Gigabyte GA-586IM User Manual

GA - 586IM

USER'S MANUAL

PCI - EISA SOLUTION

PENTIUM PCI - EISA BUS MAINBOARD

REV. 1 FIRST EDITION

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.

December 15, 1993 Taipei, Taiwan

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2

Table of Contents

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TABLE OF CONTENTS

1. INTRODUCTION .........................................................................................5

1.1. PREFACE...........................................................................................5

1.2. KEY FEATURES................................................................................5

1.3. PERFORMANCE LIST.......................................................................6

1.4. BLOCK DIAGRAM.............................................................................. 7

1.5. INTRODUCE THE PCI - BUS.............................................................8

2. SPECIFICATION .........................................................................................9

2.1. HARDWARE ......................................................................................9

2.2. SOFTWARE.......................................................................................9

2.3. ENVIRONMENT................................................................................. 10

3. HARDWARE INSTALLATION .....................................................................11

3.1. UNPACKING......................................................................................11

3.2. MAINBOARD LAYOUT.......................................................................12

3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS.................13

3.4. DRAM INSTALLATION ...................................................................... 14

3.5. SRAM INSTALLATION AND JUMPERS SETUP ...............................15

3.6. CPU INSTALLATION AND JUMPERS SETUP..................................16

3.7. CMOS RTC & EISA CFG CMOS SRAM ............................................ 17

3.8. SPEAKER CONNECTOR INSTALLATION........................................17

3.9. POWER LED & KEY LOCK CONNECTOR INSTALLATION.............17

3.10. TURBO SWITCH CONNECTOR INSTALLATION.............................17

3.11. TURBO LED CONNECTOR INSTALLATION .................................... 18

3.12. HARDWARE RESET SWITCH CONNECTOR INSTALLATION........19

3.13. PERIPHERAL DEVICE INSTALLATION............................................19

4. BIOS CONFIGURATION............................................................................. 20

4.1. ENTERING SETUP............................................................................ 20

4.2. CONTROL KEYS ...............................................................................20

4.3. GETTING HELP.................................................................................21

4.3.1. Main Menu................................................................................... 21

4.3.2. Status Page Setup Menu / Option Page Setup Menu.................. 21

4.4. THE MAIN MENU...............................................................................21

4.5. STANDARD CMOS SETUP MENU....................................................23

4.6. BIOS FEATURES SETUP..................................................................27

4.7. CHIPSET FEATURES SETUP........................................................... 30

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4.8. PCI SLOT CONFIGURATION............................................................ 32

4.9. LOAD SETUP DEFAULTS.................................................................34

4.10. PASSWORD SETTING......................................................................34

4.11. IDE HDD AUTO DETECTION............................................................36

4.12. SAVE & EXIT SETUP.........................................................................36

4.13. EXIT WITHOUT SAVING................................................................... 37

4.14. KEYBOARD SETTING FUNCTION....................................................37

4.15. EISA CONFIGURATION UTILITY......................................................37

5. AT TECHNICAL INFORMATION.................................................................39

5.1. I/O BUS CONNECTOR PIN OUT.......................................................39

5.1.1. ISA SLOT PIN OUT.....................................................................39

5.1.2. EISA SLOT PIN OUT...................................................................40

5.1.3. PCI - BUS SLOT PIN OUT .......................................................... 41

5.2. I/O & MEMORY MAP..........................................................................42

5.3. TIMER & DMA CHANNELS MAP....................................................... 43

5.4. INTERRUPT MAP.............................................................................. 43

5.5. RTC & CMOS RAM MAP ................................................................... 44

APPENDIX A: POST MESSAGE.......................................................................45

APPENDIX B: POST CODES ........................................................................... 50

APPENDIX C: BIOS DEFAULT DRIVE TABLE................................................. 53

APPENDIX D: PROBLEM SHEET ....................................................................55

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4

Introduction

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1 INTRODUCTION

1.1 PREFACE

Welcome to use the GA - 586IM motherboard. The motherboard is a 256 / 512
KB CACHE PENTIUM CPU based PC/AT compatible system with EISA 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

q Pentium based PC/AT compatible mainboard with PCI - EISA Bus.
q 3 SLAVE/MASTER PCI Bus slots, 5 EISA Bus slots.
q Supports Pentium/P5T running at 60/66 MHz.
q Supports true 64 bit CACHE and DRAM access mode.
q Supports 273 Pin (Socket 4) ZIF WHITE socket on board.
q Supports 256 / 512 KB 2nd cache memory.
q CPU WRITE-BACK cache operation.
q Supports 2 - 192 MB DRAM memory on board.
q Supports shadow RAM for BIOS & VIDEO BIOS.
q Supports shadow RAM cacheable function to improve performance.
q Supports H/W & S/W speed change function.
q Licensed AWARD BIOS.
q RTC and 8 KB EISA configuration memory.
q BABY AT size, 6 layers PCB.

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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
H/W & S/W configuration will result in different benchmark testing results.)

• CPU : Pentium 60/66 MHz

• DRAM : 16 MB - 70 ns

• CACHE SIZE : 256K

• DISPLAY : ATi MACH 32 PCI VGA

• STORAGE : GA - 410 PCI - Bus SCSI

• O. S. : MS DOS V6.2

Testing Program Item Unit 66 MHz 60 MHz

LandMark V1.14 CPU Speed MHz
LandMark V2.0 CPU Speed MHz

FPU Speed MHz
SI V7.0 CPU Index
BYTE V2.1 CPU Sieve

CPU Sort

CPU Int. Math

FPU Fmath

FPU Fourier
BENCHMARK V7.01 Processor Harmonic

Memory Harmonic
PM V1.7 MIPS MIPS

DhryStone K-Dstone/s

WhetStone K-Wstone/s

200+ 200+

384.88 346.50

1132.35 1019.43

211.2 190.1

448.36 403.49

33.12 29.81

1239724.23 1116158.87

1149044.65 1034650.97

15.22 13.70

28590.99 25722.52

7508.90 6758.38

44.8 40.6

57.4 51.5

13148.9 11756.6

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6

Introduction

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1.4 BLOCK DIAGRAM

Y2 Y3

60 MHz 14.318 MHz

HOST BUS PCI BUS EISA BUS EISA SLOT

CPU
Pentium
P5T

CACHE

SRAM

Data

Address

Control

Clock A

Clock B

Control Data Address

PCMC PCEB

82434LX

Clock

LBX

82433LX

Address/Data

Clock E

Clock D

LBX

Control

Clock C

82375EB

ESC

82374EB

PCI SLOT

#1 #2 #3

Address

Data

#1 #4#2 #3 #1"

8 MHz Clock

Control

8042

DRAM

BIOS

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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.

• FEATURES

q 32 bits bus transfer mode.
q Bus Master or Slave access.
q Memory burst transfer to 132 MB/sec.
q 33 MHz operation speed.
q 10 device loading ability.
q CPU independent.

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6

Specification

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2 SPECIFICATION

2.1 HARDWARE

• CPU - Pentium 60 / 66 MHz, P5T.

- 273 Pin (Socket 4) ZIF WHITE socket on board.

• COPROCESSOR - Included in Pentium.

• SPEED - 60 / 66 MHz system and 30 /33 PCI - Bus speed.

- 7.5 / 8 MHz AT Bus speed.

- H / W and S / W speed switchable function(cache or
non-cache).

• DRAM MEMORY - 3 double banks 72 pins SIMM MODULE sockets on
board.

- Use 1 / 2 / 4 / 8 / 16 / 32 MB 70 ns SIMM module
DRAM.

- 2 - 192 MB DRAM size.

- Support FAST PAGE DRAM access mode.

• CACHE MEMORY - 16 KB cache memory included in Pentium.

- 256 / 512 KB 2nd cache memory on board.

- Support Pentium BURST Read/Write mode on 2nd
cache memory access.

• SHADOW RAM - Main BIOS shadow function

- Video BIOS shadow function programmable.

- Shadow RAM cacheable function programmable.

• I/O BUS SLOTS - 3 SLAVE/MASTER PCI - Bus.

- 5 EISA Bus (4 Master).

• DIMENSION - BABY AT size.

2.2 SOFTWARE

• BIOS - Licensed AWARD BIOS.

- AT CMOS SETUP, BIOS / CHIPSET SETUP,
and HARD DISK utility included.

• OS. - Operation with MS-DOS, WINDOWS NT, OS/2,

NOVELL, SCO UNIX.

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2.3 ENVIRONMENT

AMBIENT TEMP. - 0 to +50 C ( operating )
RELATIVE HUM. - 0 to +85% ( operating )
ALTITUDE - 0 to 10,000 feet ( operating )
VIBRATION - 0 to 1000 Hz
ELECTRICITY - 4.9V to 5.2V

- 5A to 7A current

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10

Hardware Installation

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3 HARDWARE INSTALLATION

3.1 UNPACKING

The mainboard package should contain the following:

• The GA-586IM mainboard.

• USER'S MANUAL.

• EISA CFG. diskette.

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.

M

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

You are now ready to install your maniboard. 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.

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3.2 MAINBOARD LAYOUT

Version 1:

Speaker

11J11

Turbo-LED

1

J13

Turbo-SW

1

J12

KB

Lock

1

J10

1

J7

J14

FanPower

+12V

RTC SRAM

bq4287 27C010

512K
256K

CPU

Pentium

P5T

SOCKET 4

6264

66 MHz
60 MHz

J8

1

J17

1

Y3

Y2

PCMC PCEB

82434 82375

BIOS

ESC

82374

EISA SLOT 1

EISA SLOT 2

EISA SLOT 3

EISA SLOT 4

EISA SLOT 1"

PCI SLOT 3

PCI SLOT 2

PCI SLOT 1

POWER CON.

INT:

KBD

BIOS

Y1

ABCDReset

11 11

J18 - J21

J1

Second Cache

Version 2

Speaker

11J11

Turbo-LED

1

J13

Turbo-SW

1

J12

KB

Lock

1

J10
Reset

1

J7

J14

FanPower

+12V

Second Cache

32K8 x 8

RTC SRAM

bq4287 27C010

512K
256K

CPU

Pentium

P5T

SOCKET 4

32K8 x 8

6264

66 MHz
60 MHz

J8

1

LBX LBX

82433 82433

J17

1

Y3

Y2

PCMC PCEB

82434 82375

LBX LBX

82433 82433

BIOS

ESC

82374

BANK 0

72 PIN SIMM MODULE

BANK 1

72 PIN SIMM MODULE

EISA SLOT 1

EISA SLOT 2

EISA SLOT 3

EISA SLOT 4

EISA SLOT 1"

PCI SLOT 3

PCI SLOT 2

PCI SLOT 1

POWER CON.

BANK 0

72 PIN SIMM MODULE

BANK 1

72 PIN SIMM MODULE

BANK 2

72 PIN SIMM MODULE

INT:

KB1

KBD

CON.

KBD

BIOS

Y1

ABCD

11 11

J18 - J21

J1

KB1

KBD

CON.

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Hardware Installation

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3.3 QUICK REFERENCE FOR JUMPERS & CONNECTORS

t J1: Power Connector

1 Power Good Signal
2,10,11,12 VCC (+5V)
3 +12V
4 -12V
5,6,7,8 GND
9 -5V

t J7: Reset Connector

"Open" for normal operation
"Close" for hardware reset system

t J8: 2nd Cache Size Selection

"Close" pin 1-2 for 256 KB cache size
"Close" pin 2-3 for 512 KB cache size

t J10: Power LED and KeyLock Connector

1 LED anode (+)
2 NC
3 LED cathode (-)
4 KeyLock
5 GND

t J11: Speaker Connector

1 Data
2 NC
3 GND
4 VCC (+5V)

t J12: Turbo Switch Connector

"Close" pin 2-3 for high speed
"Close: pin 1-2 for low speed (Non-cache)

t J13: Turbo LED Connector

1 LED cathode (-)
2 LED anode (+)

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t J14: CPU Cooling Fan Power Connector

1 +12V
2 GND

t J17: System Speed Selection

"Close" pin 1-2 for 60 MHz system speed
"Close" pin 2-3 for 66 MHz system speed

t J18 - J21: PCI Device Interrupt (IRQ) Selection

"Close" J18 enable PCI INT-A connect to ISA IRQ-9
"Close" J19 enable PCI INT-B connect to ISA IRQ-10
"Close" J20 enable PCI INT-C connect to ISA IRQ-11
"Close" J21 enable PCI INT-D connect to ISA IRQ-14

3.4 DRAM INSTALLATION

The mainboard can be installed with 1 / 2 / 4 / 8 / 16 / 32 MB 72 pins SIMM
module DRAM, and the DRAM speed must be 70 ns. The DRAM memory system
on mainboard consists of bank 0, 1 & bank 2. The DRAM of any bank can be
installed first. 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 2 - 192 MB, and various configuration
of DRAM types in the following TABLE are available:

Size Bnak 0 Bank 1 Bank 2
2 MB 1 MB x 2 None None
4 MB 1 MB x 2 1 MB x 2 None
4 MB 2 MB x 2 None None
6 MB 1 MB x 2 1 MB x 2 1 MB x 2
8 MB 2 MB x 2 2 MB x 2 None
8 MB 4 MB x 2 None None
12 MB 2 MB x 2 2 MB x 2 2 MB x 2
12 MB 4 MB x 2 2 MB x 2 None
16 MB 4 MB x 2 2 MB x 2 2 MB x 2
16 MB 4 MB x 2 4 MB x 2 None
16 MB 8 MB x 2 None None
20 MB 4 MB x 2 4 MB x 2 2 MB x 2
20 MB 8 MB x 2 2 MB x 2 None
24 MB 4 MB x 2 4 MB x 2 4 MB x 2

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Hardware Installation

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24 MB 8 MB x 2 2 MB x 2 2 MB x 2
24 MB 8 MB x 2 4 MB x 2 None
32 MB 16 MB x 2 None None
32 MB 8 MB x 2 8 MB x 2 None
32 MB 8 MB x 2 4 MB x 2 4 MB x 2
48 MB 16 MB x 2 8 MB x 2 None
48 MB 16 MB x 2 4 MB x2 4 MB x 2
48 MB 8 MB x 2 8 MB x 2 8 MB x 2
64 MB 32 MB x 2 None None
64 MB 16 MB x 2 16 MB x 2 None
64 MB 16 MB x 2 8 MB x 2 8 MB x 2
96 MB 32 MB x 2 16 MB x 2 None
96 MB 32 MB x 2 8 MB x 2 8 MB x 2
96 MB 16 MB x 2 16 MB x 2 16 MB x 2
128 MB 32 MB x 2 32 MB x 2 None
128 MB 32 MB x 2 16 MB x 2 16 MB x 2
192 MB 32 MB x 2 32 MB x 2 32 MB x 2

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

The cache memory system consists of SRAM, the SRAM type is 32Kx8-15/20 ns,
64Kx8-15/20 ns or 128Kx8-15/20 ns.

The mainboard can be installed 256 KB or 512 KB cache memory when using
32Kx8 or 64Kx8 (128Kx8) type DATA SRAM separately. Please refer to the
following table to install cache memory system :

SIZE TYPE J8
256 KB 32 K x 8 1 - 2
512 KB 64 K x 8 or 128 K x 8 2 - 3

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Because there are not standard IC's coding number of SRAM, refer to the
following table to identify the SRAM component:

32 K x 8 64 K x 8 128 K x 8
W24257AK-15/20 W24512AK-15/20 W241024AK-15/20
UM61256-15/20 AS7C512-15/20 AS7C1024-15/20
AS7C256-15/20
CY7C199-20
MCM6206-20
KM68257BP-20
TC555328P-20

3.6 CPU INSTALLATION AND JUMPERS SETUP

The system's speed depends on the frequency of CLOCK GENERATOR. The
user can change the JUMPER (J17) selection to set up the system speed to 60
MHz or 66 MHz for 60 or 66 MHz PENTIUM CPU.

The mainboard can use PENTIUM or P5T 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.

J17 CPU Type CLK. GEN. Speed CPU Speed

1-2 PENTIUM - 60 60 MHz 60 MHz
2-3 PENTIUM - 66 66.667 MHz 66.667 MHz

M

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.

M

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!

M

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.

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Hardware Installation

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3.7 CMOS RTC & EISA 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 EISA device system configuration, so the
system can automatically boot OS. every time.

Due to the life-time of RTC internal battery is 10 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 J11 is used to connect speaker. The speaker can work well in both
direction of connector when it is installed to the connector J11 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 J10 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.

Because a PENTIUM cannot accept real clock speed change when program is
executed, so the mainboard uses simulation method to implement TURBO
switching function. The J12 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

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disable the turbo function of system.

F

If not necessary, please don't use De-turbo mode. (always keep system
in Turbo mode)

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 J13 in correct direction.

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16

Hardware Installation

________________________________________________________________

3.12 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 J7 on mainboard.

3.13 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 control interface card.

If the PCI - Bus device is to be installed in the system, any one of three 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.

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GA-586IM

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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 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

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

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BIOS Configuration

______________________________________________________________________________

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 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.

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GA-586IM

ROM EISA BIOS ( 2B597G00 )

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Figure 1: Main Menu

CMOS SETUP UTILITY

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEATURES SETUP

CHIPSET FEATURES SETUP

PCI SLOT CONFIGURATION

LOAD SETUP DEFAULTS

ESC

: Save & Exit Setup

F10 : Quit

Time, Date, Hard Disk Type, ...

PASSWORD SETTING

IDE HDD AUTO DETECTION

SAVE & EXIT SETUP

EXIT WITHOUT SAVING

: Select Item

(Shift)F2

: Chang Color

• 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.

• PCI slot configuration

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 maximum performance.

• Password setting

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

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38

BIOS Configuration

ROM EISA BIOS ( 2B597G00 )

______________________________________________________________________________

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 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.

Figure 2: Standard CMOS Setup Menu

STANDARD CMOS SETUP

AWARD SOFTWARE, INC.

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

Drive C

Drive A
Drive B

Video

Halt On : All Errors

: 1 (10Mb)
: None (0 Mb)Drive D

: 1.44 M 3.5 in.
: 1.2 M, 5.25 in.

: EGA/VGA

: Tue, Dec 7 1993
: 18 : 1 : 38

CYLS. HEADS PRECOMP LANDZONE SECTORS

306 4 128 305 17

Base Memory:

Extended Memory:

Expanded Memory:

Other Memory:

Total Memory:

0000 0

640 K

7168 K

0 K

384 K

8192 K

ESCF1: Quit

: Help (Shift)F2

________________________________________________________________

: Select Item

: Chang Color

27

PU/PD/+/- : Modify
F3 : Taggle Calender

GA-586IM

______________________________________________________________________________

• 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.

• Drive C type / Drive D type

The category identify the types of hard disk drive C or drive D that has
been installed in the computer. There are 46 predefined types and a
user definable type. Type 1 to Type 46 are predefined. Type User is
user-definable.

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 precom
LANDZONE landing zone
SECTORS number of sectors

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

________________________________________________________________

38

BIOS Configuration

______________________________________________________________________________

• 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.

1.2M, 5.25
in.
720K, 3.5 in. 3-1/2 inch double-sided drive; 720 kilobyte capacity

1.44M, 3.5
in.

2.88M, 3.5
in.

5-1/4 inch PC-type standard drive; 360 kilobyte
capacity
5-1/4 inch AT-type high-density drive; 1.2 megabyte
capacity

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

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

• 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 Whenever the BIOS detects a non-fatal error the

system will be stopped and you will be prompted

All errors The system boot will not be stopped for any error

that may be detected
All,
But Keyboard
All, But

Diskette

All, But

Disk/Key

The system boot will not stop for a keyboard error;

it will stop for all other errors

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

will stop for all other errors

The system boot will not stop for a keyboard or disk

error; it will stop for all other errors

________________________________________________________________

27

GA-586IM

______________________________________________________________________________

• 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

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.

________________________________________________________________

38

BIOS Configuration

ROM EISA BIOS ( 2B597G00 )

______________________________________________________________________________

4.6 BIOS FEATURES SETUP

BIOS FEATURES SETUP

AWARD SOFTWARE, INC.

Virus Warning
CPU Internal Cache
External Cache
Quick Power On Self Test : Disabled
Boot Sequence
Swap Floppy Drive : Disabled
Boot Up Floppy Seek
Boot Up NumLock Status
IDE HDD Block Mode
Security Option

: Enabled
: Enabled
: Enabled

: A, C

: Enabled

: Enabled
: Setup

Video BIOS Shadow
C8000 - CBFFF Shadow
CC000 - CFFFF Shadow
D0000 - D3FFF Shadow
D4000 - D7FFF Shadow
D8000 - DBFFF Shadow
DC000 - DFFFF Shadow: On

ESC

: Quit

F1

: Help

F5

: Old Values

F6

: Load BIOS Defaults

F7 : Load Setup Defaults

: Enabled
: Disabled
: Disabled
: Disabled
: Disabled
: Disabled
: Disabled

PU/PD/+/­(Shift)F2

: Select Item
: Modify
: Color

• 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 run can anti-virus program to locate
the problem. Default value is Enabled.

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

________________________________________________________________

27

GA-586IM

______________________________________________________________________________

• 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 Disabled.

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

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

________________________________________________________________

38

BIOS Configuration

______________________________________________________________________________

• Boot Up NumLock Status

The default value is On

On Keypad is number keys
Off Keypad is arrow keys

• IDE HDD Block Mode

The default value is Enabled.

Enabled Enable IDE HDD Block Mode
Disabled Disable IDE HDD Block Mode

• 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

M

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 be copied to RAM, however, it is
optional from chipset design. Video Shadow will increase the video speed.
The default value is Enabled.

Enabled Video shadow is enabled
Disabled Video shadow is disabled

________________________________________________________________

27

GA-586IM

ROM EISA BIOS ( 2B597G00 )

______________________________________________________________________________

• C8000 - CBFFF Shadow / DC000 - 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

CHIPSET FEATURES SETUP

AWARD SOFTWARE, INC.

DRAM Write Timing
CPU To PCI Write Buffer
PCI Memory Burst Write
System BIOS Cacheable : Disabled
Video BIOS Cacheable
Memory Hole Start Address
Memory Hole Size
NCR 810 SCSI Controller

: 0 Wait
: Enabled
: Enabled

: Enabled
: 15 MB
: Disabled
: Disabled

• DRAM Write Timing

The default value is 0 Wait.

ESC

: Quit

F1

: Help

F5

: Old Values

F6

: Load BIOS Defaults

F7 : Load Setup Defaults

PU/PD/+/­(Shift)F2

: Select Item
: Modify
: Color

0 Wait For 70 ns DRAM.
1 Wait For 70 - 80 ns DRAM.

• CPU To PCI Write Buffer

The default value is Enabled.

Enabled Enhanced PCI performance.
Disabled For some slower PCI device.

________________________________________________________________

38

BIOS Configuration

______________________________________________________________________________

• PCI Memory Burst Write

The default value is Enabled.

Enabled Enhanced Master PCI device performance.
Disabled For some slower PCI device.

• System BIOS Cacheable

The default value is Disabled.

Enabled Enable BIOS shadowed cacheable.
Disabled BIOS shadowed only.

• Video BIOS Cacheable

The default value is Enabled.

Enabled Enable Video BIOS shadowed cacheable.
Disabled Video BIOS shadowsed only.

• Memory Hole Start Address

A memory space reserved for ISA/EISA bus, it starting address is from 1
MB - 15 MB and ending address is 16 MB. The default value is 15 MB.

• Memory Hole Size

The default value is Disabled.

Enabled For some linear address VGA/Video card on ISA/EISA bus can

run a large frame port (not like standard VGA only access
A0000 - BFFFF). The size = 16 MB - [starting address]

Disabled Disable this function.

• NCR 810 SCSI Controller

The default value is Disabled.

Enabled Enable NCR 810 PCI SCSI device.
Disabled Disable NCR 810 PCI SCSI device.

________________________________________________________________

27

GA-586IM

ROM EISA BIOS ( 2B597G00 )

______________________________________________________________________________

4.8 PCI SLOT CONFIGURATION

PCI SLOT CONFIGURATION

AWARD SOFTWARE, INC.

Slot 1 Location

Slot Using INT

Slot 2 Location

Slot Using INT

Slot 3 Location

Slot Using INT

: C3XX
: NA

: C4XX
: NA

: C5XX
: NA

: NAINT A Using IRQ

INT B Using IRQ

INT C Using IRQ

INT D Using IRQ

NCR Using IRQ : 9

: Quit

F1

: Help

F5

: Old Values

F6

: Load BIOS Defaults

F7 : Load Setup Defaults

: NA

: NA

: NA

PU/PD/+/­(Shift)F2

By Jumper

By Jumper

By Jumper

By Jumper

: Select ItemESC
: Modify
: Color

• Slot 1 / Slot 2 / Slot 3 Location

These indicate the slot address. The address of slot 1 is C3XX, slot 2
is C4XX and slot 3 is C5XX.

• Slot Using INT

This catagory select a INT for slot. There are four INT (A, B, C, and D)
can be selected for each PCI slot. This function is completed by Jumper
on PCI device card or card's booting BIOS setup, but user must resetup
here. The default value is NA.

• INT X Using IRQ

These catagories select a IRQ for INT X. There are twelve IRQ
selections (3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15 and NA) for each INT X.
This function in fact is completed by Jumper on board, but user must set
same value with Jumper's setting at here. The default value is NA.

• By Jumper

This catagory means the IRQ of INT X is selected by Jumper.

________________________________________________________________

38

BIOS Configuration

______________________________________________________________________________

• NCR SCSI Using IRQ

This catagory select a IRQ for NCR 810 PCI SCSI controller (GA-410).
There are fifteen IRQ selections (1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15 and NA) for GA-410. The default value is 9.

For example, There is a GA-710, PCI -- bus IDE controller, plugging on PCI slot
3 of GA-586IM mainboard. The INT and IRQ setting of GA-710 are INT D and
IRQ 14 and which are setted by Jumper on card & mainboard. The setting of PCI
Slot Configuration is looks like following:

ROM EISA BIOS ( 2B597G00 )

PCI SLOT CONFIGURATION

AWARD SOFTWARE, INC.

Slot 1 Location

Slot Using INT

Slot 2 Location

Slot Using INT

Slot 3 Location

Slot Using INT

: C3XX
: NA

: C4XX
: NA

: C5XX
: D

: NAINT A Using IRQ

INT B Using IRQ

INT C Using IRQ

INT D Using IRQ

NCR Using IRQ : 9

: Quit

F1

: Help

F5

: Old Values

F6

: Load BIOS Defaults

F7 : Load Setup Defaults

: NA

: NA

: 14

PU/PD/+/­(Shift)F2

By Jumper

By Jumper

By Jumper

By Jumper

: Select ItemESC
: Modify
: Color

________________________________________________________________

27

GA-586IM

ROM EISA BIOS ( 2B597G00 )

______________________________________________________________________________

4.9 LOAD SETUP DEFAULTS

CMOS SETUP UTILITY

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEATURES SETUP

CHIPSET FEATURES SETUP

PCI SLOT CONFIGUR

LOAD SETUP DEFAU

ESC

: Save & Exit Setup

F10 : Quit

Load SETUP Defaults except Standard CMOS SETUP

Load SETUP Defaults (Y/N)? N

PASSWORD SETTING

IDE HDD AUTO DETECTION

SAVE & EXIT SETUP

OUT SAVING

: Select Item

(Shift)F2

: Chang Color

• Load SETUP Defaults

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

M If there is any problem occured, loading SETUP DEFAULTS step is

recommanded.

4.10 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

________________________________________________________________

38

BIOS Configuration

______________________________________________________________________________

ROM EISA BIOS ( 2B597G00 )

CMOS SETUP UTILITY

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEATURES SETUP

CHIPSET FEATURES SETUP

PCI SLOT CONFIGUR

LOAD SETUP DEFAU

ESC

: Save & Exit Setup

F10 : Quit

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 Password:

Change / Set / Disabled Password

PASSWORD SETTING

IDE HDD AUTO DETECTION

SAVE & EXIT SETUP

OUT SAVING

: Select Item

(Shift)F2

: Chang Color

<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.

________________________________________________________________

27

GA-586IM

______________________________________________________________________________

4.11 IDE HDD AUTO DETECTION

ROM EISA BIOS ( 2B597G00 )

CMOS SETUP UTILITY

AWARD SOFTWARE, INC.

CYLS. HEAD PRECOMP LANDZONE SECTORS

Drive C: (202 Mb) 989 12 65535 989 35

Do you accept this drive C (Y/N)? N

ESC

: Skip

Type "Y" will accept the H.D.D. parameter reported by BIOS. Type "N" will
keep the old H.D.D. parameter setup.

4.12 SAVE & EXIT SETUP

ROM EISA BIOS ( 2B597G00 )

CMOS SETUP UTILITY

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEATURES SETUP

CHIPSET FEATURES SETUP

PCI SLOT CONFIGUR

LOAD SETUP DEFAU

ESC

: Save & Exit Setup

F10 : Quit

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

Save Data to CMOS & Exit SETUP

PASSWORD SETTING

IDE HDD AUTO DETECTION

SAVE & EXIT SETUP

OUT SAVING

(Shift)F2

: Select Item

: Chang Color

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

________________________________________________________________

38

BIOS Configuration

______________________________________________________________________________

4.13 EXIT WITHOUT SAVING

ROM EISA BIOS ( 2B597G00 )

CMOS SETUP UTILITY

AWARD SOFTWARE, INC.

STANDARD CMOS SETUP

BIOS FEATURES SETUP

CHIPSET FEATURES SETUP

PCI SLOT CONFIGUR

LOAD SETUP DEFAU

ESC

: Save & Exit Setup

F10 : Quit

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

Quit Without Saving (Y/N)? N

Abandom all Data & Exit SETUP

PASSWORD SETTING

IDE HDD AUTO DETECTION

SAVE & EXIT SETUP

OUT SAVING

(Shift)F2

: Select Item

: Chang Color

4.14 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 (Soft Reset).

"CTRL_ALT_[+]" - Pressing these keys simultaneously will change the system

speed to high speed (Turbo, all cache memory enable).

"CTRL_ALT_[-]" - Pressing these keys simultaneously will change the system

speed to low speed (Normal, disable cache memory).

4.15 EISA CONFIGURATION UTILITY

The Extended Industry Standard Architecture (EISA) Configuration Utility (ECU)
is a software utility for doing the system configuration. The advantage of using
this ECU is that helps the EISA system to generate its configuration settings
autometically without conflict and provides information to the user for the current
settings of switches.
To run ECU utility, insert the ECU diskette into floppy drive and then type

________________________________________________________________

27

GA-586IM

______________________________________________________________________________

CFG [Enter]
A ECU Setup Program will show on screen, following each step to complete the
ECU Setup.

________________________________________________________________

38

AT Technical Information

______________________________________________________________________________

5 AT TECHNICAL INFORMATION

5.1 I/O BUS CONNECTOR PIN OUT

5.1.1 ISA SLOT PIN OUT

B01

RESET

+5V

IRQ9

-5V

DRQ2

-12V

0WS
+12V
GND

-SMEMW

-SMEMR

-IOW

-IOR

-DACK3

-DRQ3

-DACK1

-DRQ1

-REFRESH
BCLK

IRQ7
IRQ6
IRQ5
IRQ4
IRQ3

-DACK2
T/C

BALE

+5V

OSC

GND

B02
B03
B04
B05
B06
B07
B08
B09
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31

A01
A02
A03
A04
A05
A06
A07
A08
A09
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31

-I/O CH CHKGND
SD07
SD06
SD05
SD04
SD03
SD02
SD01
SD00

-I/O CH RDY
AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA09
SA08
SA07
SA06
SA05
SA04
SA03
SA02
SA01
SA00

-MEMCS16

-I/OCS16
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14

-DACK0
DRQ0

-DACK5
DRQ5

-DACK6
DRQ6

-DACK7
DRQ7

+5V

-MASTER
GND

D01
D02
D03
D04
D05
D06
D07
D08
D09
D10
D11
D12
D13
D14
D15
D16
D17
D18

C01
C02
C03
C04
C05
C06
C07
C08
C09
C10
C11
C12
C13
C14
C15
C16
C17
C18

SBHE
LA23
LA22
LA21
LA20
LA19
LA18
LA17

-MEMR

-MEMW
SD08
SD09
SD10
SD11
SD12
SD13
SD14
SD15

________________________________________________________________

27

GA-586IM

______________________________________________________________________________

5.1.2 EISA SLOT PIN OUT

F01

GND

+5V
+5V

NC
NC

NC

NC
+12V
M-IO

-LOCK
NC

GND

NC

-EBE3

-EBE2

-EBE0
GND

+5V

-LA29
GND

-LA26

-LA24

F02
F03
F04
F05

F07
F08
F09
F10
F11
F12
F13
F14
F15

F17
F18
F19
F20
F21
F22
F23
F24

E01
E02
E03
E04
E05

E07
E08
E09
E10
E11
E12
E13
E14
E15

E17
E18
E19
E20
E21
E22
E23
E24

-CMD

-START
EXRDY

-EX32
GND

-EX16

-SLBURST

-MSBURST
W-R
GND

NC
NC
NC

GND

-EBE1

-LA31
GND

-LA30

-LA28

-LA27

-LA25
GND

LA8
LA6
LA5

VCC

LA2

SD16
SD18

GND
SD21
SD23
SD24

GND
SD27

SD29

+5V
+5V

-HMACK

H01

G01

H02

G02

H03

G03

H04

G04

H05

G05

H07

G07

H08

G08

H09

G09

H10

G10

H11

G11

H12

G12

H13

G13

H14

G14

H16

G16

H17

G17

H18

G18

H18 G18

LA7
GND
LA4
LA3
GND

SD17
SD19
SD20
SD22W
GND
SD25
SD26
SD28

GND
SD30
SD31

-HMERQX

LA16
LA14

+5V
+5V

GND

LA10

F26
F27
F28
F29
F30
F31

E26
E27
E28
E29
E30
E31

LA15
LA13
LA12
LA11
GND
LA9

________________________________________________________________

42

AT Technical Information

______________________________________________________________________________

5.1.3 PCI - BUS SLOT PIN OUT

________________________________________________________________

27

GA-586IM

______________________________________________________________________________

B01

A01

-12V
NC

GND

NC

VCC

VCC
INTB#
INTD#
PST#1

NC

PST#2

GND

GND

NC

GND

CLK

GND

REQ#

VCC

AD_31
AD_29

GND

AD_27
AD_25

NC
CBE#3
AD_23

GND
AD_21
AD_19

NC
AD_17
CEB#2

GND

IRDY#

NC

DEVSEL#

GND

LOCK#

PERR#

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

B02
B03
B04
B05
B06
B07
B08
B09
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
B44
B45
B46
B47
B48
B49

B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62 A62

A02
A03
A04
A05
A06
A07
A08
A09
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49

A52
A53
A54
A55
A56
A57
A58
A59
A60
A61

NC
+12V
NC
NC
VCC
INTA#
INTC#
VCC
NC
VCC
NC
GND
GND
NC
RST#
VCC
GNT#
GND
NC
AD_30
NC
AD_28
AD_26
GND
AD_24
IDSEL
NC
AD_22
AD_20
GND
AD_18
AD_16
NC
FRAME#
GND
TRDY#
GND
STOP#
NC
SDONE
SBO#
GND
PAR
AD_15
NC
AD_13
AD_11
GND
AD_09

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

5.2 I/O & MEMORY MAP

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42

AT Technical Information

______________________________________________________________________________

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.

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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

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

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42

AT Technical Information

______________________________________________________________________________

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 Reserve
2E-2F 2-byte CMOS RAM checksum
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

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GA-586IM

______________________________________________________________________________

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.

Ö CMOS BATTERY HAS FAILED

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

Ö 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.

Ö 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.

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46

Appendix A: POST Message

______________________________________________________________________________

Ö 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 reconfigure the drive type correctly.

Ö 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.

Ö 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.

Ö 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.

Ö EISA Configuration Is Not Complete

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

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

which allows you to run the EISA Configuration Utility.

Ö 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.

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Ö 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.

Ö 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.

Ö 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.

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

allows you to run the EISA Configuration Utility.

Ö 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.

Ö 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.

Ö 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.

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46

Appendix A: POST Message

______________________________________________________________________________

Ö MEMORY SIZE HAS CHANGED SINCE LAST BOOT

Memory has been added or removed since the last boot. In EISA mode
use Configuration Utility to reconfigure the memory configuration. In ISA
mode enter Setup and enter the new memory size in the memory fields.

Ö 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.

Ö 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.

Ö 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.

Ö 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.

Ö 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.

Ö RAM PARITY ERROR - CHECKING FOR SEGMENT ...

Indicates a parity error in Random Access Memory.

Ö 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.

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

allows you to run the EISA Configuration Utility.

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GA-586IM

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Ö 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.

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

allows you to run the EISA Configuration Utility.

Ö Slot Not Empty

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

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

allows you to run the EISA Configuration Utility.

Ö 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.

Ö Wrong Board In Slot

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

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

allows you to run the EISA Configuration Utility.

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46

Appendix B: POST Code

______________________________________________________________________________

APPENDIX B: POST CODES

F 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

1 Processor Test 1 Processor Status (1 FLAGS) Verification.

2 Processor Test 2 Read/Write/Verify all CPU registers except SS, SP, and BP
3 Initialize Chips Disable NMI, PIE, AIE, UEI, SQWV.

4 Test Memory

Refresh Toggle

5 Blank video, Initialize

keyboard
6 Reserved
7 Test CMOS Interface

and Battery Status
BE Chipset Default

Initialization
C1 Memory presence

test
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.

9 Early Cache

Initialization
A Setup Interrupt

Vector Table
B Test CMOS RAM

Checksum

OEM Specific-Cache control.

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.

with data pattern FF and 00.
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.
RAM must be periodically refreshed inorder to keep the
memory from decaying. This function assures that the memory
refresh function is working properly.
Keyboard controller initialization.

Verifies CMOS is working correctly, detects bad battery.
Program chipset registers with power on BIOS defaults.
OEM Specific-Test to size on-board memory.

Memory presence test.
OEM chip set routines.
Clear low 64 K of memory.
Test first 64 K memory.
Cyrix CPU initialization.
Cache initialization.
Initialize first 120 interrupt vectors with SPURIOUS_INT-HDLR
and initialize INT 00h-1Fh according to INT_TBL.
Test CMOS RAM Checksum, if bad, or insert key pressed,
load defaults.

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F

F

______________________________________________________________________________
C Initialize keyboard Detect type of keyboard controller (optional).

Set NUM_LOCK status.

D Initialize Video

Interface
E Test Video Memory Test video memory, write sign-on message to screen.
F Test DMA Controller0BIOS checksum test.
10 Test DMA Controller

1
11 Test DMA Page

registers
12-13 Reserved
14 Test Timer Counter 2 Test 8254 Timer 0 Counter 2.
15 Test 8259-1 Mask

Bits
16 Test 8259-2 Mask

Bits
17 Test Stuck 8259's

Interrupt Bits
18 Test 8259 Interrupt

Functionality
19 Test Stuck NMI Bits

(Parity/IO Check)
1A Display CPU clock.
1B-1E Reserved
1F Set EISA Mode If EISA non-volatile memory checksum is good, execute EISA

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
31 Test Base and

Extended Memory

32 Test EISA Extended

Memory

33-3B Reserved
3C Setup Enabled
3D Initialize & Install

Mouse
3E Setup Cache

Controller
3F Reserved
BF Chipset Initialization Program chipset registers with Setup values.
40 Display virus protest disable or enable.

Detect CPU clock.
Read CMOS location 14h to find out type of video in use.
Detect and Initialize Video Adapter.

Setup shadow RAM - Enable shadow according to Setup.
Keyboard detect and initialization.

Test DMA Page Registers.

Verify 8259 Channel 1 masked interrupts by alternately turning
off and on the interrupt lines.
Verify 8259 Channel 2 masked interrupts by alternately turning
off and on the interrupt lines.
Turn off interrupts then verify no interrupt mask register is on.

Force an interrupt and verify the interrupt occurred.
Verify NMI can be cleared.

initialization. If not, execute ISA tests an clear EISA mode
flag.
Test EISA Configuration Memory Integrity (checksum &
communication interface).

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

Detect if mouse is present, initialize mouse, install interrupt
vectors.
Initialize cache controller.

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50

Appendix B: POST Code

F

______________________________________________________________________________

41 Initialize Floppy

Drive & Controller

42 Initialize Hard Drive

& Controller

43 Detect & Initialize

Serial/Parallel Ports
44 Reserved
45 Detect & Initialize

Math Coprocessor
46 Reserved
47 Reserved
48-4D Reserved
4E Manufacturing POST

Loop or Display

Messages
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.

52 Initialize Option

ROMs
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.

B0 Spurious If interrupt occurs in protected mode.
B1 Unclaimed NMI If unmasked NMI occurs, display

E1-EF Setup Pages E1 - Page 1, E2 - Page 2, etc.
FF Boot

Initialize floppy disk drive controller and any drives.
Initialize hard drive controller and any drives.
Initialize any serial and parallel ports (also game port).

Initialize math coprocessor.

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.

Enable NMI, Enable cache before boot.
Initialize any option ROMs present from C8000h to EFFFFh.

When FSCAN option is enabled, will initialize from
C8000h to F7FFFh.

Boot via INT 19h.

Press F1 to disable NMI, F2 reboot.

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27

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______________________________________________________________________________

APPENDIX C: BIOS DEFAULT DRIVE TABLE

Type Size

(MB)

1 10 MB 306 4 17 128 305 TEAC SD510
2 20 MB 615 4 17 300 615 Seagate ST225,
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

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,

14 43 MB 733 7 17 65535 733
16 20 MB 612 4 17 0 663 Microscience HH725

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,

28 41 MB 699 7 17 256 699 Maxtor2190,
29 68 MB 823 10 17 65535 823 Maxtor1085
30 53 MB 918 7 17 918 918 Maxtor1105, 1120,
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

Cylinders Heads Sectors Write /

Precomp

Land
Zone

Example Model

MMI 112, 5412
ST4026

Tandon TM262

MMI M125

Syquest3250, 3425

Priam S14
Priam S19
Micropolis1325
4780

________________________________________________________________

54

Appendix C: BIOS Default Drive Table

______________________________________________________________________________

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

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27

GA-586IM

______________________________________________________________________________

APPENDIX D: PROBLEM SHEET

1. CUSTOMER DATA:

Name: Tel. No.:
Address: Fax. No.:

Purchase Date: / / (D/M/Y)

2. MAINBOARD DATA:

Model No.: GA - Rev. No.:
Serial No.:

3. SYSTEM CONFIGURATION:

CPU Type:
CPU Brand:
CPU Speed:
DRAM Type: r 1r 2 r 4r 8r 16 r 32 MB
DRAM Speed: r 80 r 70 r 60 ns
DRAM Total Size: MB
DRAM Brand:
SRAM Size: r 256 r 512 KB
SRAM Part No.: Tag:

Data :
Video Card:
Video Chip or Brand:
Floppy Driver A Capacity & Brand:
Floppy Driver B Capacity & Brand:
Storage Controller Type: r MFMr RLL r IDE r ESDI r SCSI
Hard Driver C Brand & Model:
Hard Driver D Brand & Model:
LAN Controller Type:
LAN Card Brand & Model:
Serial/Parallel Chip Brand & Model:
Mouse Brand & Model:
O.S.: r DOS r OS/2r NETWARE r UNIX/XENIX VER:

4. AUTOEXEC.BAT & CONFIG.SYS FILE:

5. PROBLEM DESCRIPTION:

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54