Zenith Z-89-37 Installation Instructions Manual

Installation Instructions

for the

~Nnw

data

systems

DOUBLE-DENSITY DISK CONTROLLER

Model Z-89-37

ZENITH DATA SYSTEMS

Printed in the United Stales of America

ZENITH DATA SYSTEMS

SAINT JOSEPH, MICHIGAN 49085

595-2707-01

Page 2

INTRODUCTION

The

Z-89-37 Double-Density Disk Controller inter-

the

Z-89

faces troller soft-sectored disks.

Double-Sided (H-17-4 drives):

Single-Sided (H-17-1 drives):

will

96 tracks 80 tracks Single

48 tracks 40 tracks Single

Computer

read

and

per per

or

double

per

or

double

with

floppy

write

as follows to

inch side

(160 tracks total)

density

inch

density

disks.*

drives

The

Con-

using

Required software is:

HDOS

CP/M

NOTE: shown Backplate Modification Kit before product.

version

or

version

If

your

below,

2.0

(updated

2.2.03 (or higher)

Computer

then

you

has

must

or higher)

a backplate

also install

you

like

the

install

one

H-88-6

this

0 0

0

*cassette operation is not supported.

0\ 0\

]0

0

]

IBACKPLATE I

,----'.----r--

I I I

I

L

____

I

J

0

HOLE

MAY

NOT

PRESENT

OR

BE

PARTS LIST

The

key

numbers

"Parts Pictorial" (Illustration Booklet, Page 1). Return any

part

that

with

the

part

until

that

part

away

any

packing material

the

parts.

correspond to

is

packed

number

in an

on it,

the

numbers

individual

back

into

is called for in a step. Do

until

you

account

envelope,

its

envelope

not

on

the

throw for all

Page 3

KEY HEATH OTY. DESCRIPTION No. Part No.

CIRCUIT Compo

No.

INTEGRATED CIRCUITS - PLUGS

NOTE: Integrated circuits are marked for identification in one

of the following four ways:

1. Part number

2. Type number. (On integrated circuits, use only those numbersand lettersin any other numbers or letters.)

3. Part number and type number.

4. Part number with a type number other than the one listed.

CAUTION: Some IC's are protected against damage caused by static electricity. Do NOT remove the IC's from their foam pads until you are instructed to do so in a step.

A1

A2 A2 A2 A3

A4

442-651 444-61 444-83 444-84 100-1817 432-1168

1

UF78HOSSC or MC78TOSIC U101

1

1/0 decoder ROM

1

74S1881C'

1

27321C'

1

20-pin plug w/jumper

2

Programming plug

BOLD print. Disregard

IC'

U550 U516 U518

KEY HEATH OTY. DESCRIPTION No. Part No.

OTHER PARTS

81 134-1159

100-1816 '

82

B3 6-472-12

B4

346-1

85

352-31

B6 215-658

87 206-1394

250-1319

B8

252-2

89 810 254-9 811 134-1158 812

134-1074

813

134-1163 703-73 890-156

890·157

595-2696

3" wire with connectors

n resistor (yel-viol-red-

4700 gld) with connectors

n resistor (yel-viol-red-

4700 gld)

1"

Sleeving

1

Thermal compound

3

Heat sink

1

Ground plate

2

2 4-40 nut 2 1 1 1 1 1

9/16"

4-40 x head screw

#4

lockwasher 16-conductor cable with plugs Floppy cable Extension cable Diskette holder Diagnostic diskette (hard sectored) Diagnostic diskette

(soft sectored) Controller circuit board ROM Listing Manual Operation Manual (See front page for part number.) Installation Instructions

(See front page for part number.)

black phillips

CIRCUIT Compo

No.

'TheseIC's are only available fromHeath Company and must be ordered using

the Heath Part Numbers, not the Description numbers.

Page 4

COMPUTER TOP REMOVAL

~

WARNING:

hazardous

---~~

.->:

I I •

._ I

'--~

i

I I

~

Boxed-In

voltage

BACK

areas

locations.

TILT

show

PUSH

BACK

Whenever

• Refer to

• Likewise,

•

you

need

the

insert

the

blade

the

notch

in

the

latch

plate

ings.

open

side

of

the

WARNING:

nected can Pictorial

to an AC outlet,

be

present

1-1.

~

to

remove

inset

drawing

of a

small

the

latch

as

shown

the

latch

cabinet top.

When

the

inside

the

cabinet top:

on Pictorial

screwdriver

plate,

and

in

the

plate

line

hazardous

your

Computer. See

Sli

TOWARD

then

inset

on

the

cord

voltages

DE

FRONT

INSET

1-1,

into

slide

draw-

other

is con-

• Carefully tilt The remove opened

Unplug

•

Reverse top back on

this

PICTORIAL 1-1

the

hinges

procedure

the

are

the

cabinet

it completely.

the

fan.

Computer.

cabinet

designed

to close

top

back. NOTE:

so you can easily

top

once

you

and

lock

the

have

cabinet

INSTALLATION

()

Turn

off

the

Computer,

Refer to Pictorial 2-1 (Illustration Booklet, Page 2) for

the

( ) Remove

(~)

( ) Disconnect

Computer, unplug

two screws

and

its cables.)

the

cables from

set

unplug

that

hold

the

board

the

line

cord,

and

the

CPU logic circuit board

the

circuit board, lift

aside

temporarily.

remove

the

cabinet top.

following steps.

in

place.

the

circuit board up out of

(If

a serial I/O board is installed, also

the

Page

e

POWER

( ) Refer to Pictorial 2-3 (Illustration Booklet, Page 3)

Refer to Pictorial 2-2 (Illustration Booklet, Page

( ) Disconnect

( ) Remove

SUPPLY

there are heat sinks at or 78T05 (#442-651),

the

perform

screws

not

disconnect any wires

following steps.

the

cables from

and

set

the

four

hex

circuit board aside.

Ul0l,

Ul02,

and

Ul03. Ifheat sinks are present,

you

may proceed to "CPU Circuit Board" on Page 7. Otherwise,

3) for

the

spacers

that

power

and

are soldered to

lift

supply

the

power

circuit board.

supply

the

and

examine

following steps.

heat

heat sink assembly.

Then

sink

your

remove

out

of

computer

and

Ul0l

the

four corner

the

computer. Do

to see if

is 78H05

Page 6

•

REGULATOR

HEATSINK

Refer to Pictorial 2-3 (Illustration Booklet, De'tail 2-3A for

( ) Remove

UI01. the

WARNING: You thermal this discomfort if it gets rinse gets on cleaning, compound traces of CO

( ) Locate

( )

compound

your

small

Spread a small onto circuit the

the

following steps.

the

two

screws

Then

remove

screws

so

compound.

aside.

will

in

is

not

eyes

with

clothing,

handle

contains

,

2

the

thermal

slit

in

one

the

UA78H05SC or MC78T05

(#442-651).

and

be

using

the

following steps.

caustic, it

into

your

warm

the

zinc

amount

water.

it

may

compound

oxides,

compound

side.

Squeeze

that

discard

Dow

may

cause

eyes.

If

require

Si02 and

of

thermal

the

hold

the

Corning

If

this

the

carefully.

pod

Detail 2-3A

Page

3)

and

IC socket

IC,

and

set

340

Although

temporary

happens,

compound

professional

This

slight

and

make

a

compound

integrated to

remove

( )

Spread a small

on

UI0l:

( )

space the

socket is

in

the

you

NOTE:

UI02 tion." these

( )

If

and

If

locations,

Remount ulator fore.

amount

the

back of

Refer to Detail 2-3A

of

regulator

heat

removed

your

UI03,

your

heat

the

Ie.

Install

heat

properly

sink,

and

earlier.

Computer

proceed

Computer

proceed

the

IC

regulator

sink

and

the

IC

regulator

sink

and

of

regulator

the

sink

at

seated

then

already

to

"Power

does

with

thermal

in install

not

the

thermal

heat

and

IC

in

UI01.

its

has

have following steps.

at

UI02. compound

at

UI03. compound

compound

sink.

note

the

socket

Be

sure

mounting

the

two

heat

sinks

Supply

Installa-

heat

Use a reg-

Use

sinks

wide

and

the

holes

screws

at

as be-

a regas be-

POWER SUPPLY INSTALLATION

Again

( )

If

Otherwise,

( )

refer to Pictorial 2-2 for

Remount four

Remount the

6-32

four

6-32 x 1/4"

the hex

the

power

spacers

power

earlier. NOTE:

installed

at A,

shown.

you

have

a voltmeter,

proceed

Connect sink

as

shown.

the

common

to

If

your

you

"CPU

the

supply

you

removed

supply

screws

unit

must

reinstall

make

the

Circuit

voltmeter

following steps.

heat

circuit

that had a lockwasher

following tests.

Board."

lead

sink

with

earlier.

board

you

removed

it at A as

to

the

with

heat

(/J

U518: Remove 2732 IC (#444-84) at U518. has

the

16K

adapter

temporarily

programmed

a

not

(/)

U550: Remove the removed

(-r

Remove

be

I/O

remove

needed

decoder

part

and

will

set

U557.

If

you

(NOTE:

IC's

must

ever

be reinstalled.)

the

IC at U518.

circuit

it if necessary.)

PROM.

The

Then

(If

your

board

This

removed

install Computer

installed,

part

further.

and

discard

the

Ie.

Then

ROM IC (#444-61) at U550.

not

be

aside

remove

needed

the

2-89-37,

further.

IC's at U558

then

Page 7

the

part

is

will

install

The

and

these

NOTE: following and

( )

If

you

correct

Plug

Measure

+5.5

Measure

+5.5

Measure

+13.2

Turn cord.

do

steps,

the

in

the

TPl.

volts

TP2.

volts

TP3.

volts

off

Then

not

obtain

immediately

problem

line

cord

The

De.

The

DC.

The

De.

the

Computer

disconnect

aside.

CPU CIRCUIT BOARD

Refer to

( )

Pictorials

Reconnect supply

circuit

2-2

and

the

four cable

board.

the

unplug

before

and

turn

voltage

and

the

2-3 for

(Also

proper

results

the

you

proceed.

on

the

should

unplug

voltmeter

the

following step.

plugs

to

see

Pictorial 2-3.)

in

the

line

cord

Computer.

be

+4.5

be

+4.5

be

+10.8

the

line

and

set it

the

power

to

IIIll

1~~~~r·1r

PI. I Pl. I POI I

".

I PI•

rc LEADS

.\

Again

/U516:

( )

refer to Pictorial 2-1 for

Refer to

and

remove

and

2-1A U516.

This

removed

the

install

part

inset

drawing

IC at U516.

the

is a

programmed

will

not

the

#1

Then

745188

be

needed

following steps.

on Pictorial 2-1

refer to Detail

IC (#444-83) at

PROM,

the

further.

Detail

INDEX

MARK

2·1A

Page 8

I BOARD I

PICTORIAL 2-5

H-88-1

fLOPPY

I/O

CIRCUIT

1

DISK

Page 9

Refer to Pictorial 2-4 (Illustration Booklet, the

following steps.

On

the

left

side

ofthe

CPU

( )

of four Pictorial. Remove will

not

two

plugs

be

changed.

( )

Plug

onto nector Plug Be

sure nected bered

off.

The

This

NOTE:

cut

( L) U558:

U558. Be end

properly.

( )

Plug cable to

position

dot

or arrow)

programming

be used).

from 0 to 1.

one

end

the

top

plug

plugs

onto

the

other

the

center

to

14 of

from

top

20-pin

plug

indicates

Install

the

with

the

sure

to

indicated

connectors

the

oftheplug

plugs

and

set

Then

The

of

the

3"

near

U518. (Be

all

three

end

of

the

hole

of

the

plug.

to bottom.)

with

jumper

1 of

20-pin

position

end

into

pin 1 end

into

circuit

aside

reposition

bottom

wire

the

plug

the

of

socket

(marked

board

as

shown

the

plug

with

sure

pins

of

onto

connector

(The

plug

has

plug.

with

plug

with

the

16-conductor U557. Be

the

pin 1 end

socket.

Page

4) for

is a

in

top

plug

the

middle

will

connectors

the

con-

the

plug.)

plug

P508.

is con-

is

num-

one

corner

jumper

the

sure

with

a color

of

row

the

(it

not

at

the

Install

plug nector the

other

proceed

the

4700 n

P512. Be

plugs

connector

Otherwise,

( )

Proceed to "CPU Installation."

Z-89-47

For a

system Z-89-47 I/O and

P512. However, before properly resistor Return Company this

modification. tion

yourself,

1

(yellow-violet-red), the

resistor (see resistor side (not board

when

must

the

Z-89-47

or a

between

the

as

shown

to operate

board

plugged

be

added

Zenith

use

component

in

Page 5).

( ) Refer to Detail 2-6A

graming

plug

as follows:

resistor

sure

onto

pin 1 and

properly

should

into

to

circuit

Data

If

you

the

slide

the

inset

pins 1 and

the

center

plugs

be

installed

the

plugs

the

Z-89-47

board

System

want

to

4700

the

length

drawing),

12 of

side) of

with

connectors

hole

of

the

center

onto

12.

with

the

Z-89-37,

at

plugs

Z-89-47

P506

will

and

circuit

(#85-2442) to

Service

make

the

n,

1/4-watt

of sleeving over

and

plug

P2 on

the

Z-89-47

one

hole

P506

operate

P512, a

board.

Heath

Center

modifica-

resistor

solder

the

circuit

Pictorial 2-6 (Illustration Booklet,

and

set

the

170/174 pro-

tv 174.

onto con-

of

the

for

the

foil

If

you

do

NOT

circuit

board

programs

disks to with H-88-1

on Page 10.

double-density,

the

following

floppy

,

and

intend

in

data

disk

your

from

steps.

I/O,

to

use

system

single-density,

soft-sectored disks),

proceed

( ) Refer to Pictorial 2-5

If

you

mounting

are

going

bracket

to

use

and

the:

• Z-89-47 interface "Z-89-47,"

• Z-89-67 interface "Z-89-67."

the

(needed

If

you

and

the

circuit

H-88-1

do

intend

to "CPU

remove

H-88-1

board,

floppy

for

disk

transferring

hard-sectored

proceed

to

use

Installation"

the

accessory

circuit

board.

proceed

I/O

the

to

( ) Install

P512. Page

If

NOTE: plugs, be

you sure

Z-89-47

See

Pictorial 2-7 (Illustration Booklet,

6).

ever

move

to

remove

board

this

the

at

board

4700 n

plugs

to

another

resistor

P506

that

and

set

you

of

the

just installed.

Proceed to "CPU

Z-89-67

Installation."

( ) Refer to Pictorial 2-8 (Illustration Booklet, Page

and

6) to

reposition

the

indicated

programming

positions

on

plugs

the

Z-89-67 I/O

Jl

and

J2

board.

( ) Install

Z-89-67

board

at

plugs

P506

and

the P512. See Pictorial 2-7 (Illustration Booklet, Page 6).

Page 10

CPU INSTALLATION

( )

Again reinstall in cables as the

place

bottom

refer

the

CPU logic

with

shown.

right-hand

to

Pictorials

its

two

(Be

CPULOGIC

CIRCUIT

circuit

screws

sure

to

corner

BOARD

2-1

and

board.

and

reconnect

of

the

2-9, Secure

P513 in

board.)

and

it

the

CONTROLLER

Refer to Pictorial 2-10 for

Locate necessary, tion

J6. nected mined cut. See Pictorials 2-13

PROGRAMMING

the

plug

positions

move

the

programming

This

plug

selects

to

plug

P3. (Drive

by

how

the

drive

following

J4

through

which

numbers

programming

and

2-14, Booklet, Page 8). J4 = DS1, J5 = DS2, J6= DS3, and

(-.-j

r Be

Position are 48TPI

~

I

J7 = DS4

sure

, I

, '

'I

I:

~

I

"

~

I

: :

I'

. I

i!

i'

t

: i

i

~

<

!!

plugs

plug

Wanco

SERIAL

INTERFACE

CIRCUIT

BOARD

(presently

J1

and

J2 are at 170.

J3 at 1

unless

Model

not

supported).

any

of

82 drives.".

: !

I

lEI

steps.

J7

and,

plug

to posi-

drive

is con-

are

deter-

plugs

Illustration

your

drives

if

are

DCE

1340-347

PICTORIAL 2-9

*All drives connected to a single Z-89-37 should be of the same type.

If they are not, the precompensation will be wrong for at least one of

the drives. This will result in reduced data integrity and poor reliability.

Page 11

PICTORIAL 2-10

Page 12

CONTROLLER INSTALLATION

Refer to Pictorial 2-11 (Illustration Booklet, Page 7) for the

following steps.

( 1 Remove

moving

this

(... ) Install

and

Plug

nectors shown.

&('Refer to

mount cable to ground head nuts. cable as move

the

accessory

the

two

has

not

already

the

wired controller

P510.

the

free

end

into

IC socket P5

Then

the

inset

the

larger

the

rear

plate,

screws,

Be

sure

two to

shown.

the

rear panel.)

mounting

screws

that

been

done).

circuit

of

the

16-wire cable

with

neatly

dra

route

wing

on Pictorial 2-11

connector

panel

at FR-1 as

two

4-40 x 9/16" black

#410ckwashers,

position

the

hold it in

the

cable as

of

the

marked

bracket by re-

board at P504

with

pin 1 end

extension

shown.

and

edge

(If necessary, temporarily re-

place

con-

shown.

and

Use a

phillips

two

4-40

ofthe

(if

as

( ) Route

( \) If you are using a

the

extension cable as

into

the

bottom circuit board. cable as

the into

shown.

smaller

the

indicated

connector

circuit board plug

the

free

connector

Position

drive

connector

(with

the

end

of

the

of

the

marked

in

your

the

marked

cable

shown

the

new

computer,

new

floppy cable

of

the edge up)

into

and

plug

controller

edge

of

controller

your

floppy

it

the

plug

and

drive as before.

( )

Remount its

two

the

accessory

screws.

mounting

bracket

with

DRIVE PROGRAMMING

Refer to select figuration Eis

the

following

the

configuration

normally

chart

and

that

fits

used

for transferring

Pictorial 2-12,

your

situation. Con-

data

and

and programs from hard-sectored disks to soft-sectored disks.

FLOPPY DISK CONTROLLER BOARD(S)

A

H~8·1

H~8-1

B

C

Z~9-37

D

H~8-1 & Z~9-37

E

TYPES OF DRIVES:

• 48 TPI (H-17-1) .96

TPI (H-17-4)

48 TPI (H-17-1) only. Internal drive present

48 TPI (H-17-1) only Internal drive absent

Either* Internal drive present

Either* Intemal drive absent

Either*

Internal drive present

Drive 0

DS3 DS2

No drive installed

DS1

(Z~9-37

jumper installed at J4)

No drive installed

(Z~9-37

at J7)

DS3 [Drive 0 is 48 TPI (H-17-1)

drive connected to

H-88·1.

jumper installed at J6. ]

jumper installed

Z~9-37

Drive 1 Drive 2

DS3

DS2

DS1 DS2

DS1 (Drive 0 connected

to

Z~9-37)

DS1

DS2

DS3

DS2 (Drive connected

Z~9-37)

DRIVE

~

DRIVE

1 2

Page 13

DRIVE

------------

PICfORIAL

After you select Pictorial 2-13 (Illustration Booklet, Page 8) to program

any

48TPI (H-17-1) drives, or Pictorial 2-14 (Il-

lustration

(H-17-4)drives. drives single-density ming drives, ting replacing dip supplied

( )

programmed

by

physically

interchanging

the

programming

switch.

for

Again cabinet

the

configuration

Booklet, Page 8) to

[Pictorial

controller.]

the

programming

Two

use

if you

refer to

top

and

uncut

2-15

to

be

You

interchanging

the

programming

plugs

(if

programming

need

Pictorial

reconnect

you

program

shows

used

with

can

do

preprogrammed

presently

plug

with a properly

them.

1-1

and

the

fan.

want,

refer to

any

96 TPI

48 TPI (H-17-1)

the

H-88-1,

this

program-

plugs,

uncut); or by

replace

plugs

cut-

set

are

the

~

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