Toshiba T-Series T8500 Bedienungsanleitung

File

No.

960-012

1.1

GENERAL

Toshiba

T8500

one

the

most

powerful

personal

computers

available,

offering

high

technology,

high

speed

and

full

IBM

compatibility.

This

system

unit

composed

Main

Board,

3.5-inch

floppy

disk

drive

(FOO)

3.5-inch

hard

disk

drive

(HOD)

and

power

supply

unit.

The

system

unit

has

connectors

(labeled

EX-FOO, PRT, SCSI,

RGB,

SERIAL1,

and

SERIAL2),

keyboard

socket,

IBM

compatible

slots,

and

slot

compatible

with

Toshiba

size

optional

card.

The

central

processing

unit

(CPU)

the

32-bit

80386-20/25

microprocessor.

The

standard

memory

has

capacity

Mbytes;

Mbyte

the

main

board

and

Mbyte

standard

memory

board.

Kbytes

(80386-20)

Kbytes

(80386-25)

cache

memory

speeds

the

T8500

processing.

The

HOD

has

capacity

100

Mbytes.

The

FOO

can

support

200

(720

Kbytes)

and

2HO

(1.44

Mbytes)

floppy

disks.

The

auto-sensing

universal

power

supply

used

worldwide,

and

has

one

AC-OUT

socket

for

supplying

power

your

display.

Figure

1-1

T8500

personal

computer

1-1

File

No.

960-012

1.2

SYSTEM

UNIT

The

configuration

the

system

unit

shown

Figure

1-2.

SERIAL

SCSI

Devices Device

bisplay EX-

FDD

PRT

r·_·_·_·

._._._._.-

-~-.-.-.~.-.-.~.-.-.-.-.-

_._._._._._._._._._._._._._._._._._.,

PJ13 PJ14

Connector

Board

PJ1S

PJ16

Main

Board

PJ2 PJ10 PJ7 PJ8 PJ6

Lithium

Battery

Speaker

Board

: ....................

Internal

SCSI

Device

....................

Cooling

Fan

PJS

FDD

PJ11

PJ3

PJ4

PJ1

PJ9

HDD

Option

HDD

....................

13100

Option

f--

Support

Board Card

....................

PC-Bus

IBM

f--

Mother

Compatible

Board Board

....................

10-

Memory

Board

System

Unit

L._._._._._._._._._._._._.

._._._._._._._._._._._._._._._._._._._._._._._._._._.-.-.-.-.~

IKeyboard

Figure

1-2

System

unit

configuration

1-2

)

File

No.

960-012

The

key

features

the

system

unit

are;

o 1

main

board.

o 1

memory

board.

o 1

speaker

board.

o 1

T3100

support

board.

o 1

PC-bus

mother

board

having

three

IBM

bus

slots

and

IBM

PC/XT

bus

slot.

o 1

internal

3.5-inch

FDD

supporting

two

media

types;

2HD

(double-side,

high-density,

double-track)

2DD

(double-side,

double-density,

double-track)

The

2HD

and

2DD

floppy

disks

can

formatted

with

1.44

Mbytes

and

720

Kbytes

storage

capacity,

respectively.

o 1

internal

3.5-inch

100-Mbyte

HDD.

o 1

auto-~ensing

universal

power

supply

that

can

used

worldwide

provides

VDC,

-5

VDC,

+12

VDC

and

-12

VDC

all

the

components

the

system

unit,

including

optional

IBM

compatible

boards

and

Toshiba

size

optional

card.

o 1

parallel

printer,

external

FDD,

SCSI,

RGB,

two

serial

device

connectors

are

located

the

rear

panel

the

system

unit.

keyboard

socket

located

the

front

panel

the

system

unit.

1-3

I"J]

1-'-

I"J]

....

1-'-

I"J]

1-'-

'§

CPU

System

RAM

HOC

80386

2MB

...

••

I I

;--

1 ]

;--

(

C031

-00

B031

-00 SOl5 -00 )

I I J

I.Q

s::

....

H I.D

'HIlI I

r.s

0"1

i I

(I)

....

I\)

(

(I)

....

Il'

I-'

....

1-'-

.to

CA31

-02 BA31,31,BA23 -00

SA23

-00 )

lJ lJ

---

CACHE

SI I J

lID

8 8

..J

LJl

CACCNT

---

8 ,

T9490F

OWAOR2

T4758A

, ,

CACHE

I I i !!

IIJC8

T9490F

8fc:

VSS

1'-.:-""11

SYSTEM

t--------of " , , -r--.

BIOS

~=--=,J

CCNT

BCNT

BIOS

________

.JI

III

....

1-'-

I.Q

0 (

SA09

1-'-

IIU~

XUL

I -

L--.-.J

U U J U o !

PYGAl

SI SIO

KBC

RTC

SPC

~:r.p

T9761

TC8670 8742

111'41'"

000

a a

1..11.

•.

1 0 0

"'"

11011

DIIPLAY

ICII

1-'-

../

Main

File

No.

960-012

board

composed

the

following

components:

Central

processing

unit

(CPU)

80386-20

80386-25:

The

CPU

32-bit

microprocessor

operated

MHz

clock

speed."

Numeric

data

processor

(NPX)

socket

for

the

80387-20

80387-25

and

WE3167.

Real

time

clock

(RTC)

MC146818:

The

RTC

continuously

keeps

the

data

and

time

backed

lithium

battery.

Serial

input

output

(510)

TC8570:

The

510

controls

the

RS-232-C

port.

Keyboard

controller

(KBC)

(8742):

The

KBC

controls

the

serial

data

from

the

IBM

compatible

keyboard.

Cache

controller

T9490F:

The

cache

controller

T9490F

improves

memory

access

operation

dramatically

with

its

Kbytes

high-speed

cache

memory.

This

controller

includes

the

cache

memory

Kbytes.

Memories:

System

random

access

memory

(RAM) 2

Mbytes;

1Mbyte

the

memory

board.

System

basic

input/output

read

only

memory

(System

BIOS

ROM)

Kbytes

Video

graphics

subsystem

(VGS)

BIOS

ROM

Kbytes

Video

RAM (VRAM)

256

Kbytes

(64

Kbyte

X 4)

Small

computer

system

interface

(SCSI)

protocol

controller

(SPC)

MB89352:

The

SPC

supports

the

standard

SCSI

the

software.

Super

integration

(51)

T4758A

and

T9761:

The

T4758A

includes

direct

memory

access

controller

(DMACs,

equivalent

82C37),

programmable

interrupt

controller

(PICs,

equivalent

82C59)

and

programmable

interval

timer

(PIT,

equivalent

82C54).

The

T9761

includes

the

floppy

disk

controller

(FDC,

equivalent

TC8565),

programmable

interval

timer

(PIT,

equivalent

82C54)

and

serial

input

output

(510,

equivalent

TC8570).

Paradise

video

graphics

array

(PVGA1)

The

PVGA1

has

the

following

display

control

modes.

Video

graphics

array

(VGA)

mode

Enhanced

graphics

adapter

(EGA)

mode

Color/graphics

adapter

(CGA)

mode

Monochrome

display

adapter

(MDA)

mode

Gate

arrays:

Gate

arrays

are

used

the

main

board

follows.

Bus

controller

gate

array

GA-BCNT

(100-pin)

Controller

gate

array

GA-CCNT

(100-pin)

Address

gate

array

GA-OWADR2

(100-pin)

Cache

controller

gate

array

GA-CACCNT

(62-pin)

1-5

File

No.

960-012

1.4

MEMORY

BOARD

The

memory

board

has

Mbyte

RAM

and

three

expansion

slots

(IS1,

IS2,

and

IS3)

for

the

single

in-line

memory

module

(SIMM).

This

SIMM

provided

three

types,

Mbytes,

and

Mbytes.

The

SIMM

combination

shown

Table

1-1.

IS1

Mbytes

Mbvtes

Figure

1-4

Memory

board

Table

1-1

SIMM

combination

Slots

IS2

IS3

To~al

- -

Mbytes

Mbvtes

m~mory

caJ:Laci

Mbytes

Mbvtes

NOTE:

The

Mbytes

and

Mbytes

SIMM

will

sold

future.

1-6

File

No.

960-012

SPEAKER BOARD

The

speaker

board

has

one

speaker,

two

LEOs

and

one

key

switch

connector.

One

LED

lit

green

power

on:

Its

colors

(green

and

red)

vary

with

clock

speed

(high

and

low)

cpu.

The

other

LED

lit

red

when

the

HOD

operation.

Figure

1-5

Speaker

board

1-7

File

No.

960-012

1.6

PC-BOS

MOTHER

BOARD

PC-bus

mother

board

relays

the

buses

extension

boards

for

IBM PC

PC/XT.

This

board

has

three

slots

and

one

PC/XT

slot.

Figure

1-6

PC-bus

mother

board

1-8

File

No.

960-012

1.7

T3100

SUPPPRT

BOARD

The

T3100

support

board

relays

the

bus

option

card

for

T3100.

This

board

has

the

connectors

with

bits

for

T3100-

compatible

data

and

Mbytes

for

memory

address

space.

Figure

1-7

T3100

support

board

1-9

File

No.

960-012

1.8

3.S-IHCH

FLOPPY

DIS,

DRrvE

The

3.5-inch

internal

FDD

high-performance,

reliable

and

thin

drive

that

suppo~ts

720-Kbyte

(formatted)

2DD

3.5-

inch

floppy

disk,

and

1.44-Mbyte

(formatted)

2HD

3.5-inch

floppy

disk.

The

FDD

illustrated

Figure

1-8,

and

its

specifications

are

listed

Table

1-2.

Figure

1-8

3.5-inch

FDD

1-10

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