Toshiba T-Series T3200 Bedienungsanleitung

1.1

GENERAL

Toshiba

Personal

Computer

T3200

(hereinafter

referred

T3200)

portable

personal

computer

which

compatible

with

IBM

PC/AT

tuated

higher

rank

portable

computer

than

Toshiba

T3l00.

Hardware

the

T3200,

lot

chips

are

C-MOS

type

that

the

power

consumption

very

little

and

Gate

Array

chips

are

applied

that

very

compact

and

light

weight.

The

T3200

composed

follows:

System

PCB

(Printed

curcuit

board)

Hard

disk

control

PCB

3.5-inch

floppy

disk

drive

3.5-inch

hard

disk

drive

Plasma

display

Keyboard

Power

supply

unit

FIGURE

1-1

T3200

Personal

Computer

1-1

3.5-inch

Floppy

disk

drive

(FDD)

double-sided,

double-density,

double-track

with

storage

capacity

720

kilobytes

(formatted).

3.5-inch

hard

disk

drive

(HDD)

with

storage

capacity

megabytes

(formatted)

the

second

external

storage

device.

The

plasma

display

with

pixels

720

columns

and

400

rows.

The

keyboard

has

keys.

For

most

applications

can

used

exactly

standard

typewriter

keyboard.

The

power

supply

unit

provides

+5 Vdc

and

+12

Vdc

power

every

component

the

system

unit,

including

the

option

cards.

For

the

plasma

display,

this

unit

regulates

+205

Vdc

power.

This

unit

has

ventilation

fan,

driven

+12

Vdc.

The

fan

enhances

the

reliability

and

durability

the

T3200

system

unit.

The

T3200

provided

connecting

the

optional

devices

the

rear

panel

the

system.

There

are

three

connectors

such

parallel

printer

(or

external

floppy

disk

drive),

RGB

direct

drive

CRT

display

and

RS-232C

device.

The

connector

for

parallel

printer

can

used

connect

external

FDD

unit

changing

the

A-B-PRT

switch

setting.

1-2

1.2

SYSTEM PCB

System

PCB

composed

the

following

devices:

Central

processor:

CPU

(80286-12)

(12

MHz/6

MHz»

Numeric

data

processor:

NPU

(80287,

optional)

o Memory

RAM

ROM

(Main

BIOS)

....

(AGS

BIOS)

.....

Video

RAM

..........•

Mbyte

standard

Mbytes

(option

card)

---

"LIM"

standard

Kbytes

(16

bits)

Kbytes

bits)

256

Kbytes

System

suP?ort

elements

Direct

memory

access:

DMA

(82C37)

Programmable

interrupt

controller:

PIC

(82C59)

Programmable

interval

timer:

PIT

(82C54)

Real

time

clock:

RTC

(MC1468l8)

Floppy

disk

controller:

FDC

(TC8565F)

Keyboard

controller:

KBC

(u8042)

x 2

Display

controller:

PEGA2,

AGS

G.A.

Gate

array

Bus

driver

Memory

mapper

DMA

driver

I/O

controller

LIM

AGS

(Advanced

graphics

subsystem)

1-3

1.2.1

DIP

switches

The

system

has

DIP

switches

which

are

located

the

rear

panel.

The

following

table

shows

function

the

DIP

switches.

TABLE

1-1

DIP

Switch

Functions

DIP

Setting Description

Switch

Auto-Switched display

mode

OFF

IBM

EGA

full

compatible

PRT

port

used

both

for

input

and

output

OFF

PRT

port

only

for

output

Communications

port

CH2

OFF

Communications

port

Double

font

plasma

for

TEXT

OFF

Single

font

plasma

for

TEXT

Disable

CRTC

for

EXT.CRTC

OFF

Enable internal

CRTC

(normal)

North

European Font

display

OFF

Other

Fonts (Normal)

7to

(Defined

follows)

Monitor

use

7 8 9

Monochrome

OFF

OFF OFF OFF

Standard

RGB

(40 column

mode

default)

OFF

Standard

RGB

(80 column

mode

default)

OFF OFF

OFF

Enhanced

RGB

(200

line

emulation

standard

RGB

ON ON

OFF

default)

Enhanced

RGB

(350 line,

true

enhanced

operation

default)

OFF

ON ON

OFF

1-4

1.2.2

Jumper

straps

The

system

has

six

jumper

straps

(PJ

which

are

located

the

keyboard

control

PCB.

Usually

the

six

jumper

straps

are

all

open.

The

following

figure

shows

location

the

jumper

straps.

MiwtfU

I I

FIGURE

1-2

Jumper

Strap

Locations

The

following

table

shows

function

the

jumper

straps.

TABLE

1-2

Jumper

Strap

Functions

Name Function

1-2

Not

used

3-4 2HD

FDD

type

Open ... 1.6

Mbytes

Short ... 2.0

Mbytes

5-6

Internal

FDD

numbers

Open ...

OneFDD

Short ...

Two

FDD/s

7-8

FDD

type

Open ... 2DD

Short

... 2HD (1.6 Mbytes/2.0 Mbytes)

9-10 Standard

memory

size Open ... 640 kbytes

Short

... 512 kbytes

11-12 Used

memory

card Open ... Used

the

extended

memory

and

mode

(Option)

the

expanded

memory.

Short

... Used

the

only

expanded

memory.

1-5

1.3

3.5-INCB

FLOPPY

DISK

DRIVE

The

floppy

disk

drive

(FDD)

used

the

T3200

high

performance,

high

reliable,

slim

sized

FDD

for

3.5-inch

floppy

disks

with

recording

capacity

720

kbytes

(formatted)

double-sided,

double

density

and

135

tracks

per

inch

operation.

The

specifications

are

following

table.

FIGURE

1-3

3.5-inch

FDD

TABLE

1-3

3.5-inch

Floppy

Disk

Drive

Specifications

Item Specifications

Storage Capacity (kilobytes) 1000 (unformatted)

720 (formatted)

Number

Heads 2

Number

Track perSide

Track

Access

(milliseconds) 3

Head Settling Time (milliseconds)

Track Density (tracks per inch)

135

Motor

Start-up Time (milliseconds) 500

Data Transfer Rate (kilobits per second) 250

Rotational

Speed

(revolutions per minute) 300

Recording

Method

MFM

(Modified

frequency

modulation)

1-6

1.4

3.5-IRCH

HARD

DISK DRIVE

The

hard

disk

drive

(HDD)

random

access

storage,

having

recording

capacity

Mbytes

(formatted).

This

equipped

with

the

storage

media

non-removable

3.5-inch

magnetic

disks

and

mini-winchester

type

magnetic

heads.

The

specifications

are

following

table.

FIGURE

1-4

3.5-inch

Hard

Disk

Drive

TABLE

1-4

3.5-inch

Hard

Disk

Drive

Specifications

Item Specifications

Storage Capacity (megabytes) 51.24

(unformatted)

40.30

(formatted)

Number

Heads 8

Number

Cylinders 615

Number

Tracks (tracks per cylinder) 8

Access

Time (milliseconds)

(minimum)

(average) 38

(maximum) 85

Recording Density (bits per inch) 14845

Track Density (tracks per inch) 834

Rotational Speed (revolutions per

minute)

3600

Recording

Method

MFM

(Modefied

Frequency

Modulation)

1-7

1.5

HARD

DISK

CONTROL

PCB

Hard

disk

control

PCB

(HOC)

accompanied

hard

disk

drive

(HOD)

and

connects

the

system

PCB

through

cable.

This

HOC

can

interface

the

HDD

the

system

PCB.

The

specifications

are

following

table.

FIGURE

1-5

Hard

Disk

Control

PCB

TABLE

1-5

Hard

Disk

Control

PCB

Specifications

Item Specifications

Encoding

method

MFM

(Modefied

Frequency

Modulation)

Data Transfer Rate (megabits

per

second)

maximum

Write

Precompensation

time

(nanoseconds)

Sectoring

Soft

1-8

1.5.1

Jumper

straps

The

Hard

disk

control

PCB

has

jumper

straps

which

are

and

Functions

the

jumper

straps

are

follows.

(1)

Not

used.

(2)

This

jumper

straps

select

recording

method

the

hard

disk

control

PCB.

The

following

table

shows

function.

TABLE

1-6

Jumper

Strap

Functions

No. Status Function

1-2 Short

MFM

method

3-4 Open

(

This

jumper

straps

select

the

delay

time

the

hard

disk

control

PCB.

Usually

delay

time

selected

ns.

The

following

table

shows

function

the

jumper

straps.

TABLE

1-7

Jumper

Strap

Functions

No. Delay

time

select

1-2 10

3-4

5-6

7-8 25

9-10

1-9

KEYBOARD

The

keyboard

mounted

the

system

and

has

keys.

These

consist

standard

keys,

function

keys,

cursor

keys,

functional

keypads,

and

key.

The

keyboard

just

key

matrix

built

the

above

keys.

The

keyboard

connected

the

keyboard

controller

the

system

PCB

through

22-pin

flat

cable.

FIGURE

1-6

Keyboard

1-10

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