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OPERATION AND MAINTENANCE

Preface

THIS

PAGE

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INTENTIONALLY

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This
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Chapter

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Chapter

1

2

Specifica
Processor
Ma

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Coprocessor
Memory
I/O

Subsystem

System

3

Installing
Installing

System

Control
System
System

CONTENT

INTRODUCTION

GENERAL

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System

Functions

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capabilities

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board.

CHAPTER

INTRODUCTION

board

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FEATURES

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damage

INST

should

optimum
table
of

the

ALLING

The

below

the

the

match

80287.

Be

before

installation

80287.

If

80287

80287

speed

and

that

reliable

to

determine

ra

INST

sure

installing

sounds

you

or

your

MATH

tin g of

of

ALLING

to

turn

risky,

COMPONENTS

off

the

or

replacing

let

make a mistake,

computer.

COPROCESSOR

80287

the

operation.

the

Ma

system

correct

th

speed

CHAPTER

computer's

your

you

coprocessor

for

Refer

speed

any

dealer

could

to

the

rating

3

an

Hit
(Note
mode,
on

following

A-6

that

only

the

Upon

<DEL>

<DEL>

when

screen.)

your

message

EXIT
RUN
RUN

key

to

get

into

key

will

get

the

above

pressing

will

appear

FOR
CMOS
DIAGNOSTICS

of

BOOT

SETUP

message

the

you

on

the

Setup

into

is

<DEL>

the

screen:

Mode.

the

setup

displayed

key,

the

I

20MHz
16MHz
12MHz

FOX-III

System
System
System

I

Ma

th

Coprocessor

80287-10

80287-10

80287-8

I

3-1

SYSTEM

and

are

repeated

BIOS

The

conveyed

infinitely.

other

type

as

of

errors

a

number

are

serious

of

beep

fail

ure

and

Illustration

are

given

INSTALLING

below.

COMPONENTS

Beep

If
system
or

hard
system
below.

System

Main

Processor
Numeric
Floppy
Floppy
Display
ROM-BIOS

Processor
Drive
Drive

Type

Count

1

3

4

5

6

7

9

no

error

BIOS

will

disk.

configuration

Configuration

:

: None

A:

:

B:

:

:

Date

:

Meaning

DRAM
Base

System

Processor
Keyboard

Fail
Virtual
ROM-BIOS

proceed

The

(C)

Copyright

80286 Base

1.2

MB,

1.44MB,
VGA

6/13/90

ure

is

or

Refresh

64K

Timer

Mode

found

system

on

5V."

3Y."

EGA

Byte

Failure

Failure

Controller

Exception

Checksum

during

to

boot

BIOS

the

1985-1990,

Ext.
Hard
Hard
Serial
Parallel

Failure

Memory

self-test,

from

will

screen

American

Memory

Memory

Disk C:
Disk D:

Port(s)

Port(s)

Failure

-

Ga

te

Error

Failure

floppy

list

similar

Megatrends

Size :

Size :

Type

Type

A20

disk

: 2
:
:
:

the

the

to

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640
OKB

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None
3BC

KB

Notch

the

coprocessor
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after
should

80287

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DDDDDDDDDDDDDDDDDDDC

Check

display

self-test.

show

whether

upon

a

list

If

the

type

the

power

of

devices

the

coprocessor

of

80287

coprocessor.

system

up.

on

SOCKET

BIOS

The

the

is

can

detect

system

BIOS

motherboard

installed,

it

A-4

3-3

SYSTEM

started

by

BIOS

If

up,

telling

it

configuration

The

BIOS

up.

and

is

It

configuration
video

BIOS

display,

SETUP
equipment
can

be

run
and
escaped.
not

working

SETUP

recorded
change

the

memory
The

need a diskette

If

your

system,

program

in

is
configuration.
loss

of

battery

configuration.

is

the

you

the

your

SETUP

called
lets

of

memory,

provides

and

machine

after

SETUP

FOX-III

the

made

power,

first

will

time

need

SETUP

system

is a program

up

every

you

diskette

the

system

test

is

program

to

use

is

you

will

unless

the

on-board

in

If

the

information

you

that

to

configure

program

contains.

that

time

specify

drives,

date

a

one-screen

hard

and

configuration

has

finished

is

it.

already

not

need

configuration

CMOS

your

will

RAM

system

need

the

computer

what

resides

the

system

your

disk

time.

been

or

built-in,

installed

to

is

is

lost

to

the

system

hardware

in

the

boots

system's

drives,

The

AMI

interactive

setup.

turned

has

been

you

in

use

the

already

lost

or

hardware

due

reenter

the

is

It

on

do

to

INSTALLING

SYSTEM

configuration.

available,
BANK

Appendix

the

option

SIMM

prefers,
means
at

the
cannot
same
already

can

no

a

a

referenced

mod

ules
2x41256
256K
maximum
the

other
will
DRAM

FOX-III

0

type

he

you

same

install

bank

installed

longer

One

).

and/or

allow

are

MEMORY

these

and

BANK 1 in

C

for

the

of

either

memory

could

could

time.

both

reference.

install

as

'BANK

bank

or

For

6

of

DIP

the

1M

memory

hand;

up

if

to 1 Megabytes

organized

CONFIGURATION

offers

There

memory

a

are

banks

the

motherboard

using

DIP

modules.

use

use

Please
memory

DIP

both

DIP

memory

SIMM

and

For

types

note

types

example

into

0'.

memory

refers

memory

SIMM

capacity

purely

memory,

SIMM;

therefore
of 4 Megabytes.

DIP

of

in 2 banks

flexible

2

are

motherboa

layout)

Still

SIMM

that

marked

into

the

chips

DRAM

memory.

as

COMPONENTS

memory

referenced

type

DRAM

if

together.

type

however,

if

'BANK

SIMM

to

as 2 SIMMs

(4x44256

user

can

it

are

shown

memory

banks

rd.

(See

User

the

That

memory

with
you

0',

socket

insta
has

used,

The

below:

as

has

or

user

you

the

had

you

+

11

a

On

it

DIP

A-2

3-5

TECHNICAL

I/O

Channel

INFORMATION

(D-Side)

I/O

Pin

01
02
03
04

OS
06
07
08
09

010
Oll

012

D13
014
01S
D16
017
018

Signal

-MEM

-I/O
IRQ10
IRQll
IRQ12
IRQ1S
IRQ14

-OACKO
ORQO

-OACKS
ORQS

-DACK6
DRQ6

-DACK7
DRQ7
+S

-MASTER
GND

CS16

CS16

Vdc

Name

I/O

I
I
I
I
I
I
I

0

I

0

I

0

I

0

I

Power

I

Ground

The
illustrated
memory
memory

Memory

I

This
384K

between

for

EMS

different

on

the
configuration
map.

Configuration

Bank

0

256K
256K
256K

1M
1M

is a special

of

1M

and

memory

and

Shadow

case

1.384M

configurations

following

available

Bank

I

---

256K

1M

-

--

1M

where

'between

as

RAM

INST

table.

1 I Total

memory

640K

extended

simultaneously.

relocation

and

memory

ALLING

of

It

for

each

Memory

512K

1M

2.5M
2M
4M

1M

can

COMPONENTS

memory

shows

possible

I

*

is

available,

be

remapped

or

'can

be

is

the

the

used

4-18

3-7

TECHNICAL

I/O

Channel

I

INFORMATION

(B-Side)

I/O

Pin

Bl
B2
B3
B4
B5
B6
B7
B8
B9

BI0
Bll
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31

I

Signal

GND
RESET
+5

V.de

IRQ9

-5

Vde

DRQ2

-12

Vde
OWS
+12

Vde

GND

-SMEMW

-SMEMR

-lOW

-lOR

-DACK3
DRQ3

-DACKI
DRQl

-Refresh
CLK

IRQ7

IRQ6

IRQ5

IRQ4

IRQ3

-DACK2

TIC

BALE
+5

Vde
OSC
GND

Name

DRV

I

I/O

Ground

I

Power

I

Power

I

Power

I

Power

Ground

0

0
I/O
I/O

I

0

I

0

I/O

0

I
I
I
I

I
0
0
0

Power

0

Ground

I

SMl

SM2 SM3 SM4

BANK 0 BANK 1

RAM

"

Module

INSTALLING

Orientation

COMPONENTS

4-16

3-9

TECHNICAL

INFORMATION

INSTALLING

COMPONENTS

The

numbering

&

JBS.

following

for

I/O

01

010

018

channel

REAR

figure

connectors

PANEL

shows

C1

C10

C18

the

JB2,JB3,JB4

pin

SYSTEM

There

motherboard
desired
tables
these

ROM

Display

show

jumpers.

Size

Selection

BOARD

system

the

JPl

1-2

2-3

JUMPER

are

that

several

allow

configuration.

function

U

II

SETTING

the

and

ROM

27256
27128

jumpers
user

The

default

Size

*

to

settings

1n

select

following

the

the

of

4-14

COMPONENT

SIDE

Note;

I

*

factory

JP2

1-2
2-3

I

setting

Monochrome

eGA,

EGA

or

disp

VGA

la

y *

3-11

TECHNICAL

INFORMATION

INSTALLING

COMPONENTS

SYSTEM

FOX-III

of

which

slot.

The

1/0

*

1/0

Selection

*

24

*
*
*

*

bit

Interrupts

DMA

Memory

EXPANSION

provides

are

16-bit

channel

address

memory

channels

space

of

data

refresh

BUS

and

supports:

from

access

ad

dresses

signal

six

two

hex

(either

expansion

are

8-bit

100

8

(16MB)

slots,

expansion

to

hex

or

16

four

3FF

bit)

P 2 -

P 3 -

Speaker

I

Power

I

Connector

Pin

I

2 +5

3

4 +5

LED & Ext-Lock

Pin

I +5

2

3

4

5

I

Assign

I

Key
Ground
Keyboard
Ground

Assignment

Data

Vdc

Ground

Vdc

Vdc

out

Connector

men

t

inhibit

4-12

P 4 -

Turbo

Switch

Pin

I

2

Conllector

Assignment

Selection
Ground

Pin

3-13

TECHNICAL

INFORMATION

INSTALLING COMPONENTS

CMOS

Addresses

I

RAM

OO-OD

OE
OF

10

11
12

13
14
15
16
17
18

19-2D

2E-2F

30
31

32 *
33 *

34-3F

ADDRESS

I

*

Real-time

*

Diagnostic

*

Shutdown

Diskette

-

drives A and
Reserved
Fixed

-

drives C and
Reserved
Equipment
Low
High
Low
High
Reserved
2-byte

*

Low

*

High
Date

Information

(set
Reserved

MAP

Description

drive

disk

type

base

memory

base

memory

expansion

expansion

CMOS

expansion

expansion

century

during

clock

status

status

type

B

byte

D

byte

memory

memory

checksum

byte

flags

power

information

byte

byte

byte

byte

byte

byte

byte

memory

memory

on)

byte

byte

P 8 -

KB

External

1 -

Keyboard

I

I

Pin

Battery

Pin

I

1 +
2
3
4

Connector

I

I

2

3
4
5

Connector

Assignment

Vdc

not

used
Ground
Ground

Assign

Keyboard
Keyboard
Spare
Ground
+5

men

Vdc

t
clock

data

..

4-10

These
are

not

bytes

part

are

of

not

included

the

configuration

in

the

record.

checksum

calculation

and

3-15

TECHNICAL INFORMATION

page

Page

I

DMA
DMA
DMA
DMA
DMA
DMA
DMA
Refresh

The

following

register.

Register

Channel
Channel
Channel

Channel
Channel
Channel

Channel

0

2
3
S
6
7

I

shows

I/O

I

the

addresses

Address

0087
0083
0081
0082

008B

0089

008A

008F

(HEX)

for

the

This

about

interested
FOX-III.

MEMORY

FOX-III

Address
000000-

7FFFFF
080000-

09FFFF
OAOOOO-

OBFFFF

section

and

in

the

MAPPING

Range

I

OOOK-SI2K

S12K-640K

640K-768K

TECHNICAL

provides

is

intended

basic

design

II

technical

for

and

Function

System
(SI2K)

System
(128K)

Display

CHAPTER

INFORMATION

information

advanced

operation

Board

Board

Buffer

users

Memory

Memory

(l28K)

4

of

I

4-8

OCOOOO­ODFFFF

OEOOOO-

OEFFFF
OFOOOO-

OFFFFF

100000­3FFFFF

400000­FFFFFF

768K-896K

896K-960K

960K-I024K

1024K-4096K

4096K-16318K

Adaptor

Shadow
System

Shadow
System

Shadow
System

I/O

Channel

ROM

RAM

ROM

BIOS

Memory

/

RAM

ROM

RAM

Memory

/

(128K)

(64K)

/

(64K)

4-1

TECHNICAL

INFORMATION

TECHNICAL INFORMATION

SYSTEM

INTERRUPTS

Sixteen

prov

ided

on

interrupt-level

Level

Microprocessor

In

terrupt

CTLR

1

IRQO
IRQl

IRQ2

-

-

IRQ3
IRQ4
IRQ5
IRQ6

IRQ7

levels

FOX-III.

assignments

Con

trollers

CTLR

r-

IRQS
IRQ9

IRQIO
IRQII
IRQ12
IRQ13
IRQ14

IRQ15

'--

NMI

2

of

system

The

following

in

decreasing

Function

Parity

or

Check

Timer

Output
Keyboard
(Output

Buffer

Interrupt
Real-time

Software

INT

OAH

Reserved
Reserved
Reserved
Coprocessor
Fixed

Disk

Reserved
Serial

Serial
Parallel

Port
Port

Port
Diskette
Parallel

Port

interrupts

I/O

Channel

0

Full)

from

CTLR

Clock

Interrupt

Redirected

(IRQ2)

Controller

2

I

2

Controller

1

shows

priority.

to

I/O

the

I/O

address

channel.

hex

100

to

3FF

are

available

on

are
the

ADDRESS

DEVICE

(HEX)

IFO-IFS
200-207
278-27F
2FS-2FF
300-31F
360-36F
378-37F
3S0-3SF

2

3AO-3AF
3BO-3BF

Fixed
Game
Parallel

Serial

Prototype
Reserved
Parallel

SDLC,

Bisynchronous

Monochrome

Disk

I/O

Printer

Port

Port

2

Card

Printer

Port

bisynchronous

I

Display

2

I

2

and

Printer

Adapter
3CO-3CF
3DO-3DF
3FO-3F7
3FS-3FF

Reserved

Color

Graphics

Diskette

Serial

Port

Monitor

Controller

I

Adapter

4-6

4-3

TECHNICAL

INFORMATION

TECHNICAL

INFORMATION

SYSTEM

FOX-III
counters
they

are

I

TIMERS

which

defined

Channel
Gate

Clk
Clk

0
in
out

Channel

Gate
Clk

I

in

0

I

has

are

as

0

0

I

I

three
build-in

channels

System
Tied

8259

1.190

on

Mhz

IRQ

Refresh
Generator

Tied

1.190

on

Mhz

programmable

in

the

chipset

0

through

Timer

OSC

0

Request

OSC

2:

timer

and

Channel

/

Gate

2

2

Tone

Speaker

Controlled

port
Clk
Clk

in
out

2

1.190

2

Used

Generation

by

hex

61

Mhz

OSC

drive

to

bit 0 of

PPI

the

of

bit

speaker

Note:

system
programma

treated

register

Channel
period

The

programs

as

for

I is

signal.

8254

ble

ex

counters

mode

programmed

to

Timer/Counters

as

an

arrangement

terna I I/O

and

the

progJ:a

mmi

generate a I5-micro-second

are

treated

of

four

ports.

fourth

Three

are

is a control

ng.

by

4-4

Clk

out

I

Request

Refresh

Cycle

4-5

TECHNICAL

I/O

ADDRESS

I/O

Address

I/O

the

system

INFORMATION

MAP

Map on

address

board

hex

I/O.

System

000

Board

to

OFF

are

reserved

for

DIRECT

FOX-III

MEMORY

supports

ACCESS

seven

TECHNICALINFORMA

(DMA)

DMA

channels.

TION

ADDRESS

(HEX)

000-0] F
020-03F

040-05F
060-06F
070-07F

080-09F
OAO-OBF
OCO-ODF
OFO
OFI
OF8-0FF

I

DMA
Interrupt
Timer,
Keyboard
Rea]

(non-maskable
DMA Page
Interrupt
DMA

Clear
Reset
Math

Controller

8254

Time

Controller
Math

Ma

th Coprocessor

Coprocessor

DEVICE

I, 8237

Controller

Controller

Clock, NMI

interrupt)

Register,

Controller

Coprocessor Busy

],

7 4LS6] 2

2,

2, 8237

Port

8259,

8259

Mast~r_

mask

I

I

Channel

0

]

2
3
4
5
6
7

I

Spare
SDLC
F]oppy
Spare
Cascade
Spare
Spare
Spare

Function

(8

bit

(8

bi

t

Disk

(8

bit

for

(16

bi t transfer)

(

16

bi t transfer)

(16

bi t transfer)

transfer)

transfer)
(8

bit
transfer)
DMA

C6li.froIler

transfer)

I

4-2

4-7

INSTALLING COMPONENT1)

TECHNICAL

INFORMATION

THIS

PAGE

IS

INTENTIONALLY

LEFT

BLANK

REAL

TIME

The

real-time
keeps
off.
will
system
right
if
battery

configuration

Upon

load

so

track

you

which
weaken,
parameters

-f

ol-l-Gw-i-n--g

CLOCK

CMOS

clock

you
the
that

with

haven't

you

whenever

page

RAM

and

turn

recorded

the

system

the

configured

supports

need

shows

AND

64

Chip

bytes

CMOS

(146818)

information

the

system

configuration

can

equipped

the

power

to

redefine

the

system

th.e

CMOS

RAM

of

CMOS

when

power

function

devices.

the

CMOS,

to

is

RAM

con

tains

the

RAM,

power

on,

CMOS

into

in

the
the

However,

or

the

the

CMOS

the

necessary

boot

up.

The

address~s.._

it

is

is

3-16

4-9

INSTALLING

COMPONENTS

TECHNICAL

INFORMATION

P 5 -

P6,P7 -Power

Turbo

LED

Pin

1

2

Supply

Pin

1

2

3

4
5
6

Pin

1

2

3
4
5
6

Connector

Assignmen
+5

LED

Connector

Assignment
POWER

+5
+ 12 V

-12 V dc
Ground
Ground

Assignment
Grou

Ground

-5
+5
+5
+5

Vdc

signal

Vdc

nd

Vdc

Vdc
Vdc
Vdc

GOOD

dc

REAL

t

clock

TIME

The

bytes

Byte

I

0

1
2

3
4
5
6
7
8
9

10

1 1
12
13

CLOCK

following

and

specifies

Function

I

Seconds
Second
Minu
Minute
Hours
Hour
Da y of
Date
Month
Year
Status
Status
Status
Status

INFORMATION

table

alarm

tes

alarm

alarm

week

month

of

Register

Register
Register
Register

their

describes

addresses.

A

B

C

D

real-time

Address

00
01
02
03
04
05
06
07
08

09
OA
OB
OC
OD

3-14

4-11

INSTALLING

COMPONENTS

TECHNICALINFORMA

TION

SYSTEM

Under
should
of

the

Connector

I

PI
P2
P3
P4
P5

P6,

P8

KBI

Pin

illustrated

BOARD

be

connected

system

P7

assignments

as

CONNECTORS

typical

to

unit.

Function

I

Hardware
Speaker
Power
Turbo
Turbo
Power
External
Keyboard

follows:

conditions,

the

indicators

reset

connector

LED & Ext-lock

s

witch

LED

supply

con

connector

battery

connector

of

these

connector

nector

connector

connector

the

connectors

connectors

and

switches

connector

are

The

numbering

following

for

I/O

81

810

820

channel

REAR

figure

connectors

PANEL

shows

A1

Al0

A20

the

JAI-JA5.

pin

P 1 -

3-12

Hardware

I

Pin

I

2

Reset

I

Connector

Assignment

Selection
Grou

nd

Pin

831 A31

COMPONENT

SIDE

4-13

INSTALLING

COMPONENTS

TECHNICAL

INFORMATION

CONTROL

System

switch

and
connected
This

and

modes

controls

normal

when

In

can

also

Press

'CtrI',

'Ctrl',

'Alt'

In

to

indicate
turbo
turbo
turbo

mode
LED

LED

It

will

override

not v ice

OF

Speed

keyboard.

to

the

mode,

pressed.

addition

change

'Alt'

and

either

whether

or

will

is

off.

should

versa.

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can

turbo

the

operation

it

to

the

and

'-'

for

case,

the

normal

turned

be

note

the

keyboard

SPEED

be

Connector

switch

will

the

front-panel

system

'+'

normal

the

turbo

system

mode.

on.

that

selected

of

mode

toggle

speed

for

turbo

mode.

LED
is

now

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turbo

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normal

turbo

switching

by

P4

should

the

case
between
between

switch,

via

mode

will

running

mode,

switch

mode,

hardware

panel.

turbo
the

you

keyboard.

and

light

mode,

the
the

setting

but

be

up

in

The

assignments

I/O

Channel

following

for

the

(A-Side)

I/O

tables

channel

summarize

connectors.

pin

2

Signal

I

I/O

Al
A2
AS
A4
A5
A6
A7
AS

A9
AlO
All
A12
AlS
AU
A15
A16
A17
A18
A19
A20
A2l
A22
A23
A24
A25
A26
A27
A28
A29
A30
A3l

Pin

I

-I/O

-I/O

Name

CH
S07
S06
S05
S04
SOS
S02
SOl
SOO

CH
AEN
SA19
SA18
SA17
SA16
SAl5
SA14
SA13
SA12
SAll
SAlO

SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2

SAl

SAO

CK

ROY

I

I/O

I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O

I

0
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O

I

3-10

4-15

INSTALLING

COMPONENTS

TECHNICALINFORMA

TION

Installing

Whenever
motherboard,
make
correct
should

sure

orientation,

be
following
memory

be

inserted
and
where
module
socket,
position

again.
socket.

modules.

To

install a module,

then

the

edge

it

and

Do

It

The
locking
check

latches

carefully

Otherwise,

SIMM

install

that

facing

page

with

the

locking

is

cannot

should

not

will

modules

the

Modules

adding

the

the

for

the

an

angle

module

latches

not

be

force

damage

of

before

system

memory

2

modules

SIMM

the

chips

I/O

expansion

correct

the

into

is

pivoted

will

completely

pivoted

be

dragged

the

module

the

locking

should

the

sockets

turning

will

not

modules

at a time.

is

installed

on

orientation

module

the

socket's

secure

inserted

to

be

out

into

be

locked

firmly.

on

work

the

slots.

edge

into

it.

in

and

the

latches.

the

properly.

to

the

Also

in

the

modules

See

the

of

the

should

contact

position,

If

the

into

the

vertical

inserted

SIMM

by

the

Please

power.

I/O

Channel

I/O

I

(C-Side)

Pin

Cl
C2
C3
C4
C5
C6
C7
C8

C9
CI0
Cll
CI2
CI3
CI4
CI5
CI6
CI7
CI8

I

Signal

SBHE

LA23
LA22
LA21

LA20

LA19
LA18

LA17

-MEMR.

-MEMW

SD8

SD9
SDIO
SDll
SDI2
SD13
SDU
SDI5

Name

I

I/O
I/O

I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O

I

3-8

4-17

INSTALLING COMPONENTS

Dip

Memory

emory

BANK

BANK

'UIO,

for

BANK
sockets
is

not

desira

There
types
equipped
memory

system.
equipped

DRAM

2.5
SIMM.

by

after
required

type.

you

Megabytes

system

power

Configuration

Bank

°

1

VII'

°

and

can

be

left

ble.

are

rna y

consider.

with

can

be

As a typical

with

512

and

then

by

The

memory

BIOS

up.

to

be

set

Memory

U14,
UI0,

U16,
UI2,

&

'VI2,

BANK

blank

several

fewer

installed

Kbyte

memory

putting

and

No

for

Location

U15, U19,
U11

(parity)

U17, U21,
U13

(parity)

VI3'

I

respectively.

if

parity

combinations

So, a

memory

when

case, a basic

memory

size

another

size

is

detected

indicated

switches

the

memory

U20

U22

are

basic

and

is

la

during

or

DRAM

44256
41256
44256
41256

the

parity

checking

of

system

later

upgrading

system
using
ter

size

256K

increased

2

banks

automatically

memory

jumpers

and

Size

bits

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logic

DRAM

ca n be

more

the

can

be

DIP

to

of

1M

test

are

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All

microcomputer
Output
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communication
rest

to

worrying
devices.
enhancements
programs,
interrupts
BIOS
interrupt.

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self-test

devices.

the

system

parallel

disk

will

system

put

installed).

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chip

of

the

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the

system

entry

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system,

routine

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CPV,

board,

and

subsystems

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file

in

drive

computer.

BIOS

about

access

of

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and

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and

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the

point

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in

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characteristics

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to

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subsystems,

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self-test

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in

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as

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transparent

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microprocessor.

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checks

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extended

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keyboard.

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check

APPENDIX

SYSTEM

use a Basic

that

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the

programmer

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will

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board

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COMPONENTS

SYSTEM

BIOS

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should

optimum
table
of

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16

12

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selected

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speed

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determine

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MHz

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the

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System
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information.

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of

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system

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correct

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60

80

100

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system

speed

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ns

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ns

ns

contact

speed

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reset,
and

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displays

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by

pressing
useful
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message

when

You

following

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test.
memory

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test.

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sus

pen d the t est.

the

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sounds.

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the

the

that

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the

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system

performs

size

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memory

may

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recommended

total

case

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report

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screen.

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key.

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size

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memory

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sounds.
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8

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two

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number

errors

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types

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of

as

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errors

as

short

below

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reported

one

beeps.

:-

Failure

long

by

beep

The

A-3

INSTALLING

Your
discharge.
electricity
metal

on

installation.

Find

system

side,

board.

and

COMPONENTS

computer

You're

if

you

ground

your

the

computer

80287
The

is

located

can

less

socket

socket

at

likely

yourself

'U9'

be

before

on

has

on

damaged

to

discharge

by

touching

your

20

holes

the

motherboard.

by

static
static

you

begin

computer's

on

each

the

Do

check
configuration
arise

because
configuration.
modify

drive
from

you
the

the

from

floppy

check

problem

the

is

of

setup
one

disk

list,

at

the

correct.
the
For

after

type

or

the

list

incorrect

example,

to

rna y

you

can

early

to

make

Sometimes,

changing

another,

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figure

stage.

SYSTEM

sure

information

if

you

the

floppy

it

can

work

out

properl

the

BIOS

that

problems

of

forget

disk

not

boot

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cause

the

the

to

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of

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with

the
holes
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gently
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the

80287,

in

laying

pressing

the

When
correctly,
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under

80287,

the

80287'5

or

gently

again.

notch

verify

the

the

other

press

pins

out.

the

80287

on

socket.

80287

its

row

you

firmly

in

pins.

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straighten

the

that

top

of

are

the

Look

you

so

socket.
its

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they

on

edge

pins.

sure

and

socket.

for

find

them,

that

pins

its

evenly

its

don't,

side

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the

any

bent

and

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match

up

align

on

a'

the

pins).

pins

on

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the

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pins

that

pins,

insert

matches

you

install

with

the

table

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aligned

80287

examine

are

remove

the

up

the

pins

and

to

bent

the

chip

3-2

A-5

GENERAL

I/O

system
peripherals
The
capability

FEATURES

SUBSYSTEM

It

is

should

without

FOX-III

in
communicating
slower
opera

SYSTEM

while

tion.

FUNCTIONS

System

Interrupt
DMA
Timer
Real

Clock

I/O

very

important

be

downgrading

system

mind.

with

maintaining

functions

time

and

clock

ready

channel

compatible

is

exactly

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has

I/O

peripherals

high

include:

generation

control

that

with

the

designed

the

speed

a

high

speed

existing

performance.

with

capability

at

8MHz

for

system

this

of
or

Use

selected

the

enter

item.

SETUP

this

Depending

men u similar

CMOS

SETUP

Date

(mn/date/year) : Sun,Jul

Time

(hour/min/sec)

Floppy

Drive

A:

Floppy

Drive

B: : 1.44

Hard

Disk C:

Hard

Disk
Primary
Keyboard

Video BIOS
Scratch

Main

BIOS

Fast

I/O

o

Wait

Memory

type

D:

type

Display

shadow : Enabled

RAM

option

shadow

BUS

Speed : Disabled

State

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Relocation

<Up>

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program

option.

to

(C)

Copyright

: 12 : 05

1.2

:

:

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:

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:

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:

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:

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:

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:

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and

on

below

1,

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5'1."

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Installed

or

EGA

<Down>

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press

the

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will

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:

3'1,"

SYSTEM

keys

to

highlight

CMOS

the

version,

SETUP

<Return>

a

appears:

American

Cyln

Sun

1 2 3 4 5

8 9 10 11

15

Megatrends

Base

memory size :

Ext.

memory

Numeric

Head

Tue

Mon

16

size : o

Processor : None

WPcom

Wed

17

18

BIOS

the
for

key

to

SETUP

Inc.,

640

KB

KB

LZone

Sect

Thu

Fri

6

12 13 14

19

20 21

Size

Sat

7

All

AT

standard.

to

be

compatible
expansion
can

be

used

2-10

system

I/O

cards

in

functions

channel

with

conformed

FOX-III

are
of

standard

to

without

100%

FOX-III

AT

the

standard

problem.

compatible

is

designed

bus.

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AT

to

the

bus

Month : Jan,
Date
Year

ESC=Exit,!

:
:

01, 02,
1901,

....

r

Feb,

.......... Dec

03,

........

31

1902, ....... 2099

...

=Select,PgUp/PgDn=Modify

22 23 24 25

30

31

29

5 6 7

26 27 28

2 3 4

1

8 9 10

A-7

11

GENERAL

FEATURES

SYSTEM

BIOS

MEMORY

accesses
of

DRAM
improve
con

ven

the

DRAM
This
select

register
require
also

be

"Limulators"

memory
640K
conform
1-2-3,
use

expanded

programs,

shadow

technology
BIOS
into

fast
The

SYSTEM

FOX-III

in a design

on

performance

tional

flexibility

an

ideal

Hardware

sets

expansion

disabled

provides

limit.

to

the

Symphony,

it

would

To

further

RAM

that

from

the

DRAM

execution

features

the

PC/AT

for

in

cost/performance

LIM

for

for

maximum

DOS

EMS

memory.

enhance

is

loads

low

during
of

significan t improve

is

much

faster

than

which

system

significantly

design.

the

one-wai

configuration

EMS

software

memory.

allowing

usable

application

(such

Framework

If

be

most

supported.

system

speed

boot-up

the

men t beca

ROM.

zero

wai

supports

board.

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t/zero-wai

combina

is

supported

applications

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the

use

flexibility.

memory

as

the

latest

II,

SuperCalc3)

you

use

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desira

the

ble

system

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EPROM/ROM

of

BIOS

use

then

access

t-sta

te

DRAM

up

to 4 MByte

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feature

relative

can

configure

t

option.

allows

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tion.

using

EMS

of

software

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beyond

programs

versions

application

to

use

performance,

RAM

and/or

directly

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computer.

will

to

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to

the

to

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that

of

can

EMS.

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Key

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current

field

field,

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the

reverse

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the

user

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the

may

changes.

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the

Use

<PgUp>
settings
Use

<ENTER>

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<ESC>

previous

arrow

menu.

menu.

keys

or

<PgDn>

to

key

to

select

to

move

to

the

abort

the

options.

move

bar

options.

and

inside

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to

4

Note
system
settings

to

were

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startup,

made;

if

user

which

the

settings

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steps

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allow

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taken:

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d)

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Hold

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on

the

memory

computer.

key

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compu

test

ter.
begins,

release

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register
system

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up

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of

A-9

GENERAL

MA

FOX-III

FEATURES

TH

COPROCESSOR

The

80287

system
logarithmic
operations

The

with

coprocessor
microprocessor.
operating

time
mathematical
microprocessor

The

80287

to

the

80286

com

bin

e d

wit h the
dramatically
computer

application
mathematical
computer

such

as

financial

workstation

CAD/CAM,

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adds
microprocessor
math

operations
exponential,
80287
point
to

treated
hex

supports

and

the

ANSI/IEEE

The

OF8,

BCD

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as

an

OF A and

Math

to

perform

functions,

extreme

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by

allowing
calculations

conti n ues

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microprocessor

8 0 2

increases

operations.

modelling

or

graphics.

over

seventy

instruction

include

and

trigonometric

integer,

data

formats,

floating

thema

I/O

tics

device

OFC.

Coprocessor

high-speed

and

accuracy.

works

parallel

in

operation

the

to

do

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architecture.

86m

i c r 0

pro

the

processing

software

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platform

mnemonics

set.

logarithmic

extended

and

point

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through

The

microprocessor

enables

arithmetic,

trigonometric

parallel

coprocessor

while

other

is

cess

an

functions.

extension

0 r

the 8 02

which

makes

for

applications

and

spreadsheet,

to

the

Specific

arithmetic,

functions.

integer,

fully

standard.

80287

I/O

port

the

with

the

decrease

to

the

When

speed

utilize

an

ideal

80286
80287

The

floating

conforms

address

sends

do

8 7

of

is

The
drives
settings

OPTION

automatically.

before

There
by

the

BIOS.
determine
as

cylinder
and
disk's

pre-compensation

parameters.

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fixed
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type
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disk

included

as

type

between
parameters.
CMOS

RAM
afterwards.
different
which

are

together

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a

while
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halts

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setting

after

likely

incorrect.

BIOS

3

FIXED

are

its

number,

PgUp

type.

47.

type

not

in

your

the

type

before

reboot,

that

is a ble

exit.

47

Consult

correct

in

the

the

The

and

Each

47

included

the

the

to

But

DISK

types

your

type.

head

must

and

PgDn

If

the

type

hard

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left

parameter

parameters

your

fixed

hard

hard

disk.

system.

of

fixed

BIOS

fixed

please

the

setting

detect

remember

DRIVE

of

fixed

fixed

The

number,

keys

of

disk

and

fields

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disk

in

the

disk

can

disk

wait

of

the

type

to

disks

disk

parameters

sector

match

your

list,

right

your

to

change

fixed

define

arrow

and

be

stored

disk

can

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list

is

can

be

assigned

two

hard

can

wrong,

identify

type,

if

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for a while.

fixed

disk

SYSTEM

BIOS

of

check

supported

manual

such

number

fixed

disk

a

new

keys

enter

in

be

used

disks

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used

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error.

system

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type

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the

to

the

is

to
the
the

a

is
is

2-6

A-ll

GENERAL FEATURES

SYSTEM BIOS

Virtual

Address

The

I-gigabyte

megabyte

space

the

use

a

physical

physical

is

larger

of a virtual

interrupt.

This
of a 16-bit
selector
table,
segment

16~bit

to

form

specifies

and

is

offset

the

automatically

segment

register

Instructions

to

the

memory-based

program

contain

support.

8-byte

virtual

virtual

address

mode

selector

the

24

obtained

is

added

physical

references

that

values

Mode

address

address

address

than

space

space.

physical

address

location

uses

and

an

index

bit

32-bit

offset

base

will

in

address

from

to

the

address.

the

is

loaded

load a segment

tables
The
called

mode

mapped

address

that

Virtual

does

provides

onto

address

space,

not

cause a restartable

pointers

tha t consist

components.

to a memory-residen

of

the

desired

the

memory

segment

The

tables

with

register

without

microprocessor

table.

base

address

whenever

a

selector.

will

additional

memory-based

descriptors.

map

refer

ta

a 16

and

to

The

A

a

bles

OPTION

5

KEYBOARD

a

If

a

keyboard
select'Installed'.
during

OPTION

t

/disabled
card

monochrome

shadow

using
video
shadow
this

self-test.

6

The

has

the

VGA

accesses

is

option

VIDEO

Video

in

this

no

video

display

Video

or

EGA

enabled.

if

you

will

is

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BIOS

BIOS

BIOS

particular

ROM

card),

BIOS.

card

be

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have

attached

will

SHADOW

Shadow

option.

(as

there

However,

where

there's
improved
will

not

less

than

test

can

in

be

to

the

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the

is

if

able

I MB

the

keyboard

be

enabled

the

case

no

need

if

you
video
video

to

of

system,

display

of

to

are

ROM,

BIOS
enable
system

memory.

a)
b)

Disabled
Enabled

*

2-4

OPTION

certain
in

two

and

another

7

The

BIOS
functions
ways.

SCRATCH

may

and

One

is

to

alloca

require

the

way

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storage

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te

memory

to

use

a I K

can

the

bytes

storage

be

allocated

BIOS

memory

for

stack

in

A-I3

GENERAL

FEATURES

SYSTEM BIOS

I/O

Subsystem:

System

Other

Compatible
Four
Two

16-bit

8-bit

Support

8-Channel
16-level
3

programmable
CMOS
Real

time
OS/2
fast

reset)

Features:

On

board
External
Hardware

to

standard

expansion

expansion

Functions:

DMA

interrupt

RAM

for

clock

Optimization

POWER

battery

turbo

A T

slots

slots

(Direct

timers
system
with

battery

(Fast

GOOD

connector

switch

bus

Memory

Access)

configuration

backup

A20

gate

test

circuit

and

OPTION

of

DRAM
slow
better
high
enable
memory

10 0 WAIT

With

DRAM,

timing

speed

this

access

this

speed a vaila

DRAM

option;

performance
to

the

user

cost/performance

a}

Enabled

b)

Disabled

OPTION

this
384KB
nei

ther

as

extended
applicable
configura

11

If

your

feature.

memory

used

tion.

MEMORY

as

only

STATE

feature,

disable

margins

this

for

is

available

this

and

significa n tl

to

determine

effective

*--

RELOCATION

system

In

EMS

memory.

so

memory

that

that

nor

for

OPTION

user

ble.

option;

the

will

improve

y.

system.

case

the

shadow

Note

the

can

use a wide

If

the

this

DRAM.

to

allow

In

zero

tha t wa

is I MByte,

you

can

memory

RAM

that

I

this

MByte

user

will

If

the

wait

the

y,

the

remap

ca n be

range

is

using

provide

however

user,

state

system

it

is

desired

enable

which

used

option

memory

do

up

the

is

is

2-2

•

BIOS

a)

b)

Default

Enabled

Disabled

*

A-IS

INTRODUCTION

To

speed
protected
as

'OS/2

and

Otherwise
Gate',
handle

this

the
performance
expanded

ISA

expansion

In

addition,

memory

developed
On-board
implemented
system

and

supplies.

FOX-III

general

spreadsheet,

presentation
network

worksta

up

the

real

mode, a special

Optimization'
known
feature

mode

for

as

provides

switching

advanced

ma

the

bus

connectors

for

the

PC/AT

power

to

ensure

is

capable

system

business

word

graphics,

tions.

switching

is

also

'Hot

Reset

an

unique

which

operating

nager

good

of

appl

FOX-III

will

generator

the

working

is

the

ica

provides

so

that

be

reliability

perfect

applications

processing,
telecommunications

of

CPU

feature

incorporated.

and

method

will

improve

system

tions.

add-on

fully

with

functional.

any

choice

involving

database,

between

known

Fast

standard

cards

is

of

power

A20

to

the

and

also

the

for

and

RUNNING

Follow

until

the

Use
highlight
then
appear

press

on

The
operate
to

screen-menu

operate
<Right>
highlight

The
specialized
instructed.

AMI

initial

following

EXIT
RUN
RUN

the

bar

to

<Ente.r>.

the

screen.

AMI

the

and

<Up>

bar

the

diagnostics

tests

BIOS

DI

AGNOSTICS

procedures

displa y is

FOR

CMOS

BOOT

SETUP

DIAGNOSTICS

<Up>

select

&

"RUN

diagnostic

A

Diagnostics

allowing

program.

or

option

on

Simply

<Down>

desired.

each

in

the

shown

<Down>

on

to

DIAGNOSTICS"

menu

provides

inexperienced

press

keys

program

of

the

following

SYSTEM BIOS

CMOS

the

Setup

screen:

move

will

an

easy

<Left>

to

move

performs

when

the

and

soon

to

users

or

the

1-2

Hard

disk
Floppy
Keyboard

Video

adapter

Printer

drive(s)

disk

drive(s)

and

Communication

board

and

monitor

ports

A-17

Chapter

4

Memory
I/O

Address
System
System

Direct

Real

Time
CMOS
Real

Time
System

TECHNICAL

Mapping

Map
Timers
Interrupts

Memory

Clock

RAM

Address

Clock

Expansion

Access

and

CMOS

Map

Information

Bus

INFORMATION

(DMA)

RAM

4-1

4

-I

4-2

4-4

4-6

4-7

4-9

4-10
4-11

4-12

Preventing

to

fix

it

after
cleanliness
into

play.

ANTI-STATIC

and

it

proper

PRECA

OPERATION

a

problem

has

happened.

operating

UTION

AND

is

better

APPENDIX

MAINTENANCE

than

This

procedures

having

is

where

come

B

APPENDIX

Memory
CMOS
CMOS
Exiting

Running

APPENDIX

Anti-Static
Keeping

Cleaning
Cleaning

APPENDIX

A

Setup
Sctup

B

C

SYSTEM

Test

Bypass

Options

CMOS

AMI

BIOS

OPERA

Precaution

the

System

the

Goldcn

the

Motherboard

SYSTEM

Sctup

nON

BOARD

BIOS

Diagnostic

&

MAINTENANCE

Cool

Fingcr

LA

YOUT

A-I

A-3

A-6

A-IO

A-16

A-17

B-1

B-1

B-2
B-2

B-3

C-I

Some
computer
and

can
prevent
in

such

a

conductive,
precautions
device

from
removing
coprocessor,
these
your
rear
the
hand.
and

devices.

system

of

the

component

This

the

system
preventing
to

handle

not

touch
Grasp
frames

Memory
their

diskette

to

chips

bodies

componen

components

be

damaged
damage,

should

its

any

add-on

care

Touch

unit

system

you

will

place

unit

an

accidental

circuit

the

boards

component

drives

avoid

or

only,

ts

are

static-sensitive

by

the

device

anti-static

be

taken

bags.

card,

should

be

an

(for

example,

unit)

are

with

installing

your

at

the

static

by

or

fixed

touching

co-processor

not

by

their

of

static

before

When

DRAM

taken

unpaint

one

body,

same

discharge.

the

pins

disk
the

should

pins.

the

FOX-III

discharges.
may

bag;

removing

installing

when

metal

the

screws

hand,

on

the

ground

edges

or

only

solder
drives
circuit

devices

be

wrapped

certain

module

handling

part

on

then

the

hold

other

component,

potential,

Be

sure

and

joints.

by

their

board.

be

held

or

To

the

or
or

of

the

do

by

B-1

OPERATION

AND

MAINTENANCE

,

\

CLEANING

Because

enter

At
computer
accumulated

vacuum
To
board,
of
i f
with a miniature

your

least

prevent

installing

the

case.

nee

e s s a r

once

and

and

y,

THE

system

dust.

carefully

dust

Regularly

v a c u u m

MOTHERBOARD

the

system

through

a

year,

vacuum

from

all

vacuum.

take

the

Use a brush

go

accumulating

mounting

examine

the

is

air-cooled,

the

the

interior

attachment

over

plates

i n t e

rio

ventilation

cover

to

all

exposed

on

the

on

your

r 0 f

system,

the

dust

off

remove

on

parts.

mother-

the

s

ys

can

slots.

your

the

rea

and

tern

r

B-3

Note

SYSTEM

APPENDIX

BOARD

C

LAYOUT

1.

2.

3.

4.

5.

6.

To

achiel'e

Irait

State

the

CMOS

For

1MB
'Memory
Setup;
extended

Do
the
peripherals

speed.

Electronic
and

system

Tllrn

remove
add-on

make

modules

After
The
during
screen.
will
messages

this

not

try

CMOS

dirt.

regularly.

off

card.

sure

power

system

this

initialize

any

optimum
option'
Setup.

memory

relocation

will

memory.

to

enable

Setup

are

components

Do

inspect

the

power

connector.

that

and

add-on

is
BIOS
period

After

will

the

be

performance.

and

configuration.

allow

capable

Before

on.

'Fast

unless

all

the

cards

please

are

going

and

self-test.

the

shown.

the

and

whenel'er

display

'Main

option

tllrning

nothing

BIOS

ill

384KB

I/O

YOIl

of

are

clean

memory

connectors.

wait

to

BUS

are

sure

operating

sensitive

the

1'011

modllle

on

are

well

for a minute.

through a self-test

is

shown

the

system

adaptor

enable

shadow'

enable

the

CMOS

be

used

speed'

that

at

to

computer

install

the

power.

memory

secured.

on

the

as

in

the

high

dust

or

and

the

BIOS

and

'0

in

-

'-- '--

P:5

P4

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III 286

MOTHERBOARD

I

IL..

7.

The
force
may

SIMM

the

break

sockets

SIMM

the

are

modules

locking

fragile

into

latches.

device.

the

sockets.

Do

not

It

C-l

The
to

material

change

in

without

this

manual

notice.

is

for

information

only

and

is

subject

REVISION:

IBM,
INTEL,

IBM

1.0

PC/XT/AT,

AMI

TRADEMARKS

ARE

OF

PC-DOS,

THE

THEIR

MS-DOS,

TRADEMARKS

RESPECTIVE

OS/2,

OR

OWNERS.

UNIX,

XENIX,

REGISTERED