PCI/ISA PnP

: Legacy ISA

: Legacy ISA

: Legacy ISA

Reset Configuration Dat a : Disabled

: PCI/ISA PnP

: PCI/ISA PnP

: PCI/ISA PnP

: PCI/ISA PnP

: PCI/ISA PnP

: PCI/ISA PnP

: PCI/ISA PnP

: PCI/ISA PnP

: PCI/ISA PnP

PCI IRQ Actived By
PCI IDE IRQ Map T o

Primary IDE INT#
Secondary IDE INT #

: PCI-AUT O

: Level

: A
: B

Figure 4.6: PCI Slot Configuration

•

Resources Controlled by

The default value is Manual.

Manual

User can set the PnP resource (I/O Address, IRQ & DMA
channels) used by legacy ISA DEVICE.

Auto

BIOS automatically use these PnP rescuers.

•

IRQ (3,4,5,7,9,10,11,12,14,15),DMA(0,1,3,5,6,7) assigned to

The default value is "Legacy ISA" or "PCI/ISA PnP".

Legacy ISA

The resource is used by Legacy ISA device.

PCI/ISA PnP

The resource is used by PCI/ISA PnP device (PCI or
ISA).

•

PCI IRQ Actived By

Level

For some PCI SCSI or Lan device using same PCI INT.

Edge

Normal operating.

•

PCI IDE IRQ Map To

PCI-Auto

Map PCI IDE IRQ to PCI slot automatically.

GA-686FX

4-19

ISA

Map PCI IDE IRQ to ISA slot.

PCI-Slot1~PCI-Slot4

Map PCI IDE-IRQ to PCI-Slot1~PCI-Slot4.

•

Primary/Secondary IDE INT#

A

Set INTA for primary/secondary PCI IDE.

B

Set INTB for primary/secondary PCI IDE.

C

Set INTC for primary/secondary PCI IDE.

D

Set INTD for primary/secondary PCI IDE.

4.10. LOAD BIOS DEFAULTS

SAVE & EXIT SETUPLOAD BIOS DEFAULT S

ROM PCI / ISA BIOS

LOAD SETUP DEFAULTS

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PNP/PCI CONFIGURATION

LOAD SETUP DEFAULTS

USER PASSWORD

EXIT WITHOUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift)F2

: Select Item

: Chang Color

Load BIOS Defaults (Y/N)? N

Load BIOS Defaults except Standard CMOS SETUP

IDE HDD AUTO DETECTIONPOWER MANAGEMENT SETUP

INT EGRATED PERIPHERALS

SUPERUSER PASSWORD

HDD LOW LEVEL FORMAT

Figure 4.7: Load BIOS Defaults

•

Load BIOS Defaults

To load BIOS defaults value to CMOS SRAM, enter "Y". If not, enter "N".

4.11. LOAD SETUP DEFAULTS

BIOS Configuration

4-20

SAVE & EXIT SETUPLOAD BIOS DEFAULT S

ROM PCI / ISA BIOS

LOAD SETUP DEFAULTS

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PNP/PCI CONFIGURATION

LOAD SETUP DEFAULTS

USER PASSWORD

EXIT WITHOUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift)F2

: Select Item

: Chang Color

Load SET UP Defaults (Y/N)? N

Load SET UP Defaults except Standard CMOS SETUP

IDE HDD AUTO DETECTIONPOWER MANAGEMENT SETUP

INT EGRATED PERIPHERALS

SUPERUSER PASSWORD

HDD LOW LEVEL FORMAT

Figure 4.8: Load Setup Defaults

•

Load SETUP Defaults

To load SETUP defaults value to CMOS SRAM, enter "Y". If not, enter "N".



If there is any problem occurred, loading SETUP DEFAULTS step is

recommended.

GA-686FX

4-21

4.12. INTEGRATED PERIPHERALS

ROM PCI / ISA BIOS

INT EGRATED P ERIP HERALS

AWARD SOFTWARE, INC.

: Select ItemESC
F1
F5
F7 : Load Setup Defaults

: Quit
: Help
: Old Values

PU/PD/+/­(Shift)F2

: Modify
: Color

IDE Primary Master P IO

IDE HDD Block Mode : Enabled

: Auto

On-Chip P rimary PCI IDE

PCI Slot IDE 2nd Channel
Onboard FDD Controller

: Auto

: Enabled
: COM1/3F8
: COM2/2F8
: 378/IRQ7
: SPP

IDE Primary Slave PIO
IDE Secondary Master PIO
IDE Secondary Slave P IO

On-Chip Secondary PCI IDE

Onboard Serial Port1
Onboard Serial Port2
Onboard Parallel Port
Onboard Parallel Mode

: Enabled
: Enabled
: Enabled

: Auto
: Auto

USB Controller : Disabled

* ECP Mode Use DMA : 3

Figure 4.9: Load Setup Defaults

* This item will show up only if On board Parallel Mode set to ECP or

ECP/EPP.

•

IDE HDD Block Mode

The default value is Enabled.

Enabled

Enable IDE HDD Block Mode

Disabled

Disable IDE HDD Block Mode

•

IDE Primary Master PIO (for onboard IDE 1st channel).

The default value is Auto.

Auto

BIOS will automatically defect the IDE HDD Accessing
mode.

Mode0~4

Manually set the IDE Accessing mode.

BIOS Configuration

4-22

•

IDE Primary Slave PIO (for onboard IDE 1st channel).

The default value is Auto.

Auto

BIOS will automatically defect the IDE HDD Accessing
mode.

Mode0~4

Manually set the IDE Accessing mode.

•

IDE Secondary Master PIO (for onboard IDE 2nd channel).

The default value is Auto.

Auto

BIOS will automatically defect the IDE HDD Accessing
mode.

Mode0~4

Manually set the IDE Accessing mode.

•

IDE Secondary Slave PIO (for onboard IDE 2nd channel).

The default value is Auto.

Auto

BIOS will automatically defect the IDE HDD Accessing
mode.

Mode0~4

Manually set the IDE Accessing mode.

•

On-Chip Primary PCI IDE

The default value is Enabled.

Enabled

Enable onboard 1st channel IDE port.

Disabled

Disable onboard 1st channel IDE port.

•

On-Chip Secondary PCI IDE

The default value is Enabled.

Enabled

Enable onboard 2nd channel IDE port.

Disabled

Disable onboard 2nd channel IDE port.

•

PCI Slot IDE 2nd Channel

The default value is Enabled.

Enabled

Enable PCI BUS DEVICE's 2nd IDE Channel

Disabled

Disable PCI BUS DEVICE's 2nd IDE Channel

•

Onboard FDD Controller

The default value is Enabled.

Enabled

Enable onboard FDD port.

Disabled

Disable onboard FDD port.

GA-686FX

4-23

•

Onboard Serial Port 1

The default value is COM1/3F8.

COM1/3F8

Enable onboard Serial port A and address is 3F8H.

COM2/2F8

Enable onboard Serial port A and address is 2F8H.

COM3/3E8

Enable onboard Serial port A and address is 3E8H.

COM4/2E8

Enable onboard Serial port A and address is 2E8H.

Disabled

Disable onboard Serial port A.

•

Onboard Serial Port 2

The default value is COM2/2F8.

COM1/3F8

Enable onboard Serial port B and address is 3F8H.

COM2/2F8

Enable onboard Serial port B and address is 2F8H.

COM3/3E8

Enable onboard Serial port B and address is 3E8H.

COM4/2E8

Enable onboard Serial port B and address is 2E8H.

Disabled

Disable onboard Serial port B.

•

Onboard Parallel port

The default value is 378/IRQ7.

378/IRQ7

Enable onboard LPT port and address is 378/IRQ7.

278/IRQ5

Enable onboard LPT port and address is 278/IRQ5.

Disabled

Disable onboard LPT port.

3BC/IRQ7

Enable onboard LPT port and address is 3BC/IRQ7.

•

Onboard Parallel Mode

The default value is SPP.

SPP

Using Parallel port as Normal Printer Port.

EPP/SPP

Using Parallel port as Enhanced Parallel Port/ Normal
Printer Port.

ECP

Using Parallel port as Extended Capabilities Port.

ECP/EPP

Using Parallel port as Extended Capabilities Port
mode/Enhanced Parallel Port.



As ECP,ECP/EPP Mode is selected, two options can be defined:

1. ECP Mode use DMA: 3

2. ECP Mode use DMA: 1

4.13. SUPERVISOR / USER PASSWORD

BIOS Configuration

4-24

When you select this function, the following message will appear at the center
of the screen to assist you in creating a password.

ENTER PASSWORD

ROM PCI / ISA BIOS

USER PASSWORD

AWARD SOFTWARE, INC.

SAVE & EXIT SETUPLOAD BIOS DEFAULT SEnter Password:

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PNP/PCI CONFIGURATION

LOAD SETUP DEFAULTS

USER PASSWORD

EXIT WITHOUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift)F2

: Select Item

: Chang Color

IDE HDD AUTO DETECTIONPOWER MANAGEMENT SETUP

INT EGRATED PERIPHERALS

SUPERUSER PASSWORD

HDD LOW LEVEL FORMAT

Change / Set / Disable Password

Figure 4.10: Password Setting

Type the password, up to eight characters, and press <Enter>. The password
typed now will clear and previously entered password from CMOS memory.

You will be asked to confirm the password. Type the password again and press
<Enter>. You may also press <Esc> to abort the selection and not enter a
password.

To disable password, just press <Enter> when you are prompted to enter
password. A message will confirm the password being disabled.

Once the password is disabled, the system will boot and you can enter Setup
freely.

PASSWORD DISABLED

GA-686FX

4-25

If you select System at Security Option of BIOS Features Setup Menu, you will
be prompted for the password every time the system is rebooted or any time
you try to enter Setup.

If you select Setup at Security Option of BIOS Features Setup Menu, you will
be prompted only when you try to enter Setup.

4.14. IDE HDD AUTO DETECTION

ROM PCI / ISA BIOS

IDE HDDD AUTO DETECTION

AWARD SOFTWARE, INC.

ESC

CYLS. HEAD PRECOMP LANDZ SECTOR

Select Primary Master Option (N=Skip): N

: Skip

SIZETYPEHARD DISKS MODE

OPTION SIZE CYLS. HEAD PRECOMP LANDZ SECTOR MODE

1 (Y)

2

3

521

521

521

1060

530

530

16

32

32

65535

65535

0

1059

1059

1059

63

63

63

NORMAL

LBA

LARGE

Figure 4.11: DIE HDD Auto Detection

Type "Y" will accept the H.D.D. parameter reported by BIOS.
Type "N" will keep the old H.D.D. parameter setup. If the hard disk cylinder NO.

is over 1024, then the user can select LBA mode or LARGER mode for DOS
partition LARGE than 528 MB.

4.15. HDD LOW LEVEL FORMAT

BIOS Configuration

4-26

HDD LOW LEVEL FORMAT

LOAD BIOS DEFAULTS

ROM PCI / ISA BIOS
CMOS SETUP UTILIT Y
AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PNP/PCI CONFIGURATION

LOAD SETUP DEFAULTS

INT EGRATED PERIPHERALS

SAVE & EXIT SETUP

EXIT WITHOUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift)F2

: Select Item

: Chang Color

Hard Disk Low Level Format Utilit y

IDE HDD AUTO DETECTIONPOWER MANAGEMENT SETUP

SUPERVISOR PASSWORD

USER PASSWORD

Figure 4.12: HDD Low Level Format
HDD Low Level Format Utility:
In main manual: There are three options to choose:

one is: SELECT DRIVE: "C" or "D".
another one is: BAD TRACK LIST: User can auto, add,

modify, delete, clear for bad track of HDD.

the other one is : PREFORMAT: Lower Level Format HDD.

GA-686FX

4-27

4.16. SAVE & EXIT SETUP

ROM PCI / ISA BIOS

SAVE & EXIT SETUP

AWARD SOFTWARE, INC.

Save Data to CMOS & Exit SET UP

SAVE & EXIT SETUPLOAD BIOS DEFAULTS

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PNP/PCI CONFIGURATION

LOAD SETUP DEFAULTS

USER PASSWORD

EXIT WITHOUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift)F2

: Select Item

: Chang Color

IDE HDD AUTO DETECTIONPOWER MANAGEMENT SETUP

INT EGRATED PERIPHERALS

SUPERUSER PASSWORD

HDD LOW LEVEL FORMAT

SAVE to CMOS and EXIT (Y/N)? N

Figure 4.13: Save & Exit Setup

Type "Y" will quit the Setup Utility and save the user setup value to RTC CMOS
SRAM.

Type "N" will return to Setup Utility.

BIOS Configuration

4-28

4.17. EXIT WITHOUT SAVING

ROM PCI / ISA BIOS

EXIT WITHOUT SAVING

AWARD SOFTWARE, INC.

Abandon all Datas & Exit SETUP

SAVE & EXIT SETUPLOAD BIOS DEFAULT S

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PNP/PCI CONFIGURATION

LOAD SETUP DEFAULTS

USER PASSWORD

EXIT WITHOUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift)F2

: Select Item

: Chang Color

IDE HDD AUTO DETECTIONPOWER MANAGEMENT SETUP

INT EGRATED PERIPHERALS

SUPERUSER PASSWORD

HDD LOW LEVEL FORMAT

Quit Without Saving (Y/N)? N

Figure 4.14: Exit Without Saving

Type "Y" will quit the Setup Utility without saving to RTC CMOS SRAM.

Type "N" will return to Setup Utility.

GA-686FX

5-1

5. AT TECHNICAL INFORMATION

5.1. I/O BUS CONNECTOR PIN OUT

5.1.1. ISA SLOT PIN OUT

B23
B24

B31

B05

B07

B10

B13

B15

B19

B21

B25

B29

B02

B04

B08

B11

B14

B17

B20

B26
B27

B01

B03

B06

B09

B12

B16

B18

B22

B28

B30

-REFRESH

A05

A07

A10

A13

A15

A19

A21

A02

A04

A08

A11

A14

A17

A20

A01

A03

A06

A09

A12

A16

A18

A22
A23
A24

A31

A25

A29

A26
A27
A28

A30

D05

D07

D10

D13

D15

D02

D04

D08

D11

D14

D17

D01

D03

D06

D09

D12

D16

D18

C05

C07

C10

C13

C15

C02

C04

C08

C11

C14

C17

C01

C03

C06

C09

C12

C16

C18

SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA09
SA08
SA07
SA06
SA05
SA04
SA03
SA02
SA01
SA00

SD07
SD06

SD04
SD03
SD02

SD05

SD00

SD01

-I/O CH RDY
AEN

-I/O CH CHKGND

RESET

+5V

IRQ9

-5V

DRQ2

-12V
0WS

+12V

GND

-SMEMW

-SMEMR

-IOW

-IOR

-DACK3

-DRQ3

-DACK1

-DRQ1

BCLK

IRQ7
IRQ6
IRQ5
IRQ4
IRQ3

-DACK2
T/C

BALE

+5V

OSC

GND

-MEMCS16

-I/OCS16
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14

-DACK0
DRQ0

-DACK5
DRQ5

-DACK6
DRQ6

-DACK7
DRQ7

+5V

-MASTER
GND

SBHE
LA23
LA22
LA21
LA20
LA19
LA18
LA17

-MEMR

-MEMW
SD08
SD09
SD10
SD11
SD12
SD13
SD14
SD15

AT Technical Information

5-2

5.1.2. PCI - BUS SLOT PIN OUT

B23
B24

B31

B05

B07

B10

B13

B15

B19

B21

B25

B29

B02

B04

B08

B11

B14

B17

B20

B26
B27

B01

B03

B06

B09

B12

B16

B18

B22

B28

B30

A05

A07

A10

A13

A15

A19

A21

A02

A04

A08

A11

A14

A17

A20

A01

A03

A06

A09

A12

A16

A18

A22
A23
A24

A31

A25

A29

A26
A27
A28

A30

B33
B34

B41

B35

B39

B36
B37

B32

B38

B40

A32
A33
A34

A41

A35

A39

A36
A37
A38

A40

B43
B44
B45

B49

B46
B47

B42

B48

A42
A43
A44
A45

A49

A46
A47
A48

B53
B54

B61

B55

B59

B56
B57

B52

B58

B60

A52
A53
A54

A61

A55

A59

A56
A57
A58

A60

B62 A62

NC
+12V
NC
NC
VCC
INT A#
INT C#
VCC
NC
VCC
NC
GND
GND
NC

NC

NC

NC

NC

NC

RST#
VCC
GNT#
GND

AD_30

AD_28
AD_26
GND
AD_24
IDSEL
NC
AD_22
AD_20
GND
AD_18
AD_16

FRAME#
GND
TRDY#
GND
STOP#

SDONE

SBO#
GND
PAR
AD_15

AD_13
AD_11
GND
AD_09

CBE#0
NC
AD_06
AD_04
GND
AD_02
AD_00
VCC
NC
VCC
VCC

NC

SERR#

NC

CBE#1

AD_14

GND
AD_12
AD_10

GND

AD_08
AD_07

NC
AD_05
AD_03

GND

AD_01

VCC

NC

VCC
VCC

AD_25

NC
CBE#3
AD_23

GND
AD_21
AD_19

NC
AD_17
CEB#2

GND

IRDY#

NC

DEVSEL#

GND

LOCK#

PERR#

VCC
INT B#
INT D#

PST#1

NC

PST#2

GND
GND

NC
GND
CLK
GND

REQ#

VCC
AD_31
AD_29

GND

AD_27

-12V
NC

GND

NC

VCC

GA-686FX

5-3

5.2. I/O & MEMORY MAP

MEMORY MAP:

[0000000-009FFFF]

System memory used by DOS and application program.

[00A0000-00BFFFF]

Display buffer memory for VGA/ EGA/CGA/MONOCHROME adapter.

[00C0000-00DFFFF]

Reserved for I/O device BIOS ROM or RAM buffer.

[00E0000-00EFFFF]

Reserved for PCI device ROM.

[00F0000-00FFFFF]

System BIOS ROM.

[0100000-BFFFFFF]

System extension memory.

I/O MAP:

[000-01F]

DMA controller.(Master)

[020-021]

INTERRUPT controller.(Master)

[022-023]

CHIPSET control registers I/O ports.

[040-05F]

TIMER control registers.

[060-06F]

KEYBOARD interface controller.(8042)

[070-07F]

RTC ports & CMOS I/O ports.

[080-09F]

DMA register.

[0A0-0BF]

INTERRUPT controller.(Slave)

[0C0-0DF]

DMA controller.(Slave)

[0F0-0FF]

MATH COPROCESSOR

[1F0-1F8]

HARD DISK controller.

[278-27F]

PARALLEL port-2.

[2B0-2DF]

GRAPHICS adapter controller.

[2F8-2FF]

SERIAL port-2.

[360-36F]

NETWORK ports.

[378-37F]

PARALLEL port-1

[3B0-3BF]

MONOCHROME & PRINTER adapter.

[3C0-3CF]

EGA adapter.

[3D0-3DF]

CGA adapter.

[3F0-3F7]

FLOPPY DISK controller.

[3F8-3FF]

SERIAL port-1.

5.3. TIMER & DMA CHANNELS MAP

TIMER MAP:

TIMER Channel-0 System timer interrupt

TIMER Channel-1 DRAM REFRESH request

TIMER Channel-2 SPEAKER tone generator

DMA CHANNELS:

DMA Channel-0 Available

DMA Channel-1 IBM SDLC

DMA Channel-2 FLOPPY DISK adapter

DMA Channel-3 Available

DMA Channel-4 Cascade for DMA controller 1

DMA Channel-5 Available

DMA Channel-6 Available

DMA Channel-7 Available

5.4. INTERRUPT MAP

AT Technical Information

5-4

NMI:

Parity check error

IRQ (H/W):

0 System TIMER interrupt from TIMER-0

1 KEYBOARD output buffer full

2 Cascade for IRQ 8-15

3 SERIAL port 2

4 SERIAL port 1

5 PARALLEL port 2

6 FLOPPY DISK adapter

7 PARALLEL port 1

8 RTC clock

9 Available

10 Available

11 Available

12 P/S 2 Mouse

13 MATH coprocessor

14 HARD DISK adapter

15 Available

GA-686FX

5-5

5.5. RTC & CMOS RAM MAP

RTC & CMOS:

00

Seconds

01

Second alarm

02

Minutes

03

Minutes alarm

04

Hours

05

Hours alarm

06

Day of week

07

Day of month

08

Month

09

Year

0A

Status register A

0B

Status register B

0C

Status register C

0D

Status register D

0E

Diagnostic status byte

0F

Shutdown byte

10

FLOPPY DISK drive type byte

11

Reserve

12

HARD DISK type byte

13

Reserve

14

Equipment byte

15

Base memory low byte

16

Base memory high byte

17

Extension memory low byte

18

Extension memory high byte

19-2d

2E-2F

30

Reserved for extension memory low byte

31

Reserved for extension memory high byte

32

DATE CENTURY byte

33

INFORMATION FLAG

34-3F

Reserve

40-7f

Reserved for CHIPSET SETTING DATA

Appendix A: Post Message

A-1

APPENDIX A: POST MESSAGE

When the BIOS encounters an error that requires the user to correct something,
either a beep code will sound or a message will be displayed in a box in the
middle of the screen and the message PRESS F1 TO CONTINUE, CTRL-ALT­ESC OR DEL TO ENTER SETUP will be shown in the information box at the
bottom.

•

POST BEEP

Currently there is only one beep code in BIOS. This code indicates that a
video error has occurred and the BIOS cannot initialize the video screen to
display any additional information. This beep code consists of a single long
beep followed by two short beeps.

•

ERROR MESSAGE

Once or more of the following messages may be displayed if the BIOS
detects an error during the POST. This list includes message for both the
ISA and the EISA BIOS.



CMOS BATTERY HAS FAILED

CMOS battery is no longer functional. It should be replaced.



CMOS CHECKSUM ERROR

Checksum of CMOS is incorrect. This can indicate that CMOS has become
corrupt. This error may have been caused by a weak battery. Check the
battery and replace if necessary.



DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER

No boot device was found. Insert a system disk into Drive A: and press
<Enter>. If you assumed the system would boot from the hard drive, make
sure the controller is inserted correctly and all cables are properly attached.
Also be sure the disk is formatted as a boot device. Then reboot the
system.



DISKETTE DRIVES OR TYPES MISMATCH ERROR - RUN SETUP

Type of diskette drive installed in the system is different from the CMOS
definition. Run Setup to re-configure the drive type correctly.



DISPLAY SWITCH IS SET INCORRECTLY

A-2

Display switch on the motherboard can be set to either monochrome or
color. This indicates the switch is set to a different setting than indicated in
Setup.

Determine which setting is correct, and then either turn off the system and
change the jumper, or enter Setup and change the VIDEO selection.



DISPLAY TYPE HAS CHANGED SINCE LAST BOOT

Since last powering off the system, the display adapter has been changed.
You must configure the system for the new display type.



EISA Configuration Checksum Error

PLEASE RUN EISA CONFIGURATION UTILITY
The EISA non-volatile RAM checksum is incorrect or cannot correctly read

the EISA slot. This can indicate either the EISA non-volatile memory has
become corrupt or the slot has configured incorrectly. Also be sure the card
is installed firmly in the slot.



EISA Configuration Is Not Complete

PLEASE RUN EISA CONFIGURATION UTILITY
The slot configuration information stored in the EISA non-volatile memory

is incomplete.



When either of these errors appear, the system will boot in ISA mode,

which allows you to run the EISA Configuration Utility.



ERROR ENCOUNTERED INITIALIZING HARD DRIVE

Hard drive cannot be initialized. Be sure the adapter is installed correctly
and all cables are correctly and firmly attached. Also be sure the correct
hard drive type is selected in Setup.



ERROR INITIALIZING HARD DISK CONTROLLER

Cannot initialize controller. Make sure the cord is correctly and firmly
installed in the bus. Be sure the correct hard drive type is selected in Setup.
Also check to see if any jumper needs to be set correctly in the hard drive.



FLOPPY DISK CNTRLR ERROR OR NO CNTRLR PRESENT

Appendix A: Post Message

A-3

Cannot find or initialize the floppy drive controller. Make sure the controller
is installed correctly and firmly. If there are no floppy drives installed, be
sure the Diskette Drive selection in Setup is set to NONE.



Invalid EISA Configuration

PLEASE RUN EISA CONFIGURATION UTILITY
The non-volatile memory containing EISA configuration information was

programmed incorrectly or has become corrupt. Re-run EISA configuration
utility to correctly program the memory.



When this error appears, the system will boot in ISA mode, which allows

you to run the EISA Configuration Utility.



KEYBOARD ERROR OR NO KEYBOARD PRESENT

Cannot initialize the keyboard. Make sure the keyboard is attached
correctly and no keys are being pressed during the boot.

If you are purposely configuring the system without a keyboard, set the
error halt condition in Setup to HALT ON ALL, BUT KEYBOARD. This will
cause the BIOS to ignore the missing keyboard and continue the boot.



Memory Address Error at ...

Indicates a memory address error at a specific location. You can use this
location along with the memory map for your system to find and replace
the bad memory chips.



Memory parity Error at ...

Indicates a memory parity error at a specific location. You can use this
location along with the memory map for your system to find and replace
the bad memory chips.



MEMORY SIZE HAS CHANGED SINCE LAST BOOT

Memory has been added or removed since the last boot. In EISA mode
use Configuration Utility to re-configure the memory configuration.

In ISA mode enter Setup and enter the new memory size in the memory
fields.



Memory Verify Error at ...

A-4

Indicates an error verifying a value already written to memory. Use the
location along with your system's memory map to locate the bad chip.



OFFENDING ADDRESS NOT FOUND

This message is used in conjunction with the I/O CHANNEL CHECK and
RAM PARITY ERROR messages when the segment that has caused the
problem cannot be isolated.



OFFENDING SEGMENT:

This message is used in conjunction with the I/O CHANNEL CHECK and
RAM PARITY ERROR messages when the segment that has caused the
problem has been isolated.



PRESS A KEY TO REBOOT

This will be displayed at the bottom screen when an error occurs that
requires you to reboot. Press any key and the system will reboot.



PRESS F1 TO DISABLE NMI, F2 TO REBOOT

When BIOS detects a Non-maskable Interrupt condition during boot, this
will allow you to disable the NMI and continue to boot, or you can reboot
the system will the NMI enabled.



RAM PARITY ERROR - CHECKING FOR SEGMENT ...

Indicates a parity error in Random Access Memory.



Should Be Empty But EISA Board Found

PLEASE RUN EISA CONFIGURATION UTILITY
A valid board ID was found in a slot that was configured as having no board

ID.



When this error appears, the system will boot in ISA mode, which allows

you to run the EISA Configuration Utility.



Should Have EISA Board But Not Found

PLEASE RUN EISA CONFIGURATION UTILITY
The board installed is not responding to the ID request, or no board ID has

been found in the indicated slot.

Appendix A: Post Message

A-5



When this error appears, the system will boot in ISA mode, which allows

you to run the EISA Configuration Utility.



Slot Not Empty

Indicates that a slot designated as empty by the EISA Configuration Utility
actually contains a board.



When this error appears, the system will boot in ISA mode, which allows

you to run the EISA Configuration Utility.



SYSTEM HALTED, (CTRL-ALT-DEL) TO REBOOT ...

Indicates the present boot attempt has been aborted and the system must
be rebooted. Press and hold down the CTRL and ALT keys and press DEL.



Wrong Board In Slot

PLEASE RUN EISA CONFIGURATION UTILITY
The board ID does not match the ID stored in the EISA non-volatile

memory.



When this error appears, the system will boot in ISA mode, which allows

you to run the EISA Configuration Utility.

GA-686FX

B-1

APPENDIX B: POST CODES



EISA POST codes are typically output to port address 300h. ISA POST

codes are typically output to port address 80h.

POST

Name

Description

C0

Turn Off Chipset
Cache

OEM Specific-Cache control.

1

Processor Test 1

Processor Status (1 FLAGS) Verification.
Test the following processor status flags
carry, zero, sign, overflow,
The BIOS will set each of these flags, verify they are

set, then turn each flag off and verify it is off.

2

Processor Test 2

Read/Write/Verify all CPU registers except SS, SP,
and BP with data pattern FF and 00.

3

Initialize Chips

Disable NMI, PIE, AIE, UEI, SQWV.
Disable video, parity checking, DMA.
Reset math coprocessor.
Clear all page registers, CMOS shutdown byte.
Initialize timer 0, 1, and 2, including set EISA timer to

a known state.
Initialize DMA controllers 0 and 1.
Initialize interrupt controllers 0 and 1.
Initialize EISA extended registers.

4

Test Memory
Refresh Toggle

RAM must be periodically refreshed in order to keep
the memory from decaying. This function assures
that the memory refresh function is working properly.

5

Blank video,
Initialize keyboard

Keyboard controller initialization.
6

Reserved

7

Test CMOS
Interface and
Battery Status

Verifies CMOS is working correctly, detects bad
battery.

BE

Chipset Default
Initialization

Program chipset registers with power on BIOS
defaults.

C1

Memory presence
test

OEM Specific-Test to size on-board memory.
C5

Early Shadow

OEM Specific-Early Shadow enable for fast boot.

C6

Cache presence
test

External cache size detection.

Appendix B: Post Codes

B-2

8

Setup low memory

Early chip set initialization.
Memory presence test.
OEM chip set routines.
Clear low 64 K of memory.
Test first 64 K memory.

9

Early Cache
Initialization

Cyrix CPU initialization.
Cache initialization.

A

Setup Interrupt
Vector Table

Initialize first 120 interrupt vectors with
SPURIOUS_INT-HDLR and initialize INT 00h-1Fh
according to INT_TBL.

B

Test CMOS RAM
Checksum

Test CMOS RAM Checksum, if bad, or insert key
pressed, load defaults.

C

Initialize keyboard

Detect type of keyboard controller (optional).
Set NUM_LOCK status.

D

Initialize Video
Interface

Detect CPU clock.
Read CMOS location 14h to find out type of video in

use.
Detect and Initialize Video Adapter.

E

Test Video
Memory

Test video memory, write sign-on message to
screen.

Setup shadow RAM - Enable shadow according to
Setup.

F

Test DMA
Controller 0

BIOS checksum test.
Keyboard detect and initialization.

10

Test DMA
Controller 1

11

Test DMA Page
registers

Test DMA Page Registers.
12-13

Reserved

14

Test Timer
Counter 2

Test 8254 Timer 0 Counter 2.

15

Test 8259-1 Mask
Bits

Verify 8259 Channel 1 masked interrupts by
alternately turning off and on the interrupt lines.

16

Test 8259-2 Mask
Bits

Verify 8259 Channel 2 masked interrupts by
alternately turning off and on the interrupt lines.

17

Test Stuck 8259's
Interrupt Bits

Turn off interrupts then verify no interrupt mask
register is on.

18

Test 8259
Interrupt
Functionality

Force an interrupt and verify the interrupt occurred.

GA-686FX

B-3

19

Test Stuck NMI
Bits (Parity/IO
Check)

Verify NMI can be cleared.
1A Display CPU clock.

1B-1E

Reserved

1F

Set EISA Mode

If EISA non-volatile memory checksum is good,
execute EISA initialization. If not, execute ISA tests
an clear EISA mode flag.

Test EISA Configuration Memory Integrity
(checksum & communication interface).

20

Enable Slot 0

Initialize slot 0 (System Board).

21-2F

Enable Slots 1-15

Initialize slot 1 through 15.

30

Size Base and
Extended Memory

Size base memory from 256 K to 640 K extended
memory above 1 MB.

31

Test Base and
Extended Memory

Test base memory from 256 K to 640 K and
extended memory above 1 MB using various
patterns.

 This will be skipped in EISA mode and can be

"skipped" with ESC key in ISA mode.

32

Test EISA
Extended Memory

If EISA Mode flag is set then test EISA memory
found in slots initialization.

 This will be skipped in ISA mode and can be

"skipped" with ESC key in EISA mode.

33-3B

Reserved

3C

Setup Enabled

3D

Initialize & Install
Mouse

Detect if mouse is present, initialize mouse, install
interrupt vectors.

3E

Setup Cache
Controller

Initialize cache controller.
3F

Reserved

BF

Chipset
Initialization

Program chipset registers with Setup values.
40 Display virus protest disable or enable.

41

Initialize Floppy
Drive & Controller

Initialize floppy disk drive controller and any drives.

42

Initialize Hard
Drive & Controller

Initialize hard drive controller and any drives.

43

Detect & Initialize
Serial/Parallel
Ports

Initialize any serial and parallel ports (also game
port).
44

Reserved

Appendix B: Post Codes

B-4

45

Detect & Initialize
Math Coprocessor

Initialize math coprocessor.
46

Reserved

47

Reserved

48-4D

Reserved

4E

Manufacturing
POST Loop or
Display Messages

Reboot if Manufacturing POST Loop pin is set.
Otherwise display any messages (i.e., any non-fatal
errors that were detected during POST) and enter
Setup.

4F

Security Check

Ask password security (optional).

50

Write CMOS

Write all CMOS values back to RAM and clear
screen.

51

Pre-boot Enable

Enable parity checker.
Enable NMI, Enable cache before boot.

52

Initialize Option
ROMs

Initialize any option ROMs present from C8000h to
EFFFFh.

 When FSCAN option is enabled, will initialize

from C8000h to F7FFFh.

53

Initialize Time
Value

Initialize time value in 40h: BIOS area.

60

Setup Virus
Protect

Setup virus protect according to Setup
61

Set Boot Speed

Set system speed for boot

62

Setup NumLock

Setup NumLock status according to Setup

63

Boot Attempt

Set low stack.
Boot via INT 19h.

B0

Spurious

If interrupt occurs in protected mode.

B1

Unclaimed NMI

If unmasked NMI occurs, display
Press F1 to disable NMI, F2 reboot.

E1-EF

Setup Pages

E1 - Page 1, E2 - Page 2, etc.

FF

Boot

GA-686FX

C-1

APPENDIX C: BIOS DEFAULT DRIVE TABLE

Type

Size
(MB)

Cylinders

Heads

Sectors

Write /
Precomp

Land
Zone

Example Model

1

10 MB

306 4 17

128

305

TEAC SD510
MMI 112, 5412

2

20 MB

615 4 17

300

615

Seagate ST225,
ST4026

3

31 MB

615 6 17

300

615

4

62 MB

940 8 17

512

940

5

47 MB

940 6 17

512

940

6

20 MB

615 4 17

65535

615

Seagate ST125
Tandon TM262

7

31 MB

462 8 17

256

511

8

30 MB

733 5 17

65535

733

Tandon TM703

9

112 MB

900

15

17

65535

901 10

20 MB

820 3 17

65535

820

11

35 MB

855 5 17

65535

855 12

50 MB

855 7 17

65535

855

13

20 MB

306 8 17

128

319

Disctron526,
MMI M125

14

43 MB

733 7 17

65535

733

16

20 MB

612 4 17 0 663

Microscience
HH725

Syquest3250,
3425

17

41 MB

977 5 17

300

977

18

57 MB

977 7 17

65535

977 19

60 MB

1024 7 17

512

1023

20

30 MB

733 5 17

300

732

21

43 MB

733 7 17

300

732

22

30 MB

733 5 17

300

733

Seagate ST4038

23

10 MB

306 4 17 0 336 24

54 MB

925 7 17 0 925

Seagate ST4051

25

69 MB

925 9 17

65535

925

Seagate ST4096

26

44 MB

754 7 17

754

754

Maxtor2085

Appendix C: BIOS Default Drive Table

C-2

27

69 MB

754

11

17

65535

754

Maxtor2140,
Priam S14

28

41 MB

699 7 17

256

699

Maxtor2190,
Priam S19

29

68 MB

823

10

17

65535

823

Maxtor1085
Micropolis1325

30

53 MB

918 7 17

918

918

Maxtor1105,
1120, 4780

31

94 MB

1024

11

17

65535

1024

Maxtor1170

32

128 MB

1024

15

17

65535

1024

CDC9415

33

43 MB

1024 5 17

1024

1024

34

10 MB

612 2 17

128

612 35

77 MB

1024 9 17

65535

1024

36

68 MB

1024 8 17

512

1024

37

41 MB

615 8 17

128

615 38

25 MB

987 3 17

987

987

39

57 MB

987 7 17

987

987

Maxtor1140,
4380

40

41 MB

820 6 17

820

820

Seagate ST251

41

41 MB

977 5 17

977

977

Seagate ST4053
Miniscribe3053/
6053

42

41 MB

981 5 17

981

981

Miniscribe3053/
6053 RLL

43

48 MB

830 7 17

512

830

Miniscribe 3650

44

69 MB

830

10

17

65535

830

Miniscribe 3650
RLL

45

114 MB

917

15

17

65535

918

Conner CP3104

46

152 MB

1224

15

17

65535

1223

Conner CP3204

User

GA-686FX

D-1

APPENDIX D: PROBLEM SHEET

1. Customer Data

Name

Tel. No.

Address

Fax. No.

Purchase Date

2. Mainboard Date

Model NO.

GA-

Rev. No.

Serial No.

3. System Configuration

CPU Type:

CPU Brand:

CPU Speed:

DRAM Type:

❑ 1

❑ 2

❑ 4

❑ 8

❑ 16

❑ 32 MB

DRAM Speed:

❑ 80

❑ 70

❑ 60 ns

DRAM Total Size:

MB

DRAM Brand:

SRAM Size:

❑ 64KB

❑ 128 KB

❑ 256 KB

❑ 512 KB

SRAM Part No.

TAG:

DATA:

Video Card:

Video Chip or Brand:

Floppy Drive A Capacity & Brand:

Floppy Drive B Capacity & Brand:

Storage Controller Type

❑ MFM

❑ RLL

❑ IDE

❑ EDSI

❑ SCSI

Hard Drive C Brand & Type:

Hard Drive D Brand & Type:

LAN Controller Type:

LAN Card Brand & Model:

Serial / Parallel Chip Brand & Model:

Mouse Brand & Model:

O.S.

❑ DOS

❑ OS/2

❑ NETWARE

❑ UNIX / XENIX Ver.:

4. AUTOEXEC.BAT & CONFIG.SYS File:

5. Problem Description:

R-01-02-061030