TeleVideo TS 806H Manual de usuario

Te/eVideo®

806,

TS 806C, TS806H,

TS 806120andTS

806HI20

Maintenance Manual

TeleVideo Systems, Inc. 1170 Morse Avenue Sunnyvale, California 94086 408/745-7760

PREFACE

This

document

contains

reference

information

used

specifying,

operating,

and

maintaining

the

TeleVideo

806,

TS806C,

806H,

806/20,

and

806H/20

systems.

The.contents

this

document

are

copyrighted

TeleVideo

Systems,

Inc,

1983,

and

must

not

photocopied,

duplicated,

reproduced

without

the

express

written

permission

TeleVideo

Systems,

Inc.

TeleVideo

Systems,

Inc.

reserves

the

right

make

improvements

products

without

incurring

any

obligations

incorporate

such

improvements

products

previously

sold.

Specifications

and

information

contained

herein

are

subject

change

without

notice.

Send

comments

suggestions

this

material

the

following

address:

TeleVideo

Systems,

Inc.

Technical

Documentation

Department

1170 Morse Ave.

Sunnyvale,

94086

The

Zilog

material

Tab

Section

reproduced

with

permission

Zilog,

Inc,

1979.

This

material

shall

not

further

reproduced

without

the

written

consent

Zilog,

Inc.

Printed

U.S.A.

#2162200

CONTENTS

Title

Tab

Section

Computer

Systems

Division

Limited

Warranty

•••..••.•••

806

Theory

Operation

(includes

806H,

806/20,

and

806H/20)

•••••••••••••••••••••••••••

806C

Theory

Operation

••••••••.••••..•••••••••••

System

Repair

Price

and

Spare

Parts

Price

Lists

•••.••

Drawings.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

COMPUTER

SYSTEMS

DIVISION

LIMITED

WARRANTY

TeleVideo

Systems,

Inc.

("TeleVideo")

warrants

its

distributors,

systems

houses,

OEMs,

and

national

accounts

("Buyer")

that

products,

except

software,

manufactured

TeleVideo

are

free

from

defects

material

and

workmanship.

TeleVideo's

obligations

under

this

warranty

are

limited

repairing

replacing,

TeleVideo's

option,

the

part

parts

the

products

which

prove

defective

material

workmanship

within

IBO

days

after

shipment

TeleVideo,

except

that

Buyer

may

pass

along

its

initial

customer

("Customer")

maximum

days

coverage

within

this

lBO-day

warranty

period,

provided

that

Buyer

gives

TeleVideo

prompt

notice

any

defect

and

satisfactory

proof

thereof.

Products

may

returned

Buyer

only

after

Return

Material

Authorization

number

("RMA")

has

been

obtained

from

TeleVideo

telephone

writing.

Buyer

must

prepay

all

freight

charges

return

any

products

the

repair

facility

designated

TeleVideo

and

include

the

RMA

number

the

shipping

container.

TeleVideo

will

del

ver

replacements

for

defective

products

parts

exchange

basis

Buyer,

freight

prepaid

the

Buyer

the

Customer.

Products

returned

TeleVideo

under

this

warranty

become

the

property

TeleVideo.

With

respect

any

product

part

thereof

not

manufactured

TeleVideo,

only

the

warranty,

any,

given

the

manufacturer

thereof,

applies.

EXCLUSIONS:

This

limited

warranty

does

not

cover

losses

damage

which

occurs

shipment

from

Buyer

Customer,

due

to,

(1)

improper

installation

maintenance,

misuse,

neglect

any

cause

other

than

ordinary

commercial

industrial

application,

(2)adjustment,

repair

modification

other

than

TeleVideo-

authorized

personnel,

(3)improper

environment,

excessive

inadequate

heating

air

conditioning

and

electrical

power

failures,

surges,

other

irregularities,

(4)any

statement

made

about

TeleVideo's

products

salesmen,

dealers,

distributors

agents,

unless

confirmed

writing

TeleVideo

officer.

THE

FOREGOING

TELEVIDEO LIMITED

WARRANTY

LIEU

ALL

OTHER

WARRANTIES,

WHETHER

ORAL,

WRITTEN, EXPRESS, IMPLIED

STATUTORY.

IMPLIED

WARRANTIES

MERCHANTABILITY

AND

FITNESS

FOR A

PARTICULAR

PURPOSE

NOT

APPLY.

TELEVIDEO'S

WARRANTY

OBLIGATIONS

AND

DISTRIBUTOR'S REMEDIES

HEREUNDER

ARE

SOLELY

AND

EXCLUSIVELY

STATED HEREIN. TELEVIDEO

MAKES

WARRANTY

WHATSOEVER

CONCERNING

ANY

SOFTWARE

PRODUCTS,

WHICH

ARE

SOLD

"AS

IS"

AND

"WITH

ALL

FAULTS". TELEVIDEO'S

LIABILITY,

WHETHER

BASED

CONTRACT, TORT,

WARRANTY,

STRICT

LIABILITY

ANY

OTHER

THEORY, SHALL

NOT

EXCEED

THE

PRICE

THE

INDIVIDUAL UNIT

WHOSE

DEFECT

DAMAGE

THE

BASIS

THE

CLAIM.

EVENT

SHALL

TELEVIDEO

LIABLE FOR

ANY

LOSS

PROFITS,

LOSS

USE

FACILITIES

EQUIPMENT,

OTHER

INDIRECT,

INCIDENTAL,

CONSEQUENTIAL

DAMAGES.

TS-806

THEORY

OPERATION

This

theory

operation

describes

the

hardware

layout,

functions

and

operations.

Section

1.0

2.0

3.0

4.0

s.o

6.0

7.0

8.0

TABLE

CONTENTS

Title

Introduction

General

Description

Function

Circuit

Description

Connect~r

Configuration

Jumper

Description

Power

Requirements

WDC

INTRODUCTION

The

TS-806

multi-user

system

that

supports

user

stations.

The

user

stations

may

configured

from

TS-800,

TS-

801,

TS802-series

systems.

The TS-806

single

board

microcomputer

based

the

Z80A

family

microprocessor

components.

The

system

functions

central

resource

manager

multi-user

environment

through

RS-

422

SDLC

control.

The

terminal

used

with

the

TS-806

standard

TeleVideo

terminal

used

service

terminal.

The TS806

contains

10-megabyte

Winchester

technology

hard

disk

drive.

The

TS806/20

uses

20-megabyte

Winchester

drive

the

same

style

cabinet

the

TS806.

Both

systems

use

the

WD-lOOO

disk

interface

board.

The

TS806

can

expanded

with

the

TS-

806H, and

the

TS806/20

expanded

with

the

TS806H/20.

The

TS806C

magnetic

cartridge

option

the

TS806-series

systems.

The

TS806C

interfaced

the

TS806-series

system

through

one

the

RS-422

high

speed

ser

ial

data

links

used

for

user

station.

user

station

can

connected

the

TS806C

shown

the

block

diagram

allow

the

full

compliment

stations.

RS232

TERMINAL

FLOPPY

WINCHESTER

DISK

OTHER

RS232

SERIAL

DEVIn:

USER

-------l

rr=a

SYSTEM

t--

TS806C RS422 I

(6)

OP'l'IONAL

------~

TS806

PRINTER

USER

RS422

SYSTEM

1-5

RS422

USER

SYSTEM

W/OTS806C)

TS806H

TS806H/20

GENERAL

DESCRIPTION

ZSOA-CPU

The

main

processing

unit

the

system

(4.0

MHz

operation).

ZSOA-CTC

Counter/timer

chip,

generating

the

baud

rate

for

RS232C

serial

channel.

ZSOA-PIO

Parallel

I/O

chip,

provides

centronics-type

printer

inter-

face.

ZSOA-SIO

Serial

I/O

chips,

providing

RS232C

interface

(data

rate

19.2

KB)

and/or

RS422

high-speed

serial

interface

with

data

rate

SOOK

bit/sec.

ZSOA-DMA

Direct

memory

access

controller

chip

used

for

direct

transfer

data

between

memory

and

peripheral

I/O

floppy

disk,

Winchester

hard

disk,

etc.

Memory

Main

memory

available

user

64K

bytes,

using

64K X

DRAM

bytes

ROM

and

byte

SRAM

are

used

for

system

firmware

(used

power

reset

only).

Floppy

disk

controller

Western

Digital's

1793

chip

along

with

its

support

chips

2143-01

and

WD169l

provides

control

and

interface

the

floppy

drive.

Winchester

hard

disk

interface

Interface

provided

the

disk

controller

board

for

the

hard

disk.

FUNCTION

The

facilities

available

the

users

are

64K

bytes

main

memory,

floppy

disk

controller

which

can

drive

potentially

drives

(0.5M

byte

each),

interface

communicate

with

the

hard

disk.

controller

which

can

also

drive

poten-

tially

hard

disk

drives

Winchester,

and

parallel

port

for

high-speed

centronics-type

printer

interface.

channels

RS232C

type

interface

(from

SIO),

and

channels

RS422

interface

(from

the

other

SIO's)

communicate

with

the

user

systems

(TS-800,

TS-80l)

are

provided.

4Kbyt

ROM

and

bytes

SRAM

are

used

for

system

initialization,

diagnostics,

boot,

and

floppy/hard

disk

control

during

the

power-up

reset,

and

are

not

acces-

sible

the

users.

After

the

initial

program

the

ROM

run

upon

power-up

reset,

the

dynamic

memory

area

(address

00-16

hex.)

switched

that

the

whole

64K

byte

main

memory

can

used

the

user.

TS-806

uses

DMA

controller

transfer

data

between

memory

and

I/O

devices,

memory

memory,

and

also

I/O

device

I/O

device.

CTC

chip

(A40)

reserved

provide

vectored

interrupt

capability.

Another

CTC

chip

(A39)

generates

(switch-

selectable)

baud

rates

for

RS232C

interface.

Channels

this

CTC

are

reserved

for

time-of-day

generation

user

implemented

option.

LED

indicators

are

used

for

diagnostic

purposes

in-

dicate

faults

the

hardware.

The

system

block

diagram

shown

Figure

I/O

port

assignment

shown

Table

and

the

baud

rate

switch

configuration

shown

Table

User

Optional.

{

FOC

l?ttet'rllpt

INT

CO?Itrollct

-For

Floppy

~~~~

&Hiud

DiSk

MiJl;

Floppy

Disk

Dl'"ives

Winchester{

Htltd Disk

COJltrolier

Centronic- {

type

PriJl-ter

Interface

DRAM

64kX8

.l80A-DMA l80A-CPU

~O~l~AI

RATE

-eTC

}RS232C

}

RS232C

I--..II--l------""'.....J

BAUD

RATE

t--L.-...J

SwrT~

'----v

LED'S

} RS422

}

RS42.2

DIAGRAM

2 -

BLOCK

DESIGN

TS-806

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