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.

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. . .

...

.

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....

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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

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

..

.

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ab

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je

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Manual

(24

Seiten,

eng!.)

Best.-Nr.

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...........

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DM

$Wlflj&U

CelectroniC)

Manual

9910509

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DM

Versand

und

Zentrale:

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Braunschweig

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

(1)

When

No.

1

(lU)

is

shorted

The

tED

1s

controlled

by

the

in

use

signal

(pin

No.

J2-4).

(2)

When

No.

2

(10)

is

shorted

The

LED

i5

controlled

by

the

drive

select

signal.

(l)

When

No.

3

are

sharted.

The

LED

illuminates

only

when

the

in use

signal,the

drive

select

si,nal

and motor

on

signal

are

all

active.

(10

1s

shorted

as

the

factory-set

condition.)

4.1.5

Electrical

specifications

of

the

output

signals

SN7438(TI)

or

equivalent

1s

used

as

the

output

drive

for

SHD-l00

series

disk

drives.

'(7

"J

':"

SMO-l00

leri8,

dl.k

drIve

-;;:

SN

"

414

or

.qulvalenl

HOlt

Iv,tem dlsk drive

"Low"

;:;

TRUE

"High"

::;

FALSE

VIN~

I

IN:

VIN:

I

IN:

+0

to

+O.4V

4

Qn

1\

(MAX)

+2.5

to

+5.25V

OmA

(open)

4.1.6

(

1)

Funct10n

of

the

output

signals.

Ready

(RDY)

This

signal

goes

low

to

indicate

correctly

set

in

the

drive

and

detector

is

provided

to

detect

control

the

ready

signal.

that

the

disk

cartridge

has

15

rotating

normally.

In

the

presence

of

the

disk

cart

been

SMD-l00,

a

ridge

and

to

11

(2)

Track

00

(TKOO)

This

signal

goe

.s

low

when

the

read/wri

te

head

is

in

the

outermost

posi-

tion

on

the

disk.

(3)

Index

(IDX)

One

low

pulse

of

thls

signal

is

genera

ted

fQr

each

rotation

of

the

disk.

The

trailing

edge

of

this

pulse

shows

the

beginning

of

the

track.

ZOOms

(nom)

0.5,....,Gms

(4)

Read

data

(ROD)

ROD

outputs

the

bit

stream

of

read

data

fram

the

read

circuit.

This

signal

i3

normally

high

and

goes

low

in

response

to

a

change

in

the

polarity

of

tqe

data

on

the

disk.

4.us

(0001) Bjls(nom)

--t---

.....

r-1.us

±

O.

35.us

(5)

Write

enable

(WE)

This

signal

goes

low

and

i3

sent

to

the

host

computer

when

a

disk

cartridge

with

a

wri~e

enable

notch

is

set

in

the

disk

drive.

12

4 • 1• 7

Ti

mi

n9

(1)

Track

seek

timinq

WRITE

GATE

DRIVE

SELECT

OIRECTlON

...1

1-

'Jls (min)

l.usernn)

I

ps(

mh)

• 1 I

..

l.9PlI(mll1

--.J--t--'ms(

mtl)

A : 3 mI

(ill

I

D)

B :

6ms(mln)

IJls

(mn)

,

JA:S

(m

,l

u)

A

18m'(mlll)

......-

......

--41

I

"'.

(m

I

Il)

, ß

~

:

21m

I

(Pl

1

Il)

STEP

A

(SMD-140.

1 3 0 )

B

(SMD-l

20,

1 1 0 )

(2)

Read

start

timing

DRIVE

SELECTi

STEP

~'Jls(min)

WRITE

GATE

l}Js(

mill)

VALID

AEAD

DATA

1

j.1S

(m

in)

--I~

A

18m.

(1ll1 A)

B 21

I:q,

(m

1

n)

1',

ami

(m

l A)

I}J

S(

IIIr1

)

A

(SMD-140,

3 0 )

B

(SMD-l

20,

o )

13

(3)

Read

da

ta

timing

For

FM

.f}As(nom)

...--~

ß,us(nom)

l,us±O.35}AS

For

MFM

4,us(nom)

r---......-t

6}As(nom)

-+-~I,us±O.JS,us

8,us(nom)

(4)

Write

start

timing

DRIVE

SELf.CT

STEP

: 1 8 ms

(m

'I)

B : 2 1inS

CD,

I )

WAlTE

GATE

_

~--ro_

A

l}Js

(mln)

WAlTE OATA

(5)

write

data

timing

For

FM

_of-

........

-

8}lS(max)

I}lS (roo)

A:

B :

8}1s:t 40n5

tSMD-l

4

O.

1 3 0 )

(SMD-l

2

O.

1 0 )

For

MFM

6J,ls

±

JOns

O.25,us(mw-.)

4J,lS

±

20ns

.---~

--+--+-0

Z.I}l$(

mal)

8J,lS

±

.eOns

14

--

(6)

Con

trol

da

ta

timi

ng

When

the

disk

cartridge

has

been

set

and

the

initial

track

position

1s

00.

-11

POWEA

ON

MOTOR

ON

DRIVE

SELECT

READY

VALID

TRACK

00

VALID

INDEX

DIAECTION

STEP

WRITE GATE

WRITE

OATA

SIDE SELECT

1\

\----------

t

Il'o(m

••

)

.,

.0500

(max) ,

~

)

200ms(nom)

Ic

lsec(max)

I

~I~s(min)~

-+---~I\l

~r---r-

---i-I

-

I •

i2'

n V

11'(m

) A:

2ms(max)

11'

.1.,,",

,\

~

8:

5ms(max)

I .

~

t;::

::::y

'-"

s(

m1n)

"'

J

Bj4s(mu)

l~s(mil)

U1;L

1.

~

m.

(m l

a)

IOO}J$(mln) • I

~_

---~

SMD·140/120

on1v

)1-

11

I i

~."

(mi

!!Ul

(SMD

- l 4

O.

3 0 ) Ijls(mln)

(SMD-l

2

O.

1 1 0 )

VALIO

READ

DATA

A

B

15

4.2

Power

supply

interface

4.2.1

Power

supply

specifications

(main

PCB

connector

Jl)

Voltage

Ripple

voltage

+12V±5~

250

mV

p-p

max.

100

mV

p-p

max.

+

5V±57.

NOTE:

Power

supply

voltage

is

that

at

power

supply

connector

Jl

of

the

main

PCB.

4.2.2

Connectors

SMO-l00

series

(normal

power

conswnption)

disk

drives

are

connected

the

host

~ystem

using

two

different

connectors.

Power

is

supplied

by

apower

line

connected

to

connectors

Pl

and

Jl.

Signal

communication

is

performed

by

connectors

Pl

and

J2.

<Power

supply

line>

SMD·100

5erles

(normal

power

Host

sYiicem

comumption)

di5k drive

+

12\1

"

nl'I<fn

+

12'1

1.7

J I

O.

01

u

16

<Signal

lines)

SMO·l00

'8,iel

(normal

'

power

consumplion'

disk

drive'

H<lst.'Y118m

IM

USE

(

IUU

L DRIVE

SELECT

3

(OS

3 )

INDEX

(IDX)

OAiVE

SELECT

0

(050

)

DRIVE

SELECT

1

(OS

I )

DRIVE

SELEOT

2

(OS

2 )

MOTOR

ON

(MON)

DIREOTION

(DRTN)

STEP

(STP)

WAlTE

OATA

(WTD)

WRITE GATE

(WTG)

TRACK

00

(TK

00

)

WRITE PAOTEOT

(WPT)

REAO

DATA

(ROD)

* SIOE

SELECT

(

SSL)

READY

(ADY)

LI

4

3 1

6 -

5

8

1

10

9

12

II

14

13

16

15

18

11

20

19

22

21

24

23

26

25

28

27

JO

29

J2

JI

)4

33

*

SMO-140/120only

17

4.2.3

Stat~

of

~ait

SED-lOO

series

(nornal

power

consumpution)

is

switched

to

power-save

mode(state

of

wai

t)

by Moter-ON

si

gnal

(J2).

4.2.

4

Connectors

For

connectors,

we

recommend

the

following:

Power

supply

connector

Pl.

RECEPTACLE

AMP

171822-4

CONTACT

PIH

AHP

170262-1

Signal

connector

P2

PS-34SEO-D4

Pl-1C

PS-34SEO-D4PI-ID

(Closed

ti

pe)

(Oaisy

ti

pe)

4.3

InstaUa

tion

Horizontal

installation

Button-side

Button.:.side

(the

peB

eide

must

be

up)

down

installation

up

installation

lllclinod

Inatallatlon

(0""30°)

18

-

---

3.5

11

5.

Flexible

Disks

5.1

Appea.ra.nce

3.3(.129)

Auto

Ihuttor

L

ab

e 1

are&

t-"

'\

.,

-

..

-

----0

..

~'

..

~

\ \

,

I \

, ,

,

I

.1 :

,

94

(3.10)

\ I

\ ,, ,"

I

, ,

"

;;

0

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

......-._--

..

/

I 1

90(3.54)

Top

vlew

Side

l-

Vlew

5·2

Rec·om·mend·a·ble

med

um

.

5 . 2 • 1 S 0 N Y - - - - - 0

M-

0 4 4 4 0 (ci 0 U b 1 e - s d e

d)

OM-D3440

(single-s

d e

d)

19

1]

0/';

-

.....

"",10

,

.,

'"

"

....

_----_

...

/

l

(

\

Met.a)

hub

~

\

Wr

1 t D

\ ,,

onablo

... h 0 , 0

...

'....

Bottom

vlew

6.outli

ne

oLnension

urawing

-

If

fFill~~I-~lf

1"'------3§T

~

i[ 1

I-------.--l@

I

/

-4-.---+1-

-E9-

er

--'-

I

i

-$-

) [

\ -

-1---------:-

1

----

lOS

.~

·

o.Z

1

(

4.

/

3"

)

[l

'""'

N~

20

...:~

""0

~

__

----

____

--

____________________

L_Jv

r---------------~--------------

2-N~-

3Z/JNC

d1,; Z -

t'D

DE;rn;..6

I

Epson SMD-100 series User manual

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