Epson SMD-100 series User manual

SPECIFICATIONS

FOR

FLOPPY

DISK

DRIVES

SMD

100

Normal

Power

31/2 "

EPSON

Technologie,die

Zeichen

setzt.

•

Japanisches

QuaUtätsprodukt

- - . ' .

3V2-ZoH-Floppy-Disk-Laufwerk

~

, I •

SHUGART-Bus

kompatibel

über

Jeden

5!14

"-ControHer

zu

, .

betreiben

•

Single-Side

40

Tracks

ii!'!I

Mit

2

Laufwerken

und

der

Special-

ControHer-Karte,

Best.-Nr.

0600219

. . .

...

.

..

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248,-

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läßt

sich

preiswert

und

einfach

eine

Doppel-Floppy-Station

für

Apple

realisieren.

EPSON-Floppy-

Laufwerk

"SMD-110":

Preisvorteil:

60 %

unter

dem

derzeitigen

Markt-

preis.

Druckguß-

Chassis

;

durch-

kontaktierte

Epoxy-

Leiterplatte,

schwarze

Front

mit

LED.

Betrieb

an

Apple

mit

Special-

Controller

-

Karte

(Best.-Nr.

0600219).

Einbaulage

unabhängig.

LxB

xH

:

147,5

x

105

x

42

mm.

Best.-Nr.

9910493

. . . . . . . . . . . . .

..

.

...

159,-

DM

ab

2

Stück

.............

.

..

je

149,-

DM

Manual

(24

Seiten,

eng!.)

Best.-Nr.

9910509

...........

....

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$Wlflj&U

CelectroniC)

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9910509

3,95

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Versand

und

Zentrale:

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Postf.

5320

Telefon:

(0531)

87620

Telex

952547

5

PAGE

1 •

Scope

.

................................

.

2.

General

5

General

Specifications

6

~

.

Detailed

Specifications

9

4-1

Configuration

01

interface

signals

9

4-1-1

Electrical

specificationsof

input

signals

.. 9

4-1-2

Function

of'

input

signals

9

( 1 )

Drive

select

0 J ·...... 9

(2)

Hotor

on

..... ..

10

(J)

Direction

..... ·...

..

10

(

~

)

Step

...... ·

......

·........

10

(5)

H'rite

gate

.... ......... ·......

10

~

(6

)

Write

data

.................. .

.........

10

(7

)

Side

select

·........

...........

11

( 8 )

In

use

.......·

.........

............

11

4-1-4

Option

functions

11

4-1-5

Electrical

specifications

of

the

output

signals

12

4-1-6

Function

of

the

output

signals

·

12

...

( 1 )

Ready

12

(2

)

Track

00

13

( J )

Index

·... 13

(4)

Read

data

13

(5

)

\lri

te

enable

13

4-1-7

Timing

................

14

Track

seek

timing

14

Head

start

timing

........................

14

Read

data

timing

.........................

15

2

( II )

\-Iri

te

start

timing.

15

(5)

Write

data

timing

.......

15

(6)

Control

data

timing

.................

16

4-2

Power

supply

inter~ace

17

4-2-1

Power

supply

specifications

17

4-2-2

Connectors

17

Power

supply

line

~.

17

Signal

lines

18

4-2-)

State

of'

wait

19

4-2-4

Connectors

..

19

Installation

19

4-3

5,

3.5

Flexible

Disks

20

5-1

Appearance

20

5-2

Recomrnendable

medium.

20

6.

Outline

Dimension

Drawing

.•............•.....•.....••

21

7.

Notes

on

Use

oi'

Drive

24

7-1

Power

su?ply

24

7-2

Interface

24

"7-)

Error

rate

25

7-4

Caution

25

7-5

Installation

of

drive

25

7-6

Beat

generation

25

8.

Format

•••••••••••••••

0

••••••••••••••••••••••••••••••

26

8-1

IBM

Track

Format

.................................

26

8-2

ISO

Disk

Format

.................................

26

3

1.

Seope

This

speeifieation

applies,

to

SMD-l00

series

(normal

power

consumption

type)

disk

drives

for

3.5"

flexible

dlsks.

2.

General

SHD-l00

series

(normal

power

eonsumption)

drives

are

flexible

disk

drives

designed

to

be

used

as

external

memories

for

personal

computers,

word

processors,

ete.

The

features

of

the

SHD-100

series

drives

are

described

be

10Yl •

(,)

Low

power

consumption:

SMD-l00

series

drives

operate

on

only

2.

lW

(wait)

and

5.2W

(read/write)

power.

(2)

Memory

medium

used

i8

3.5

11

flexible

di.sk

encased

in

a

hard

cartridge

er

equivalent.

(3)

The

disks

used

have

a

storage

capacity

of

500K

bytes

per

aide

(equiva-

lent

to

a

eonventional

single-sided,

double-density

5.25"

floppy

di

sk).

( 4) Hi

gh

t r

ac

k

den

si

ty

(1

35

TP

I)

(S

tvt

0 - 1 4 0 . 1 3 0 )

(5)

Use

of

oe

brushless

spindle

drives

assures

long,

trouble-free

service

life.

(6)

The

head

positioning

meehanism

employs

a

step

motor

and

a

steel

band

enabling

fast

(3msee)

access

between

tracks.

(S

M 0 - 1 4 0 , 1 3 0 )

(7)

The

interface

employed

is

fully

compatible

with

conventional

disk

qrives,

enabling

easy

replacement.

(8)

The

small

aize

and

light

weight

(800g)

of

the

SMD-l00

series

drives

make

thßm

ideally

suited

to

a

wide

variety

of

applications.

4

3.

General

Specifications

Model

Unformatted

(Kbytes)

FM

Memory

HFM 1

Capacity

I

Formatted

(Kbytes)

~'H

1

I

(16

sectors/tracksl

IHFM I

Recording

density

(BPI)

I

FM

I

HFHJ

Data

transfer

speed

(Kbi1

/sec)

IFM I

I

MFM

I

Track

density

(TPI)

Average

rotation

wait

time

(rnsec)

Average

Settliinq

time

He

ad

load

ti.me

Total

Number

of

tracks

160

80

40

Inner

track

radius

(mm)

Side

0

24.6875

24.

8

'7

5

side

1

23.1875{

23.375

Outer

track

radius

(mm)

Side

0

39.50 39.50

Side

1

38.00

Recording

methods

FM/MFM

R/W

head

TUnnel

erase

type

No.

of

heads

2 2

Head

positioning

method

Step

motor

Type

Direct

drive

Spindle

motor

Start-up

time

(sec)

1

.0

1

.0

Rotation

speed

(rpm)

300 300

5

Model

I

SMD-140

I

SMD-130

I

SMD-120

I

SMD~11

0 I

Index

detector

I

Noncontact

detection

method

I

Detector

I~Tr

a_c_k

O_O

d_e_t_e_c_t_o_r

~I~N_o_n

c_o_n

t_a_c

t d

e_t_e

c_t_i

o_n

m

e_t_h

o_d

~1

__

__ __

____________

__ __ __

__

__ __ __ ____ __

____

I

Write

enable

detector

I

Contact

detection

method

I

Cartridge

set

detector

I

Contact

detection

method

I

Environmental

conditions

I

Temperature

I 5

to

45°C

I

(Operating)

1

Humidity

I

20

to

80%

RH

(non-condensinq)

I

Hax.

we

t

bUl~

29°C

I

temper

a

ture

I I

I

Vibration

15

to

60Hz,

O.6G

max.

I

Environmental

conditions

Tem

pe

ra

tu

re

I-20 t 0

65°C

(-

40 t 0 65

·C

t r

ans

po

r t ) I

(s

torage

and

transport)

Hurnidity

I

95%

RH

max.

(non-condensinq)

I

Vibration

I 5

to

60Hz,

3G

max.

1

Shock

I SOG

max.

Power

supply

I

+12V

(+5~)

Wait

I 60

mA

(TYP)

I

R/W

1 3 0 0mA C

TYP

)

I

Motor

start

85 0

mA

(

max

• )

+5V

(+5%)

wait

280 mA

(TYP)

R/W

320 mA

(TYP)

420'mA

(max.)

Power

consumption

Wai

t..

2.

1w

(TYP)

I

R/W

5.

2 H

(TYP)

I

Outline

dimensions

"

Width

101.6mm

Depth

147.5mw

Height

40mm

Weight

800g

L

I

Designed

orientations

Four

arienta

tions

•.

(

See

page

19

)

I

Ins

talla

tion

method

I

l

I

Applicable

disks

I

Screw

holds

on

the

side

and

lower

panels

of

the

disk

drive

are

used.

(See

page

22

I

Outline

Dimension

Drawing.

)

3.5

11

flexible

disk.

(For

details,

see

page

20.)

6

Model

SMD-140 I SMD-130 I SMD-120 I

SMD-l10

I

Re

liabi

1i

ty

I

MTBF

10,

000

POH

I

I~

__________

~

______

--------~

I f

MTTR

0.5h

I

I~

__________

~

______________

~

I I

Designed

service

life

5

years

I

I~

________

~

______________

~

I I

Sof

tware

error

ra

te

Less

than

1

bi

t

per

10

9

I

J~

__________

~

______________

~

I I

Hardware

error

rate

Less

than

1

bit

per

10

'2

I

I~

__________

~

______________

~

I I

Seek

error

rate

Less

than

1

seek

per

10

6

opera-

I I

tions

I I

Disk

service

life

3 x

10

6

passes/track

I I

Connector

Power

supp1y

AMP

171822-4

or

equivalent

Signals

JAE

PS-34SEo-04P1-1C/Oor

equiva1ent

Front

panel

material

ABS

resin

(Black)

Safety

standard

Conforms

to

UL

standard.

7

4.

Oetailed

Specifications

4.1

Configuration

of

interface

signals

Tha

SMD-l00

series

(low

power

consumption)

flexible

disk

drives

are

designed

so

that

a

maximum

of

4

drives

can

be

connected

in

a

daisy

chain

configuration.

All

signal

input

levels

are

~TL

compatible.

The

power

supply

and

interface

require

+SV

and

+12

V

power.

4.1.1

Electrical

specifications

of

input

signals

...

Low" :;

TRO

E

VIN:

OV

to

+O.4V

I

IN:

5mA

('l''iP)

"High"

FALSE

VIN:

+2.5V

to

+5.25V

IIN:

OmA

(open)

+sv

1

~

lk{l

D

~~----------~I~[

~

1438

5.

6

KO

C-MOa

The

terminating

resistance

array

is

set

at

the

correct

direction

(mark

is

inside)

in

the

single

line

socket

on

the

main

unit:

For

the

daisy

chain

connection;

resistance

array

can

be

only

installed

into

one of

the

(four)

drives.

Tbe

disk

drive

with

the

resistance

array

instal1ed

must

be

charged

with

current

in

order

to

operate

any of

the

drives.

4.1.2

Function

of

input

signals

(1)

Drive

select

0"

3

(080

,...

OS)}

A ll\axilnum

of

four

S1-10-100

sel."'ies

(low

power

consumption)

disk

drives

can

be

connected

in

a

daisy

chain

configuration.

Selection

of

the

drive

numbers

is

performed

by

SSl

of

the

DIe

connector

on

the

main

PCB.

When

this

switch

is

operated,

only

the

signals

from

the

selected

drives

will

be

input.

At

the

position

MX,

drive

is

selected

no

matter

~hat

state

of

drive

select

sigIlai.

8

(2)

Motor

ON

(MON)

The

spindle

drive

is

operated

when

this

signal

is

low.

However,

read

and

write

operations

are

only

performed

when

the

read

(ROY)

signal

is

low.

(If

the

dlsk

cartridqe

is

not

set

in

the

drive,

the

spindle

drive

will

not

operate.)

The

RDY

signal

goe5

low

within

one

second

after

the

MON

signal

15

input

when

a

disk

cartridge

has

been

set.

(3)

Direction

(DRTN)

This

signal

determines

the

direction

of

the

movement

of

the

step

motor

which

controls

the

movement

of

the

read/write

heads.

When

this

signal

i9

low,

the

read/write

head

will

move

toward

the

.

center

of

the

disk

and

when

it

1s

high,

toward

the

edge

of

the

dlsk.

(4)

Step

(STP)

The

low

pulse

of

this

s

~

gnal

causes

the

·s t e p

motor

to

move

in

the

direction

indicated

by

the

DRTN

signal.

The

response

step

cycle

(Ts

min.)

15

3ms/track

for

models

140/130

and

6ms/track

for

models

120/110.

When

the

write

gate

signal

1s

low,

step

1s

internally

inhibited.

Wben

the

s'eek

direction

i5

reversed,

the

reverse

step

pulse

must

be

sent

after

the

last

pulse

(Ts

min

+

6ettlinq

:

tlwe).

A:

Jms(mil)

B ""6ms(mn)

I

m.dmn\

1 3 0 )

A.

B

(SMD-120,

1 1 0 )

(5)

Wri

te

ga

te

fWTG)

This

signal

selects

between

read

and

write

data.

When

th1s

signal

1s

low,

write

data

1s

enabled

and

when

high,

read

data

1s

enabled.

Write

operations

to

a

cartridge

to

which

a

write

enable

cover

has

not

be~o

affixed

are

internally

inhibited

by

the

disk

drive.

After

the

WTO

signal

goes

high,

there

is

a

1.3ms

eraae

timing.

Fo'r

this

reason

the

see~

or

read

operation

will

not

begin

immediately.

(6)

Write

data

(WTO)

This

signal

transanits

the

write

data

that

is

beiog

written

to

the

disk.

The

fall

of

th1s

signal

from

high

to

low

causes

the

~rite

current

flowing

through

the

read/write

head

to

reverse

polarity.

'!his

signa

"l

is

operable

only

when

the

write

gate

signal

is

low.

9

-"+--r"

O.

25

11&(mh)

2. IlIs(

max)

FM

recordin9

(7)

Side

select

(SSL)

This

signal

selects

whether

the

upper

or

lower

read/write

head

will

be

used.

(upper

head)

11

HIGH"

1:

Side

0

(lower

head)

NOTE;

This

signal

is

used

only

~ith

models

SMD-l'O/SMD-120.

(8)

In

use

(IUL)

This

signal

is

used

to

turn

the

LED

on

the

front

panel

of

the

disk

drive

on

and

of

f.

When

this

signal

1s

low,

the

LED

turns

on

and

when

i t

i5

high,

the

LED

turns

of

f •

This

LED

is

controlled

by

the

drive

select

signal

as

the

factory-set

condi

tion.

"

4.1.4

Option

functians

By

operating

the

switches

on

the

PeB

of

the

SMD-l00

series

disk.drive

it

is

possible

to

select

the

signal

that

will

contral

the

illumination

of

the

LED

on

the

front

panel

of

the

drive.

10

Epson SMD-100 series User manual

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