Gigabyte GA-586ATS User Manual

GA - 586ATS

USER'S MANUAL

PCI - ISA SOLUTION

PENTIUM PCI - ISA BUS MAINBOARD

REV. 2 Second Edition

GA-586ATS

2

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.

FEBRUARY 01, 1996 Taipei, Taiwan

TABLE OF CONTENTS

Table of Contents

3

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

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. SRAM INSTALLATION AND JUMPERS SETUP.........................................3-5

3.5.1 Async. SRAM .............................................................................3-5

3.5.2 Sync. SRAM ...............................................................................3-5

3.6. CPU INSTALLATION AND JUMPERS SETUP............................................3-6

3.7. CMOS RTC & ISA CFG CMOS SRAM ........................................................3-6

3.8. SPEAKER CONNECTOR INSTALLATION .................................................3-7

3.9. POWER LED & KEY LOCK CONNECTOR INSTALLATION ......................3-7

3.10. TURBO SWITCH CONNECTOR INSTALLATION ....................................3-7

3.11. TURBO LED CONNECTOR INSTALLATION............................................3-7

3.12. HARDWARE RESET SWITCH CONNECTOR INSTALLATION ...............3-7

3.13. GREEN FUNCTION INSTALLATION........................................................3-7

3.14. PERIPHERAL DEVICE INSTALLATION ...................................................3-8

3.15. KEYBOARD SETTING FUNCTION...........................................................3-8

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

4.1. ENTERING SETUP .....................................................................................4-1

4.2. CONTROL KEYS.........................................................................................4-2

4.3. GETTING HELP ..........................................................................................4-2

4.3.1. Main Menu..................................................................................4-2

4.3.2. Status Page Setup Menu / Option Page Setup Menu.................4-2

4.4. THE MAIN MENU ........................................................................................4-2

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

4.6. BIOS FEATURES SETUP............................................................................4-8

4.7. CHIPSET FEATURES SETUP.....................................................................4-11

4.8. POWER MANAGEMENT SETUP................................................................4-15

4.9. PCI SLOT CONFIGURATION ................................................................4-17

4.10. LOAD SETUP DEFAULTS.........................................................................4-18

4.11. PASSWORD SETTING ..........................................................................4-19

4.12. IDE HDD AUTO DETECTION ...................................................................4-20

4.13. SAVE & EXIT SETUP .............................................................................4-21

4.14. EXIT WITHOUT SAVING .......................................................................4-22

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

GA-586ATS

4

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

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 - 586ATS motherboard. The motherboard is a 256 KB
/ 512 KB CACHE PENTIUM 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

❑

Pentium based PC / AT compatible mainboard with PCI - ISA Bus.

❑

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

❑

Supports Pentium processor / P54CT running at 75-200 MHz.

❑

Supports true 64 bits CACHE and DRAM access mode.

❑

Supports 321 Pins (Socket 7) ZIF white socket on board.

❑

Supports 256 KB / 512 KB Async. 2nd cache memory or 256 KB / 512 KB

Pipeline Burst Sync. 2nd Cache Module (or on board for REV. 2X.).

❑

CPU L1 / L2 Write-Back cache operation.

❑

Supports 8 - 128 MB DRAM memory on board.

❑

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

❑

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

❑

Supports Green function, Plug & Play function.

❑

Licensed AWARD BIOS, FLASH EEPROM for BIOS update.

❑

BENCHMARQ3287 / DALLAS 12887 / ODIN 12C887 RTC on board.

❑

3/4 BABY AT size, 4 layers PCB.

GA-586ATS

1-2

1.3. PERFORMANCE LIST

The following performance data list is the testing results of some popular
benchmark testing programs. These data are just referred by users, and there
is no responsibility for different testing data values gotten by users. (The
different Hardware & Software configuration will result in different benchmark
testing results.)

• CPU

Pentium processor 133/166 MHz

• DRAM

16 MB EDO

• CACHE SIZE

256 KB Pipeline Burst SRAM

• DISPLAY

S3968 VGA

• STORAGE

Onboard IDE port + Quantum Fireball 540AT

• O.S.

MS DOS V6.22



DOS➢

Program

Item

Unit

Pentium 133/66

Pentium 166/60

LandMark Speed

CPU

MHz

765.62

956.98

FPU

MHz

2220.33

2775.26

V2.0

VIDEO

chr/ms

20480.00

20480

MIPS

Mips

66.1

81.3

Power Meter

Dhrystone

K-Dstone/s

116.2

142.8

Whetstone

K-Wstone/s

25623.4

32235.9

V1.81

Data Transfer Rate

KB/S

14275.0

14275.0

Mean Seek

ms

10.2

9.5

Track-Track Seek

ms

2.6

2.4

Norton System Info.

CPU

Index

420.3

525.4

V8.0

Disk

Index

24.0

24.0

Core Test

DATA Transfer Rate

KB/S

14928

14960

Sequential Read

ms

6240

6240

V.3.02

Random Read

ms

2288

2288

Performance Index

Index

94.64

94.83

PC BenchMark

DOS Mark

Index

1000.83

1085.13

CPU Mark16

Index

285.57

342.69

V9.0

Video Score

Index

5353.74

5359.79

Disk Score

Index

516.31

543.11



WINDOWS➢− with Display Driver at 800 x 600 x 256 colors x 72Hz

Program

Item

Unit

Pentium 133/66

Pentium 120/60

Winbench 95

Disk Winmark95

KB/s

23.1

26.2

Graphics Winmark95

Mpixels/S

1010

1010

Winstone 95

Winstone95

Index

207.2

222.8

Introduction

1-3

1.4. BLOCK DIAGRAM

CACHE

CPU

CLOCK

GENERATOR

14.718MHZ

S82437FX

HD

DLINK

MA

AD

S82438FX DRAM

Floppy

LPT

COM1
COM2

24MHz

I/O

ISA
SLOT

S82371FB

74F245

IDE1
IDE2

CPU BUS

Address
Data
Control

PCI BUS

AD
Control

ISA BUS

Address
Data
Control

MD

GA-586ATS

1-4

1.5. INTRODUCE THE PCI - BUS

Connecting devices to a CPU local bus can dramatically increase the speed of
I/O-bound peripherals with only a slight increase in cost over traditional systems.
This price / performance point has created a vast market potential for local bus
products. The main barrier to this market has been the lack of an accepted
standard for local bus peripherals. Many mainboard and chipset manufactures
developed their own local bus implementations, but they are incompatible with
each other. The VL (Video Electronics Standards Association) local bus and PCI
(Peripheral Component Interconnect) bus specification was created to end this
confusion.

The PCI - bus standard, under development since Jun. 1992, which is designed
to bring workstation-level performance to standard PC platform. The PCI - bus
removes many of the bottlenecks that have hampered PC for several years. On
the PCI - bus, peripherals operate at the native speed of the computer system,
thus enabling data transfer between peripherals and the system at maximum
speed. This performance is critical for bandwidth-constrained devices such as
video, multimedia, mass storage, and networking adapters.

PCI - bus standard provides end-users with a low-cost, extendible and portable
local bus design, which will allow system and peripherals from different
manufactures to work together.

1.6. FEATURES

❑

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



Processor 75 - 200 MHz, P55C,

Pentium OverDrive Processor (P54CT,
P54CTB), AMD5K86, Cyrix6X86.

− 321 pins (socket 7) ZIF white socket on board.

− 3.3V / 2.8V Dual Power Ready.

• COPROCESSOR

− Included in Pentium.

• SPEED

− 50 / 60 / 66 MHz system and 25 / 30 / 33 PCI-

Bus speed.

− 7.5 / 8 MHz AT bus speed.

− Hardware speed switchable function.

• DRAM MEMORY

− 2 banks 72 pins SIMM module socket on board.

− Use 4 / 8 / 16 / 32 MB 60~70 ns SIMM module

DRAM.

− 8 ~ 128 MB DRAM size.

− Support Fast Page / EDO DRAM access mode.

• CACHE MEMORY

− 16 KB cache memory included in Pentium.

− 256 KB / 512 KB Async. or Pipeline Burst Sync.

2nd cache.

− Support Write Back cache function for both CPU

& on board cache.

• SHADOW RAM

− Main BIOS shadow function.

− Video BIOS shadow function programmable.

− Shadow RAM cacheable function.

• I/O BUS SLOTS

− 4 Master / Slave PCI-BUS.

− 3 16 bits ISA BUS, 1 8 bits ISA BUS..

• IDE PORTS

− 2 Enhanced IDE channels on board. (Using

IRQ14, 15)

− Support 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 1.44MB Floppy port. (Using DMA2 &

IRQ6)

− Supports PS/2 Mouse. (Using IRQ12 )

− Option Function.

GA-586ATS

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

− 3/4Baby AT size / 4 layers.

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.

− 5 A to 7 A current.

Hardware Installation

3-1

3. HARDWARE INSTALLATION

3.1. UNPACKING

The mainboard package should contain the following:

•

The GA - 586ATS mainboard.

•

USER'S MANUAL.

•

Cable set for I/O Device.

•

Diskette for BUS MASTE IDE Driver.

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.

GA-586ATS

3-2

3.2. MAINBOARD LAYOUT

++

J7

J6

J12

J11

J10 J8

J9

JP11

123

4

RTC BIOS

JP6JP7

+

J5

CPU

JP8 JP9

11

1

JP4 (REV.1X)

Cache Module

TAG RAM

+

J4

ISA SLOT7

ISA SLOT5

ISA SLOT3

ISA SLOT1

PCI4

PCI3

PCI2

PCI1
IDE2
IDE1

FLOPPY

LPT PORT

SIMM1

SIMM4

COMA

COMB

GA-586ATS

1

1

1

CN3

CN2

1

PS/2 MOUSE

J2

Keyboard

J1

Power

CN7

CN6

CN4

CN1

SYNC
SRAM

SRAM

SYNC

3
1



Figure 3.1➢

3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS

⧫ JP6,7: CPU Power Select Jumper

Pin No.

Function

Close Pin 1-2

For single 3.3V processor.

Close Pin 2-3

For single 2.8V / 3.3V processor (Ex. P55C).

⧫ 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

Hardware Installation

3-3

⧫ J1: Keyboard Connector

Pin No.

Function

1

Key Clock.

2

Key Data.

3

NC. 4 VCC (+5V).

5

GND.

⧫ J4: IDE Hard Disk Active LED

Pin No.

Function

1

LED anode (+).

2

LED cathode (-).

⧫ J5: CPU Cooling Fan Power Connector

Pin No.

Function

1

+12V

2

GND

⧫ J6: Speaker Connector

Pin No.

Function

1

VCC.

2

NC.

3

NC.

4

Data.

⧫ J7: Power LED and Key-Lock Connector

Pin No.

Function

1

LED anode (+).

2

NC.

3

LED cathode (-).

4

Key lock.

5

GND.

⧫ J8: Green Function Switch

Pin No.

Function

Close

For system entering Green mode ( Suspend mode).

Open

Normal operation.

⧫ J9: Green Function LED

Pin No.

Function

1

LED anode (+).

2

LED cathode (-).

⧫ J10: Reset Switch

GA-586ATS

3-4

Open

For normal operation.

Close

For hardware reset system.

⧫ J11: Turbo Switch

Pin No.

Function

Close

For low speed (Non-cache).

Open

For high speed.

⧫ J12: Turbo LED Connector

Pin No.

Function

1

LED anode (+).

2

LED cathode (-).

⧫ JP4: CACHE Size Selection (for REV.1X mainboard)

Pin No.

Function

1-2

256KB CACHE SIZE.

2-3

512KB CACHE SIZE.

⧫ JP8,9: System Speed Selection

JP8

JP9

Function

1-2

1-2

For 50 MHz system speed ( CPU 75, 100(x2) MHz ).

1-2

2-3

For 60 MHz system speed ( CPU 90, 120, 150, 180 MHz ).

2-3

1-2

For 66 MHz system speed ( CPU 100, 133, 166, 200 MHz ).

⧫ JP11: CPU INT. / EXT. FREQ. RATIO

1,2

3,4

Open

Open

x 1.5

Close

Open

x 2

Close

Close

x 2.5

Open

Close

x 3

⧫ CN1-4,6,7 I/O Ports Connector

CN2

For COM A (Serial port1)

CN3

For COM B (Serial port2)

CN4

For Floppy port

CN1

For LPT port

CN6

For Primary IDE port

CN7

For Secondary IDE port

Hardware Installation

3-5

3.4. DRAM INSTALLATION

The mainboard can be installed with 4 / 8 / 16 / 32 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 & bank 1. Each bank consist of 2 PCs 72 pins
SIMM module DRAM. 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 - 128 MB,
and various configuration of DRAM types in the following TABLE are for
reference:

Bank0

Bank1

Single:

Single bank SIMM Module

Single

None

Ex. 4MB, 16MB

Single

Single

Single

Double

Double:

Double banks SIMM Module

Double

None

Ex. 8MB, 32MB

Double

Single

Double

Double

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.

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. SRAM INSTALLATION AND JUMPERS SETUP

3.5.1 Async. SRAM (REV.1X)

The cache memory system consists of Data SRAM & TAG SRAM (U16), the
Data SRAM type is Mixed mode 32Kx8-15 ns or 64Kx8-15 ns.

The mainboard can be installed with 256 KB or 512 KB cache memory when
using 32Kx8 or 64Kx8 DATA SRAM separately. Please refer to the following
table to install cache memory system :

SIZE

Data SRAM

J4

TAG SRAM (U16)

256 KB

32 KB x 8

1-2

8 KB x 8 - 32 K x 8

512 KB

64 KB x 8

2-3

16 KB x 8,32 K x 8

GA-586ATS

3-6

3.5.2 Sync. SRAM (Pipe Line Burst SRAM) (REV.2X)

If Sync SRAM Module are installed, they consists of Pipeline Burst 2 PCs 32 K
x 32-7 for 256KB or 4 PCs 32Kx16-7 (May be 2 PCs 64Kx32-8) for 512KB Sync.
SRAM. The TAG SRAM (U16) is needed and Data SRAM (U1,2,4,5,8,10,11,12)
must be keep empty. (For REV.1X mainboard the cache size Jumper (JP4)
setting must match the cache size of cache module.)

3.6. CPU INSTALLATION AND JUMPERS SETUP

The system's speed depends on the frequency of CLOCK GENERATOR. The
user can change the JUMPER (JP8, JP9 & JP11) selection to set up the system

speed to 50 MHz, 60 MHz or 66 MHz for 75 - 200 MHz 3.3 / 2.8 V Pentium
Processor.

The mainboard can use Pentium Processor, P54CT, P55C, P54CTB CPU,
and 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.

JP8

JP9

JP11

FREQ
.

CPU SPEED

1-2

3-4

RATIO

1-2

1-2

OFF

OFF

1.5

PENTIUM 75 MHz, AMD5K86-P75

1-2

2-3

OFF

OFF

1.5

PENTIUM 90 MHz, AMD5K86-P90/P120

2-3

1-2

OFF

OFF

1.5

PENTIUM 100 MHz, AMD5K86-P100/P133

1-2

1-2

ON

OFF

2

Cyrix 6X86-P120

1-2

2-3

ON

OFF

2

PENTIUM 120 MHz, AMD5K86-P150, Cyrix 6X86-P150

2-3

1-2

ON

OFF

2

PENTIUM 133 MHz, AMD5K86-P166, Cyrix 6X86-P166

1-2

2-3

ON

ON

2.5

PENTIUM 150 MHz

2-3

1-2

ON

ON

2.5

PENTIUM 166 MHz

1-2

2-3

OFF

ON

3

PENTIUM 180 MHz

2-3

1-2

OFF

ON

3

PENTIUM 200 MHz



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.



When the user installs the CPU on socket, please notice the PIN 1 of

CPU is in the same corner as the PIN 1 of socket!



Before the CPU is installed, the mainboard must be placed on a flat

plane in order to avoid being broken by the pressure of CPU
installation.

3.7. CMOS RTC & ISA CFG CMOS SRAM

Hardware Installation

3-7

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.

3.8. SPEAKER CONNECTOR INSTALLATION

There is always a speaker in AT system for sound purpose. The 4 - Pins
connector J6 is used to connect speaker. The speaker can work well in both
direction of connector when it is installed to the connector J6 on mainboard.

3.9. POWER LED & KEY LOCK CONNECTOR INSTALLATION

There are a system power LED lamp and a key on the panel of case. The power
LED will light on when system is powered-on, and the key can lock the keyboard
input or unlock it, both of them are connected to a 5 PIN connector. The
connector should be installed to J7 of mainboard in correct direction.

3.10. TURBO SWITCH CONNECTOR INSTALLATION

The TURBO switch on the panel is used for controlling the system speed. Some
program developed on XT should be executed with a low speed system, so a
high speed system needs the speed switching function to change its running
speed.

The mainboard uses 40 MHz speed method to implement TURBO switching
function. The J11 on mainboard should be connected to the TURBO switch on
panel, and user can push in or pop out the TURBO switch to enable or disable
the turbo function of system.



Please don't use switch ON/OFF when power is ON.

3.11. TURBO LED CONNECTOR INSTALLATION

The TURBO LED on panel can indicate the current speed status of system. The
TURBO LED connector should be installed to J12 in correct direction.

3.12. HARDWARE RESET SWITCH CONNECTOR INSTALLATION

GA-586ATS

3-8

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 J10 on mainboard.

3.13. GREEN FUNCTION INSTALLATION

For the purpose of power saving, there are two jumpers, J8 and J9, to make
sure the power saving function doing well. The J9 is a indicator (green LED)
for green function. If the green LED is ON, the system is operating in green
mode. The J8 is a switch to force the system get into green mode
immediately.

3.14. PERIPHERAL DEVICE INSTALLATION

After the 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 and a disk device.

If the PCI - Bus device is to be installed in the system, any one of four PCI ­Bus slots can be used no matter Slave or Master PCI - Bus device being
installed.

After installing the peripheral device, the user should check everything again,
and prepare to power-on the system.

3.15. 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).

BIOS Configuration

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 battery­backed 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 system 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

GA-586ATS

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

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.

BIOS Configuration

4-3

ROM PCI / ISA BIOS

CMOS SETUP UT ILIT Y

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PCI CONFIGURATION SETUP

LOAD SETUP DEFAULTS

PASSWORD SETTING

IDE HDD AUTO DET ECTION

SAVE & EXIT SETUP

EXIT WITHOUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift)F2

: Select Item
: Chang Color

Time, Date, Hard Disk T ype, ...

POWER MANAGEMENT SETUP

Figure 4.1: Main Menu

•

Standard CMOS setup

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

•

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.

GA-586ATS

4-4

•

Power management setup

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

•

PCI configuration setup

This setup page includes all the configurations of PCI slots parameters.

•

Load setup defaults

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

•

Password setting

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

•

IDE HDD auto detection

Automatically configure hard disk parameter.

•

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.

BIOS Configuration

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 : All Errors

: EGA/VGA

: None

Slave

HEAD PRECOMP LANDZ SECTOR

0000 0

Base Memory:

Other Memory:

Expanded Memory:

Extended Memory:

Total Memory:

7168 K

640 K

0 K

384 K

8192 K

PU/PD/+/- : Modify

: Mon, Feb 7 1994
: 10 : 45 : 38

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.

GA-586ATS

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 user­definable 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.

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.

•

Floppy 3 Mode Support (for Janpan 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

BIOS Configuration

4-7

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

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

GA-586ATS

4-8

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

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 SOFTWARE, INC.

: Select Item

Virus Warning
CPU Internal Cache
External 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
F6
F7 : Load Setup Defaults

: Quit
: Help
: Old Values
: Load BIOS Defaults

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

Figure 4.3: BIOS Features Setup

•

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

BIOS Configuration

4-9

the mean time, you can run anti-virus program to locate the problem.
Default value is Disabled.

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

Disabled

Disable cache

•

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). 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

•

Swap Floppy Drive

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

GA-586ATS

4-10

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.

•

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

•

PCI/VGA Palette Snoop

The default value are Disabled.

Enabled

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

Disabled

For VGA Card only.

BIOS Configuration

4-11

4.7. CHIPSET FEATURES SETUP

ROM PCI / ISA BIOS

CHIPSET FEAT URES SETUP

AWARD SOFTWARE, INC.

: Select ItemESC
F1
F5
F6
F7 : Load Setup Defaults

: Quit
: Help
: Old Values
: Load BIOS Defaults

PU/PD/+/­(Shift)F2

: Modify
: Color

DRAM W rite Burst Timing

: 1DRAM P recharge Wait State
DRAM W ait State
DRAM Read Burst T iming

Memory Hole At 15M-16M

: 1

: x3333

: x3333

: Disabled

PCI Bursting
Onboard FDC Controller

Onboard Parallel Mode

Onboard Parallel Port

Onboard Serial Port A
Onboard Serial Port B

: Enabled
: Enabled

: SPP

: 378H/IRQ7

: COM1/3F8
: COM2/2F8

IDE HDD Block Mode : Enabled
IDE Primary Master PIO : Auto
IDE Primary Slave PIO : Auto
IDE Secondary Master PIO : Auto
IDE Secondary Slave PIO : Auto
On-Board Primary PCI IDE
On-Board Secondar PCI IDE

: Enabled

: Enabled
PCI Slot IDE 2nd Channel : Enabled

Figure 4.4: Chipset Features Setup

•

DRAM Precharge Wait State

The default value is 1.

0

0 Wait State, for 60~70ns DRAM.

1

1 Wait State, for 70ns DRAM.

•

DRAM Wait State

The default value is 1.

0

0 Wait State, for 60~70ns DRAM.

1

1 Wait State, for 70ns DRAM.

•

DRAM Read Burst Timing

The default value is X3333.

X2222

2 Burst Wait State, for 60~70ns DRAM.

X3333

3 Burst Wait State, for 70ns DRAM.

•

DRAM Write Burst Timing

GA-586ATS

4-12

The default value is X3333.

X2222

2 Burst Wait State, for 60~70ns DRAM.

X3333

3 Burst Wait State, for 70ns DRAM.

•

Memory Hole At 15M-16M

The default value is Disabled.

Disabled

Normal Setting.

Enabled

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

•

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.

•

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-Board Primary IDE

The default value is Enabled.

BIOS Configuration

4-13

Enabled

Enable onboard 1st channel IDE port.

Disabled

Disable onboard 1st channel IDE port.

•

On-Board Secondary 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

•

PCI Bursting

The default value is Enabled.

Enabled

Enable PCI BUS Bursting Access.

Disabled

Disable PCI BUS Bursting Access.

•

Onboard FDC Controller

The default value is Enabled.

Enabled

Enable onboard FDD port.

Disabled

Disable onboard FDD port.

•

Onboard Serial Port A

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.

GA-586ATS

4-14

•

Onboard Serial Port B

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 378H/IRQ7.

378H

Enable onboard LPT port and address is 378H/IRQ7.

278H

Enable onboard LPT port and address is 278H/IRQ5.

Disabled

Disable onboard LPT port.

3BCH

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

•

Onboard Parallel Mode

The default value is Normal.

SPP

Using Parallel port as Normal Printer Port.

EPP

Using Parallel port as Enhanced Parallel Port.

ECP

Using Parallel port as Extended Capabilities Port.

ECP+EPP

Using Parallel port as ECP & EPP mode.

BIOS Configuration

4-15

4.8. POWER MANAGEMENT SETUP

ROM PCI / ISA BIOS

POWER MANAGEMENT SETUP

AWARD SOFTWARE, INC.

: Select ItemESC
F1
F5
F6
F7 : Load Setup Defaults

: Quit
: Help
: Old Values
: Load BIOS Defaults

PU/PD/+/­(Shift)F2

: Modify
: Color

Standby Mode

Power Management

HDD P ower Down

PM Control by APM

: Disabled

Video Off Method

: Enabled
: No
: DPMS

Suspend Mode : Disabled

: Disabled

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

Power Down Activities
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
: OFF

IRQ8 (RTC Alarm) : OFF

: 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 No.

Yes

Enable software APM function.

No

Disable software APM function.

GA-586ATS

4-16

•

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 Support

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 ( 3,4,5,6,7,8,9,10,11,12,14,15 )

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.

BIOS Configuration

4-17

4.9. PCI SLOT CONFIGURATION

ROM PCI / ISA BIOS

PCI SLOT CONFGURAT ION

AWARD SOFTWARE, INC.

: Select ItemESC
F1
F5
F6
F7 : Load Setup Defaults

: Quit
: Help
: Old Values
: Load BIOS Defaults

PU/PD/+/­(Shift)F2

: Modify
: Color

1st Available IRQ

PnP BIOS Auto-Config

PCI / IDE IRQ Map T o. : ISA

: 9

: Disable
: 10

: 112nd Available IRQ
3rd Available IRQ
4th Available IRQ : 5

Figure 4.6: PCI Slot Configuration

•

PnP BIOS Auto-Config

The default value is Disabled.

Disabled

BIOS only set up the IRQ for PnP device Automatically, not
including PCI device.

Enabled

BIOS will set up the IRQ for PnP device and PCI device
Automatically.

WARNING: When this item is Enabled, the PnP function will fully

function. If system has non-PnP ISA device, the user must
use ICU to define the IRQ that any ISA device should
have, otherwise the BIOS may set a IRQ for PnP/PCI
device which would conflict with ISA device.

•

Available IRQ

The default value is shown on the above table. These available IRQs are
Mapped to be PCI INT# A~D by BIOS for PCI device automatically. If some
one IRQ is used by ISA device then the user must keep the IRQ out of the
available table. These items are available only when PnP BIOS Auto­Config is disabled

•

PCI IDE IRQ Map To: ISA

GA-586ATS

4-18

ISA

For PCI IDE card using paddle card to connect ISA IRQ or
using onboard IDE controller.

4.10. LOAD SETUP DEFAULTS

ROM PCI / ISA BIOS

LOAD SETUP DEFAULTS

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PCI CONFIGURATION

LOAD SETUP DEFAULTS

PASSWORD SETTING

SAVE & EXIT SETUP

OUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift )F2

: Select Item

: Chang Color

Load SETUP Defaults (Y/N)? N

Load SETUP Defaults except Standard CMOS SETUP

IDE HDD AUT O DET ECTION

POWER MANAGE

Figure 4.7: 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.

BIOS Configuration

4-19

4.11. PASSWORD SETTING

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

PASSWORD SETTING

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PCI CONFIGURATION

LOAD SETUP DEFAULTS

PASSWORD SETTING

SAVE & EXIT SETUP

OUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift )F2

: Select Item

: Chang Color

Enter Password:

Change / Set / Disable Password

IDE HDD AUT O DET ECTION

POWER MANAGE

Figure 4.8: 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
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.

GA-586ATS

4-20

4.12. 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 P RECOMP 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 4.9: IDE 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.

BIOS Configuration

4-21

4.13. SAVE & EXIT SETUP

ROM PCI / ISA BIOS

SAVE & EXIT SETUP

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PCI CONFIGURATION

LOAD SETUP DEFAULTS

PASSWORD SETTING

SAVE & EXIT SETUP

OUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift )F2

: Select Item

: Chang Color

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

Save Data to CMOS & Exit SETUP

IDE HDD AUT O DET ECTION

POWER MANAGE

Figure 4.10: 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.

GA-586ATS

4-22

4.14. EXIT WITHOUT SAVING

ROM PCI / ISA BIOS

EXIT WIT HOUT SAVING

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEAT URES SETUP

CHIPSET FEATURES SETUP

PCI CONFIGURATION

LOAD SETUP DEFAULTS

PASSWORD SETTING

SAVE & EXIT SETUP

OUT SAVING

ESC
F10

: Quit
: Save & Exit Setup (Shift )F2

: Select Item

: Chang Color

Quit Wit hout Saving (Y/N)? N

Abandon all Datas & Exit SETUP

IDE HDD AUT O DET ECTION

POWER MANAGE

Figure 4.11: Exit Without Saving

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

Type "N" will return to Setup Utility.

AT Technical Information

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

GA-586ATS

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

AT Technical Information

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

GA-586ATS

5-4

5.4. INTERRUPT MAP

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 Available

13 MATH coprocessor

14 HARD DISK adapter

15 Available

AT Technical Information

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

GA-586ATS

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.

Appendix A: Post Message

A-2



DISPLAY SWITCH IS SET INCORRECTLY

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.

GA-586ATS

A-3



FLOPPY DISK CNTRLR ERROR OR NO CNTRLR PRESENT

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.

Appendix A: Post Message

A-4



Memory Verify Error at ...

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.

GA-586ATS

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.

Appendix B: Post Codes

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.

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.

GA-586ATS

B-2

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.

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.

Appendix B: Post Codes

B-3

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

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.

GA-586ATS

B-4

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

Appendix C: BIOS Default Drive Table

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

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

GA-586ATS

C-2

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

Appendix D: Problem Sheet

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-02-02-060701

Appendix D: Problem Sheet

D-2