Industrial Micro Systems 464 User Manual

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INDUSTRIAL

64K

DYNAMIC RANDOM

MICRO

MODEL

ACCESS

SYSTEMS.

464

MEMORY BOARD

INC.

***********************************.****************************************.*.

2MHZ OR 4MHZ OPERATION

•

PARITY

•

PHANTOM LINE

•

BANK

•

V

FRONT PANEL COMPATIBLE

•

CIRCUITRY

SELECT

(pIN

LOGIC

67)

•

8080

HIDDEN

NO

LOW

.6A

OR

WAIT

POWER

Z80

OPERATION

REFRESH

STATES

CONSUMPTION

+8

VOLTS

(Ml

CYCLE)

'---"

"-'

"-

•

MOOELS

"

GENERAL

The circuits. reliable

The configurations,

Two byte disabled Selection),

SELECTABLE PORT

AVAILABLE

PESCRIPTION

Model

464

modes

banks

464

The

operarions.

board

of

occupy

and

each

boards

the

operation

IN

Dynamic

are

may

memory is

contiguous

16K

ADDRESS

HK.

Ram

tested

be

ordered

are

provided,

byte

48K.

Memory

organized

address space.

bank

and

OR

Boardisfully

burned

as a

into

Normal Mode and Bank Mode.

may

64K

in

32K,

16K

be

at

70

48K,

byte

In

the

mapped

buffered

degrees

or

banks.

bank

into

.ZA

.001A

and

centigrade

64K

memory

mode

selected

+16

VOLTS

-16

-

uses 16K X 1

of

op~ation,

VOLTS

under

board.

In

the

quadrants

diagnostic

bit

dynamic memory

test

In

each

normal

the of

mode,

board

memory (see Bank

to

of

the

is

initially

insure

these

16K

The

464

feature.

board

The

providesa"Phantom

user

may also

configure

Line"

the

input

board

for

to

systems

accept

with

ROM

the

front

INDUSTRIAL

D00464

panel

memories which

deposit

MICRO

REV A

signal,

8/12/80

utilize

M-WRITE.

\

SYSTEMS.

Page1of

this

INC.

6

The

464 during reads checked indicator from

the

board

every memory

total

are

on

memory

featuresaparity

number even, the

board

board's

write

of

Parity

is

I/O

such

"1"

errors

lighted

Port.

circuit

that

bits

are checked.

to

the

total

during

indicate

provide

memory reads

the

increased

number

The

error,

of

"1"

parity

The

data error

can

status

security.

bits

written

interrupt

is

of

set

the

are

if

or

parity

A

odd. the stop

parity

number

the

circuit

bit

is

written

During

CPU. A LED

of

may

memory

"1"

bits

be

read

· --

r-

J

CONFIGURING

PHANTOM LINE OACK JO)

The

phantom

Line. rear

aD

Note:

affected

EN

THE

This

I/O

The for

shunt. the for

1£

this

of

the

must

be

The

by

I/O

OACK JB)

"EN

I/O"

will

be necessary

SELECTION

selection

the

respective

Thus,

bottom

the

board

THE

signal

is

board.

connected

Phantom

the

Phantom

(Enable I/O)

of

the

to

four

shunts

to

respond

464

(pin

not

desirable,

when

for

OACK

boards

address

program

BOARD

67)

Line

Line. . ,

bank

JC)

(4-7)

to

shuntisetched

then

the

using

I/O

the

464

affects

shunt

bits

would

memory

JB

must

modeorparity

address

(AO-A7)

address

be

I/O

command.)

is

OFH

installed

so

etch

board

done

of

that

the

connecting

with

read

operations

be

installed

operations.

on

jack

the

I/O

the

top

("O's"),

board

the

Industrial

for

JC.

address.

four

shunts

(Note

will

be

two

pads

Micro

only.

the

The

Memory

board

jackislabeled

A

"1"

(0-3)

that

disabled

of

JD (PH) may

System

to

respond

is

programmed

would

the

liEN

by

CPU

write

be

1/0"

an

activated

boards,)

operations

to

0-7

(top

removed

shunt

Phantom

be

cut

on

the

are

not

I/O

commands.

to

bottom)

by remoyin¥ a

("l's")

must

be

and

on

-...J

.J

CPU

The

FRONT

(FP)

MEMORY

L

should

If

the

The

position

should

8080

position.

JA

SELECTION

be

464

not

OACK

shunt

removed.

PANEL OACK JH)

SPEED

shunt

be

board

controls

is

for

changed.

(JF)

should

is

to

be

OACK JA)

the

250NS

High

JF)

be

used

timing

RAMS.

speed

installed

with

of

for

systems

an

"IMSAI"

the

memory

This

shunt

operationisrequired

using

front

board.

is

factory

8080

CPU's.

panel,

the

TheHposition

installed

for

the

2-80

shunt

on

For

2-80

JH

must

is

for

the

H

processor.

systems

be

in

200NS

position

this

shunt

the

right-most

RAMS

and

and normally

, i

the

INDUSTRIAL

000464

REV A

MICRO

8/12/80

SYSTEMS.

Page2of

INC.

6

PARITY

Jack

JG

INTERRUPT

allows

selection

OACK

of

eight

JG)

different

responses

toaparity

error.

The

selections

are:

SHUNT

VIl

VI2

VB

VI4 VI5 INT

NMI

RDY

When power error memory circuit.

The A

NORMAL/BANK The

In

to

using

is

initially

circuit

board.

state

of

"1"

bit

indicatesaparity

"bank"

this

mode

be

bank selected,

the

must

the

mode

the

POSITION

parity

applied

be

reset.

The

Power

parity

MODE

shunt

circuit

board

this

error

to

error

OACK

should

will

shunt

S100 BUS PIN NO.

05

07 09

73 12

72

circuit,

condition

The

On

Clear

may be sensed

has

JE)

be

installed

respond

should

the

all

parity

signal

occurred.

to

all addresses

be

installed.

06

08

user

the

parity

error

circuit

(POC

by

reading

onlyifthe

must

bits.

from

INTERRUPT

VECTORED INTERRUPT 1

VECTORED INTERRUPT 2 VECTORED INTERRUPT 3 VECTORED INTERRUPT 4 VECTORED INTERRUPT 5 PINT Line

Non-maskable

PRDY Line (Parity initially

is

reset

99

bit

boardisto

After

on

"0"

0000

write

the

by any

S100

of

be

to

SELECTEp

INT

into

memoryisinitialized,

output

bus)

also

the

I/O

used

in

FFFF

hex.

(Z-80

Error

all memory

port

the

to

the

resets

on

Bank

For

only)

the

Stops

memories

CPU)

locations

I/O

port

the

parity

memory

Switched

the

parity

on

error

board.

mode.

that

after

the

are

NORMAL MODE

In

the

normal mode,

space

to

BANK In

is following

can

configuration,

the

not

0000

board's

MOPE

be

Bank

done

table.

used

thru

OUTPUT

Mode

on

ina16K,

shunt

FFFF

I/O

Port.

BIT

BIT BIT 2 BIT

(Shunt

a

bit

Initially,

Bank 3isomitted.

JE removed,

hex.

0

1

3

In

A

"one"

DATA

JE installed)

basis.

the

32K or 48K

the

this

mode, each 16K

bit

disables

CONTROLLED

the

Codes

board

bank

When

are

is

orderedina 32K

four

the

board

provided

deselected

selection

16K memory banks occupy

bank

may be

associated

0000-3FFF 4000-7FFF

8000-BFFF

COOO-FFFF

responds ro a

by

scheme. When

bank.

MEMORY

for

a

the

Power

configuration,

controlled

Control

BANK

(omitted (omitted

combmation

variety

On

the

of

configurations

Clear signal.

464

Banks 2

the

entire

individually

is

on a

bit

(HEX)

in

32K version)

in

32K & 48K

of

bits

and

board

is ordered

and3are

16

basis,

defined

The

bit

by an

version)

bank

464

address

output

thus:

selection

in

memory

in

a 48K

omitted.

the

INDUSTRIAL

000464

REV

MICRO

A

8/12/80

SYSTEMS,

Page3of

INC.

6

BANK MODE TABLE

.-

OUTPUT

o

1

2 3

4

5

6

7

8 9

A

B

C

D

B

F

DATA

All Banks Banks Banks Banks 0 & 1 Banks

Bank Bank0Occupies Bank Bank Bank

Bank 3 Occupies

Bank

Bank 3 Occupies Bank Bank 3

STANDARD CONFIGURATION

IMS

supplies

the

464

board

configured

MEMORY MAPPING

Banks

Deselected

0 & 1 2 & 3 0,

2 & 3 Occupy

0 Occupies Addresses

1 Occupies Addresses 1 Occupies 2 Occupies Addresses

2 Occupies

3 Occupies

Occupy

1, & 2 Occupy

Occupy

Addresses

Addresses Addresses Addresses Addresses

Occupies

as

follows:

Addresses

8000-FFFF

OOOO-BFFF (48K) 0000-7FFF 0000-7FFF

COOO-FFFF (16K)

0000-3FFF 0000-3FFF COOO-FFFF (16K) 0000-3FFF

0000-3FFF

COOO-FFFF (16K)

4000-7FFF 8000-BFFF COOO-FFFF

(32K)

(32K) (32K)

(l6K) (l6K)

(l6K)

J

Four serve

Note:

JACK

JA

JB JC

JD

JB JF JG

JH

spare

as a

464

DESCRIPTION

Memory

En

I/O

Phantom

Normal/Bank Mode CPU

Parity

Front

shunts

convenient

boards

Speed

I/O

Selection

Interrupt

Panel

are

installed

place

shipped

Line

to

in

on

store

systems

the

spare

STANDARD

H Open

All

Shunted(Etch)

Open

All

Left

upper

will

pins

shunts.

normally

Position

Positions

Open

Position

of

be

CONFIGURATION

Shunted

Jack

G.

These

configured

to

pins

are

all

connected

the

system requirements.

by

etch

.,

and

INDUSTRIAL

000464

REV A

MICRO

8/12/80

SYSTEMS

Page4of

INC.

6

Industrial Micro Systems 464 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual