Kaypro 2, 4X, 10, 2/84, 2X Technical Reference

KAYPRO

TECHNICAL MANUAL

DECEMBER

1984

Part

Number

1484-D

PAGE

1.0

2.0

3.0

4.0

5.0

6.0

1.1

1.2

3.1

3.2

3.3

3.4

3.5

3.6

3.7

5.1

5.2

6.1

6.2

6.3

6.4

6.5

6.6

6.7

Introduction

Purp::lse

Scope

FCC

Infonnation

M::x1el

KAYPRO KAYPRO KAYPR04 KAYPRO KAYPRO KAYPRO

KAYPRO

RCM

Revisions

O1assis

Raroval/Replacement 'Ibuch-up

Mainboards-Troub1eshooting

KAYPRO2(81-110-n) KAYPRO KAYPRO10(81-180-n) KAYPRO KAYPRO KAYPRO Rarova1/Installation

of

Technical

of

Technical

Specifications

2 2/84

and

4/84

4X

10 ROBIE

-

Infonnation

2/4

(81-240-n)

2/84 4/84 ROBIE

and

(81-184) (81-296-n)

Manual

2X

CP/M

of

2X

(81-294-n)

Manual

canpatibi1ity

!bod

Instructions

(Exc.

Tips

ROBIE)

1-1 1-2

2-1

3-1

3-2

3-3

3--4

3-5 3-6 3-7

4-1

5-1

5-2

6-1 6-2

6-8

6-16

6-26

6-35

6-44

6-53

7.0

8.0

7.1

7.2

7.3

7.4

7.5

8.1

8.2

8.3

CRI'

Assemblies Descriptions Video Video

ALIGN.MAC Diagrx:>stic

Raroval/lnsta11ation

Power

Introduction

Description

Raroval/lnstal1ation

Alignment Signals

SUW1ies

and

on

and

Adjustments

KAYPRO

220V

Mainboard

Listing

Instructions

Configuration

Instructions

7-1

7-3 7-4

7-5 7-8

8-1

8-2 8-5

~m

<Dll'ftll'S

(<:mtinued)

9.0

9.1

9.2

9.3

9.4

9.5

10.0

10.1

10.2

10.3

10.4

11.0

11.1

11.2

12.0

12.1

12.2

13.0

Diskette

Drives

Introduction/Disk

Which

Jumpering

Brand

of

Diagrams High-Density Removal/Installation

Hard

Disk

Drives

Introduction

Description Hard

Hard

Drive Drive

Configuration or

Installation

Hard

Drive

Controller

Description Removal/Installation

Interface

Board Description Removal/Installation

Keyboards

Drive

Is

(Drivetec)

Instructions

(KAYPRO

FloR'}"

Drive

Instructions

Board

Instructions

(KAYPRO

Instructions

Cleaning

It?

Drives

10)

Rsroval/

(KAYPRO

10)

9-1 9-2 9-5 9-9 9-10

10-1

10-2

10-3

10--4

11-1 11-2

12-1 12-2

13-1

14.0

14.1

14.2

15.0

15.1

15.2

15.3

15.4

15.5

15.6

ROBIE

Removal/Installation

Chassis Diskette

Covers

Drives

Troubleshooting

Introduction

KAYPRO

2

and

4

Symptan-Fix

KAYPRO10Symptan-Fix

ROBIE KAYPRO KAYPRO

Symptan-Fix

2/84

and

4/84

and

Guide

2X

Sympt.cm--Fix

4X

Symptan-Fix

Instructions

Guides

Guide Guide

14-1 14-2

15-1 15-2 15-8 15-15 15-21 15-22

~<E

<XIftmill'S

(cmtinued)

16.0

16.1

16.2

16.3

16.4

17.0

17.1

17.2

17.3

18.0

19.0

19.1

19.2

19.23

19.24

19.25

19.26

19.3

19.33

19.4

19.43

19.5

19.53

19.6

19.63

19.7

19.8

19.81

19.84

19.86

19.92

19.93

19.94

19.95

System

Video

Keyboard Codes

I/O

Catmand

Connector Port

Addresses

Reference

ASCII

Mercory Maps

Vendor Suggested KAYPRO

Section

Chart

Addresses

References

16 O1assis System

Boards Board Assembly card

Mainboard

Disk

CRI' Assembly CRI'

Power SU£:ply Power

Rem:>val

Controller

Rem:>val

Supply

Diskette Diskette Hard

Hard

Disk Disk

Keyboard

System

I/O

Parallel Serial

~em

I/O

Mercory Map

Switch

Mercory

Printer

Cable

Port

settings Expansion

Protocol

arrl

Pin-outs

Rem:>val

Board

Rem:>val Drives Drive

Ratoval Drive Drive

Raroval

Printer

Cable

Addresses

FUnctions

Ratoval

Cable

16-1 16-2

16-3

16-10

17-1 17-2 17-6

18-1

19-3 19-4 19-16 19-18 19-21

19-22

19-23 19-24 19-26 19-29 19--31 19-32

19-37 19--38

19-41

19-42

19--42

19-44

19-45

19-48

19-49

19-50

19-52

1.1

PURl?<:SE

'!his

publication trained sections subject.

'The

procedures expertise any

servicing It

is

our expedite encourage

rePair

of

on

desire

rePairs

your

<F 'IK.HfiCAL

is

intended

technicians.

Kaypro

the

and

part

unless

to

am

computers.

infurmation

of

you

provide

comments

MANUAL

the

are

dealers

am

suggestions

to

be

It

will

'!his

contained

reader.

a

qualified

the

users

a

technical

attempt

manual

'Ib

with

to

replaces

in

this

avoid

service

the

infurmation

the

regarding

re

ference

COller

personal

technician.

service

this

guide

all

dealer-serviceable

to

manuals

assume injury,

and

they

technical

do

stlJ?fX)rt

deserve.

manual.

be

not

used on

the

perfurm

needed

We

by

to

1-1

1.2

'!he kn<:Mledge

'!he only.

supplies,

SCCPE

infbrmation

on

policy

Even

CRI'

manufactured drives)

are

<F 'lHR\IICAL Ml\NUAL

and

procedures

the

part

0 f Kaypro

Kaypro's

assemblies,

by

Kaypro

Nor

covered

of

the

Corporation

repair

technicians

or

Corporation

by

this

covered

reader.

is

disk

manual.

to

drives.

(power

by

this

repair

do

manual

computers

not

rePair

Repairs

supplies,

assume

switching

to

modular

CRI'

some

to

the

modular

power

comPonents

assemblies,

technical

'\

level

not

disk

Ibwever,

and

the

warranty '!he

adjustment

by

module KAYFRO chassis

we

tcx:::>ls

Kaypro

type,

RCBIE,

design

do

rot

to

computers.

and

with

which

and

discourage

repair

to

dealers

the

component

rerroval/replacement

the

exception

is

placed

hardware

in

module

and

technicians

level

infbrmation

of

removal/replacement

a

seParate

section

placement

in

from

that

who

doing

in

this

due

to

machine.

have

so,

the

on

out~f

manual

infbrrnation

the

di

fferences

knowledge

is

organized

:fOr

the

in

\

1-2

5.e

->

IWUiARE

CCLOOED TAB HERE: HARIWARE

M<DRES

2."

F<X::

As

Kaypro

which

affect romputer. infunnation

INFCIMATI<N

keeps

Contact

FCC

in

ratings.

the

•

step

with

The

Kaypro

romputer

proPer

Engineering

technology,

rating

is

Department

the

affixed

models

to

if

you

the

need

have

back

changes

of

further

each

\

2-1

3.8

H<IEL SPECll'ICATIQ1S

3.1

KAYPRO

2 SPOCll'ICATIOlS

CPU

RAM

MAINBCARD

DISK

STORAGE

KEYBCARD

VIDEO SCREEN

I/O

CCNNECl'ICNS

Z-80 64K

2.5

bytes

81-110-n

Two

5-1/4 sided, 19lK

floppy

bytes

Detachable,

keyboard

Non-glare, screen

with

display.

(he

"Centronics"-type

port,

one

MHz

or

81-240-n

indh,

of

72

with

9-indh,

a 25

RS-232C

series.

double-density, disk storage

18

drives,

per

key

typewriter

progranmable

green

rowx80

parallel

serial

single-

providing

diskette.

style keys.

Phosphor

column

port.

3-1

3.2

KAYPRO

2/84

aId

2X

SPFCIEilCATI~

CPU

RAM

DISK

KEYBQt\RD

VIDEO SCREEN

I/O

STORAGE

(Kaypro

STORAGE

(Kaypro

C<::NNECI'ICNS

2/84)

2X)

Z80-A 4.0

64K

bytes

81-294-n

Two

5-1/4 sided, 191K

Two

sided, 3901<

floppy

bytes

5-1/4

floppy

bytes

Detachable,

keyboard

Non-glare,

screen

with

display.

Che

"Centronics"-type

t'WO

RS-

232C

MHz

series.

inch

of

inch

0 f

72

with

9-inch,

a 25

serial

double-density,

disk

drives,

storage

per

double-density,

disk

drives,

storage

key

18

programnable

per

typewriter

green

rowx80

parallel

ports.

single-

providing

diskette.

double-

providing

diskette.

style

keys.

phosIilor

column

port,

3-2

3.3

KAYP{«) 4 SPFX:.lFlCATIQIS

CPU

RAM

DISK

VIDEO SCREEN

I/O

STORAGE

Cc:NNECI'ICNS

Z-80 64K

2.5

bytes

81-240-n

Two

5-1/4

sided,

3901<

floppy

bytes

Detachable,

keyboard

with

Non-glare,

screen

with

display.

Cb.e

"Centronics"-type

one

RS-232C

MHz

series.

inch

0 f

72

9-inch,

a 25

serial

double-densi

disk

drives,

storage

key

typewriter

18

programnable

green

rowx80

port.

providing

Per

diskette.

PhosPhor

column

Parallel

ty,

double-

style

keys.

port,

3-3

3.4

KAYPRO

4/84

SPJ£IFlCATICNS

CPU

RAM

DISK

STORAGE

KEYBmRD

VIDEO SCREEN

I/O

C~ICNS

MmEM

Z-80A 64K

8l-l84-n

Two

floH¥di~~ives,

bytes

Detachable, keyOOa.rd

Non-glare, screen

4.0

MHz

bytes

series.

double-densi

0 f

storage

72

with

9-inch

with

a 25

ty,

per

key

18

progranmable

rowx80

display.

(he

"Centronics"-type

two

RS-232C

rrcdular

Built-m, System

103

Instruments

serial

telephone

300-0000

crnpatibility.

TMS99531/TMS99532.

double-sided,

provMmg

diskette.

typewriter

green

phosphor

parallel

ports,

jack.

rrcdem,

39~

style keys.

column

one

RJllC

with

Uses

port,

Bell

Texas

REAL-TIME

CLOCK

Built-m r-M58167.

real-time

clock.

Uses

National

3-4

3.5

KAYPRO

4X SPJ£IFICATIQ1S

CPU

MAINBCARD

DISK srOOAGE

KEYBCARD

VIDEO

I/O

MffiEM

SCREEN

C~ICNS

Z-80A

641<

4.0

bytes

81-296-n

Two

5-1/4

sided,

2.6M

floppy

bytes

Detachable,

keyboard

Non-glare,

screen

with

display.

(be

"Centronics"-type port, RJIIC

two rrodular

Built-in,

System

103

Instruments

MHz

series.

inch,

with

disk

of

storage

72

key

18

9-inch,

a

25

high-density,

drives

per

typewriter

programna.ble

green

rowx80

parallel

RS-232C

serial

telephone

300-0000

modem,

compatibility.

TMS99531/TMS99532.

providing diskette.

phosrnor

coltnnn

ports,

jack.

with

Uses

double-

style

keys.

one

Bell

Texas

~TIME

CLOCK

Built-in r.M58167.

real-time

clock.

Uses

National

3-5

3.6

IQ\YPRO

19

SPJ£IFICATIQIS

CPU

RAM

DISK

VIDEO SCREEN

I/O

STORAGE

CCNNECI'ICNS

Z80A,

64K

81-18l2J-n

(he

sided, 39l2JK (he

bytes

4.0

bytes

5-1/4

bytes

hard

0 f

MHz

series.

inch

:fl.oFPY

disk storage.

Detachable,

keyboard

with

Non-glare,

with

a 25

(he

"Centronics"-type

t.v.Q RS-232C·

rowx80

double-density,

disk

of

storage

drive

72

key

18

progranmable

9-inch,

serial

drive

providing

per

providing

typewriter

green

colurm

Phosphor

display.

parallel

ports.

double-

diskette.

10M

style

keys.

screen

port,

3-6

3.7

KAYPRO

RCBIE

SPEClFlCATI<NS

CPU

RAM

DISK

KEYBCNID

VIDEO SCREEN

I/O

MCDEM

STCRAGE

CCNNECTICNS

Z80A, 4.0

64K

bytes

81-296-n

Two

5-1/4

sided,

2.6M

flowy

bytes

Detachable,

keyboard Non-glare,

with

two m:xiular

a 25

(he

"Centronics"type RS232C

telephone

Built-in,

System

103

Instruments

MHz

series.

inch,

of

with

reM

disk

storage

72

key

18

9-inch,

x

high-density,

drives

per

typewriter

progranmable

green

80

column

parallel

serial

ports,

jack.

300-baud

modem,

compatibility.

TMS9953l/TMS99532.

double-

providing

diskette.

style keys.

phosphor

display.

port,

one

RJllC

with

Bell

Uses

screen

Texas

REAL-TIME

CLCCK

Built-in

~8167.

real-time

clock.

Uses

National

-----,

3-7

4.f2J

I<AYPRO

RCM

REVISICN-CP!M

CP/M VERSI<N

VERSI<N CCMPM'IBn..rIY

KAYP.RO

( :fOr CP/M

PARr J

disk)

RCM

VERSI<N

2/83

4/83

2/84

4/84

2 X

+ 88

2.2F

0777

1475

2.2G 2619

2.2G 2622

2.2G

2470

81-149-C

81-232-A

81-292-A

or

81-232-A

4X

RCBlE

2.2G 2340

4-1

81-326-E

-->

CCLORED

TAB:

TRClJBLESHoorING

5.0

5.1

1.

2.

aJASSIS

Turn

0

ff

Disconnect

H<XD

the

AC

ImDlAL

machine.

power

(EX.CEPT

by

unplugging

KAYPRO

the

RffiIE)

power

cord

from

wall

outlet.

3. Remove

and

4.

Renove

aJASSIS

1.

lDwer

2.

Align chassis.

3.

Insert

chassis

4.

Insert them.

5.

Tighten

fuur

the

H<XD

and

each

ten

on

haJd

hood two

two

eight

screws

each

~

onto

holes

flat-head

start

screw

from

side.

fran

the

the on

top

them,

round-head

securely.

the

chassis.

unit.

0 f

screws

but

do

screws,

chassis

the

into

rot

hood

the

tighten

fuur

haJdi

with

holes

on

there

those

them

each

on

the

yet.

side,

are

on

top

two

and

0 f

of

on

the

start

top

5-1

5.2

TaXH-UP:J:NF(H4AT1<N

Kaypro Corp::>ration chassis personnel

O=casionally

A

small out there

000.

very

are

'Ihese

available

to

obtain a

amo\IDt

small

two

sizes

brushes

customer's

of

scratches

has

to

the

this

rubbing

of are

small

dealers.

paint.

computer

com];X)und,

onahcx:x1

sable

available

amO\IDts 0 f

Contact

will

when

or

chassis.

paintbrushes

at

any

touch-up

the

have

scratches

carefully

to

have

art

supply

paint

Hardware

applied,

Should

on

hand:

store.

fur

Kaypro

Technical

on

the

will

painting

size

hcx:x1

often

be

00

hcx:x1s

and

Support

or

chassis.

smooth

necessary,

and

size

5-2

The

fOllowing

(by

U-number)

operation,

but

sections fOr

Kaypro

rather

;

contain

mainboards.

an

aid

schematics,

to

locating

This

chip

is

not

possible

layout

intended problems

diagrams,

to

on

and

IC

be

a

theory

a .mai.nl::x>ard.

,.

lists

of

Consult internal

MAINBQl\RD .TRaJBLEsHoorING

A

blank

81-110, 81-240, allows address

technician

If

the

and

an

appropriate

v.orkings

EPRCM

a

quick

lines

to

video

apostrophes,

can

and

check

to

toggle

use

display

you

databJok

of

a

particular

be

used

81-180.

of

at

a

scope

does

haveaproblem

circuitry.

You

can looking signals

check at

like

For

th~

U20

U21

the

14

this:

81-240

(D7)

(06)

main on

1:x:lard:

RAM

each

U22 (D5) U23 (D4) U24 (D3) U25

(D2) (Dl)

U26 U27

(00)

TIPS:

to

help

The

appropriate

the

1:x:lard.

approximately

to

spot

not

showascreen

and

associated

of

the

ION ION

toggle toggle toggle

ION

toggle

(TrL,

Zilog,

IC.

troubleshoot

It

will

affected

in

the

RAM

chips.

model

usually

the

same

lines.

filled

video

circuitry

There

etc.)

Kaypro

if

you

mainlx:>ards

of

EPRCM

fOrce

amplitude,

with

RAM

or

quickly

should

need

to

(2732,

the

data

allowing

alternating

associated

with

be

a

pattern

find

of

2716,

and

a

series

the

"9'''s

scope

of

out

the

etc)

by

The

you

U-numbers have,

but

0 f

the

pattern

main

RAM

will

chips

be

6-1

the

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UI

U2,U67

U3 U4 U6,U11 U9,

U80 U10, U12,

U15, U16

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U28

U61 Ul4,

u39

through

through through

U32

U19 U27

U31 U33, U34 U35, U38 U36 U37, U56,

U85

U41

U42 U43 U44, U45, U64, U65 U47 U48, U73 U49, U52, U62 U54,

U72

U57, U58, U60 U59 U63 U66 U68 U69

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U81

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73I.S32

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8216

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74I..S02 748151

74I.S174

81-146-n 74lS243

81-232-n

74I.S04

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74lS373

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810 74804 8116

7406

1793 74I.S195

74I.S293

74I..S390

FOC9216

Description

4-bit Hex

Decade

Tri

Dual

Quad

Dual Quad Quad

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binary

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counter

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NCR

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Hex "Oil

bus

EPRCM

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ffer

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Hex

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4-bit

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641<

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x 1

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rate

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6-9

The

examples

signals

onaKaypro toggles. illustrations

tbte

that

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group

only

of

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of

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I/O

shown

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signals

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below

most

on

do

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through

between

U57

will

rnt

will

CC3)

represent

be

are

the

various

be

low

all

simple

included

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at

any

of

the

high-low

as

signals.

given

time.

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machine:

EPROMatlocation

to

boot.

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signal

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hasabandwidth

microseconds

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in

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display.

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square

graticule.

measurements

Ml

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top

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on

channel

to

of

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Figure

Figure Figure

Figure

1:

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2:

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3:

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4:

24

U 47.

of

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figures

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for

figure

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is

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1.

all

6,

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figures,

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machine

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above

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arrl

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is

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10

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10--2

Kaypro 2, 4X, 10, 2/84, 2X Technical Reference

Specifications and Main Features

Frequently Asked Questions

User Manual