SSM VB1C User manual

VBle

Memory Mapped

:Video Board

Instruction Manual

INsrRIJCI'ION

MANUAL

SSM

t-lICROCCMPUTER

PROOOCTS,

INC.

2190

Paragon

Drive

San

Jose,

california

95131

Telephone:

(408) 946-7400

'lWX: 910-338-2077

Telex:

171171

DOD:

(408) 946-3644 (110 Baud)

VBlC

tradanark

SSt1

Microcomputer

Products,

Inc~

Written

Malcolm

Wright

Edited

Dan

Fischler

Illustrated

Judith

Sisko

1980

Sa.1

MICROCDMPUTER

PROWerS,

INC.

All

Rights

Reserved

Part

No.

MN0021

January

1982

1.0

INT.RODUCTION

2.0

ASSa.mLY

INSTmCl'ICES

2.1

Unpacking

2.2

Resistor

Installation

2.3

Diode

Installation

2.4

Socket

Installation

2.5

Capacitor

Installation

2.6

Transistor

Installation

Crystal

Installation

2.8

Regulator

Installation

2.9

Coonector,

Beder

and switch

Installation

3.0

FUNcrIONAL ClIECK/IC

INSI'ALLATICN

3.1

Short

Test

3.2

Voltage

Check

3.3

Power

Resistor

Installation

3.4

Visual

Inspection

3.5

Installation

4.0

SmTIl'G

YOUR

VBlC

4.1

AcXlressing

4.2

32 Characters

per

Line

Selection

4.3

Graphics

Inverse

Video

Selection

4.4

Graphics

Patterns

4.5

Blanking/MSB Control

5.0

THEDRY

OPERATION

5.1

General

Infornation

5.2

Sync Generation

5.3

Addressing

5.4

Picture

Formation

5.5

Power

Supplies

5.6

Blanking

6.0

OOFIWARE

6.1

Video Board Driver

6.2

Video Board Demonstration Routine

6.3

Graphics

Interface

Subroutine

6.4

DooOle

Graphics Demonstration

6.5

Video

Test

Routine

6.6

Memory

Test

Routine

rmaJBLESHOCYrIN;

BINI'S

8.0

WARRANI'Y

APPENDIX:

Assembly Drawing

Parts

List

Schematic

(Insert)

1.0

IHlKDJCI'Im

The

SSM

VB1C

provides

a memory mapped

video

display

for

any

S-lOO

bus

canp:ltible

microcanputer.

The

VB1C

features

such

capabilities

characters

per

line

(switch

selectable)

lines,

upper

and

lower

case

with

descenders,

Greek

characters,

graphic

symbols,

black-on-white

white-on-black

display,

7 x 9

character

matrix,

and

on-board

RAM.

The

VB1C

fully

comFEltible

with

the

proposed IEEE 696

standard,

with

two

exceptions:

the

VB1C

uses

the

clock

bus

instead

the

new

PSTVAL

signal1

and

2) when

the

CPU

reads

data

from

the

VBIC,

data

transferred

back

without

the

use

the

and

PDBIN

signals.

suggest

that

you

read

this

entire

manual

before

either

starting

assembly

use

improve

your

understanding

the

board

and

make

its

set-up

and

use

that

much

easier.

RYrES:

The

VBIC

meets

the

following

IEEE 696

compliance

levels:

08,

M16,

NI,

T250,

we,

SH.

All

references

the

board

assume

that

the

board

has

the

100-pin

connector

the

lower

edge,

and

the

component

side

(the

side

with

the

silk

screen)

facing

you.

Z-oo

trademark

ZIUX; INC., 10340

Bubb

Road, CUpertino,

95014.

8080

and

8085

are

trademarks

INI'EL

CDRP.,

3065 Bowers Avenue,

Santa

Clara,

95051.

1-1

Refer

the

Assembly

Drawing

the

APPENDIX

during

assembly

and

test

procedures.

2.1

UNPACKIN:;

[]

Unpack

and

check

each

the

~rts

against

the

PARTS

LIST

provided.

good

idea

arrange

the

parts

small

tray

box

allow

for

easy

identification

and

access

ibil

during

assembly.

2.2

RESImoR

INsrALLATI~

NOTE:

sure

that

all

resistors

and

diodes

are

flush

against

the

board.

This

will

insure

proper

socket

installation.

NO'!'

install

R21

and

R22

this

ti.me.

[]

Install

and

solder

SIX

(6)

100

ohm

(brown,

black,

brown>

resistors

locations

Rl,

and

5-8.

]

Install

and

solder

TEN (10) 2.7K ohm

(red,

violet,

red)

resistors

locations

R4,

11-18,

and

24.

[]

Install

and

solder

ONE

(1)

lK ohm

(brown,

black,

red)

resistor

location

R23.

[]

Install

and

solder

ONE

(1) 220 ohm

(red,

red,

brown)

resistor

location

R3.

[]

Install

and

solder

TVD

(2)

470

ohm

(yellow,

violet,

brown>

resistors

locations

and

10.

2.3

DIODE

INsrALIATION

[]

Install

and

solder

ONE

(1)

0070

germanium

signal

diode

location

CRl.

Use

caution

installing

this

component-the

banded

end

(+)

MUST

the

board.

2.4

SOCl<ET

INSl'ALLATION

RJ'l'E:

tUl'

install

integrated

circuits

until

SI8=ifiallly

instructed

so.

[]

Install

the

14, 16,

and

sockets

the

printed

circuit

board.

Orient

towards

the

top

the

board

the

left,

applicable.

See

Figure

for

information

locating

1 on

each

socket.

CAO'l'IONl

ROT

install

socket

location

81.

switch

will

installed

this

location

later

step.

2-1

Three

(3)

Nine (9)

Twenty-five

(25)

Three

(3)

SYMBOL~

INDEX

---

8-pin

sockets

tn-3

14-pin

sockets

U4,10-13,17,18,20,21

16-pin

sockets

06-8,14,19,22-29,31-42

24-pin

sockets

,15

,16

SOcket

'l'ypes

NOEX-..

FIGURE

[]

When

all

sockets

are

inserted,

plaoo

pieoo

stiff

cardboard

over

the

sockets

hold

them

place

and

turn

the

board

over

expose

the

reverse

side.

[]

each

socket,

solder

and

the

diagonally

opposite

'tack'

(lightly

solder)

each

socket

place.

When

all

sockets

are

tacked

plaoo,

tum

the

board

over

and examine

each

socket

make

sure

flush

against

the

board.

needed,

reheat

the

pins

and

adjust

any

sockets

not

firmly

mounted.

[]

When

all

the

sockets

are

pro~rly

seated,

solder

the

remaining

pins

each

socket.

not

overheat.

2.5

CAPACrroR

INSI'ALLATION

[]

Install

and

solder

TEN

(10) 0.1

monolithic

capacitors

loca

tions

Cl,

5-9,

and 11-13.

[]

Install

and

solder

ONE

(1)

47-56

disc

capacitor

location

C4.

[]

Install

and

solder

ONE

(1)

.0033

disc

cap;tcitor

location

C17.

[]

Install

and

solder

TWO

(2)

ufaxial

capacitors

locations

and

CI0.

Use

caution

installing

these

components--c3

and

ClO

MUST

have

the

positive

(+)

the

RIGlr

side

the

board

[]

Install

and

solder

ONE

(1)

4.7

ufaxial

capacitor

location

C14.

USe

cantion

install

jog

this

-raonent-cl.4

MDsr

have

the

positive

(+)

end

the

LEFT

side

the

board.

2.6

TRANSISTOR

INSTALLATION

(]

Install

and

solder

ONE

(1) 2N3904

transistor

location

Ql.

Again,

use

caution

installing

this

component;

refer

Figure

for

proper

orientation.

Use

caution

that

the

lead

closest

the

bottoa

the

board

roES

HJT

touch

B8.

2-2

Top

View

TOP

,-OAR;)

FlquRE 2

7 ffiYSI'AL

INSTALLATICN

[]

Install

and

solder

ONE

(1)

12.44

MHz

crystal

location

YI.

Two

holes

have

been

provided

either

side

the

crystal

solder

strap

over

the

crystal

hold

place.

Use a

resistor

lead

make

this

strap.

IX)

RJT

overheat

the

crystal.

2.8

REGJLA'IDR INsrALLATION

[]

Place

TW)

(2)

7805

regulators

the

board

that

the

mOlIDting

hole

the

regulator

line

with

the

hole

the

board.

Mark

the

leads

for

proper

bending

match

the

holes

the

board

(allow

for

bend

radius).

Bend

the

regulator

leads

match

the

holes

the

board.

[]

available,

apply

thermal

compound

the

back

side

each

regulator

case

(the

side

that

will

contact

the

heats

ink)

•

Use

just

little

thermal

canpound.

Too

much

worse

than

none

alL

Install

and

solder

TWO

(2)

7805

regulators

locations

and

U30

that

the

following

order

results

from back

front:

screw,

board,

heatsink,

regulator,

lock

washer,

and

nut.

sure

that

the

regulators

and

heatsinks

sit

flat

the

board

and

then

solder

all

regulator

leads.

2.9

OONNECIDR,

HEADER

AND

SiI'lQI

INSTALLATlOO

Install

and

solder

(1)

4-pin

molex

connector

location

such

that

the

short

pins

are

inserted

the

board.

sure

that

the

teflon

base

sits

flat

against

the

board.

Install

and

solder

ONE

(1)

2-pin

molex

connector

location

such

that

the

short

pins

are

inserted

the

board.

Again,

sure

that

the

teflon

base

sits

flat

against

the

board.

Install

and

solder

ONE

(1)

3-pin

header

location

EI-E3.

[]

Install

and

solder

ONE

(1)

8-position

DIP

switch

location

Sl.

Orient

the

switch

with

position

the

top

the

board.

this

point

the

only

parts

yet

IOOlIDted

are

the

two power

resistors

and

all

the

ICs.

OOT

INsrALL

'lHESE

PARTS

'!HIS

TIME.

2-3

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