NEC FDI036A Product Description
FDI036A
PreJ
I
mIn
a..
, j
3.5-
FLOPPY
PRODUCT
806-520236-0
DISK
DESCRIPTION
REV.
~O
DRIVE
NEC
Corporation
PROPRIETARY NOTICE
The
by
all
to
information
and
patent,
use,
therein,
others.
and
are'the
sales
except
proprietary
Specifications
introduction
and
property
proprietary
rights
to
The
foregoing
parts.
remain.subject
of
design
design
of
design,
thereto,
the
extent
improvements.
disclosed
NEe
rights
does
to
herein
Corporation.
manufacturing,
and
to
any
are
not
apply
change
were
article
expressly
to
vendor
to
allow
originated
NEC
reserves
reproduction
disclosed
granted
the
Copyright
NEC
Corporation
Printed
in
1985
Japan
~
- i -
Edition
Description
1
Prepared
in
August
1985
-
ii
-
CONTENTS
PROPRIENTARY
CONTENTS
1.
GENERAL
GENERAL
2.
2.1
2.2
2.3
2.4
2.5
Drive
Drive
Drive
Disk
Disk
NOTICE
..............................
..............
...................................
SPECIFICATION
Specifications
Structure
Opera~ion
Specifications
Structure
...............................
.•••••••••
.............. ...............
...
...........................
..............
...
~~
~
i
iii
1
2
2
5
7
8
~
. 9
3.
INTERFACE
3.1
3.2
3.2.1
3~2.2
3.2.3
3.3
3.3.1
3.3.2
3.4
3.4.1
General
Physical
Electrical
Input
..........' .
Description
Specifications
Signal
Power
Connector
Signal
Driver/Receiver
DRIVE
Types
Connector
Type
Specifications
Level
Signals
SELECT
.................................
...........................
......................
.
and
Pin
Configuration
and
Pin
Configuration
......
.............................
.....................
.........................
...
............................
a
to
3
(DSO
to
3)
11
11
13
15
16
17
18
18
18
20
20
iii
3.4.2
STEP (STP)
..................................
20
3.4.3
3.4.4
3.4.5
3.4.6
3.4.7
3.5
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.6
DIRECTION
SIDE
WRITE
WRITE
MOTOR
Ou
tputSignals
INDEX
TRACK
READY
READ
WRITE
Interface
SELECT
SELECT
GATE
DATA
ON
(MON)
(IDX)
00
(TKO)
(RDY)
DATA
PROTECT
(RDT)
Signal
......................
(SSL)
(WGT)
(WDT)
(DIR)
............................
............................
.
.............................
.................................
.
...
~
................
.
..........................
(PRT)
Timing
21
21
22
22
23
24
24
24
25
25
26
27
3.6.1
3.6.2
3.6.3
3.6.4
3.6.5
3.6.6
3.6.7
3.7
3.7.1
4.
OPERATING
4.1
Step
Access
Write
Read
Write
DRIVE
Autochucking
Power
Setting
Interface
Input
PROCEDURES
and
Track
Timing
Timing
Timing
Data
SELECT
Power
a
Floppy
00
........
•••••••••••.•••••••••
Timing
and
Timing
...............................
.
Specifications
...........................
Output
.........................
i.
:-
I
........
..
~.
Signal
Timing
..................
. .
.................................
Disk
.......................
27
.
27
28
28
29
29
29
30
30
31
31
4.2
Removing
the
Floppy
Disk
iv
31
5.
4.3
EXTERNAL
Display
SHAPE
Lamp
AND
..................................
INSTALLATION
•••••••••••••••••••••
31
32
6.
5.1
5.2
5.3
PACKING
External
Installation
Recommended
AND
Shape
TRANSPORTATION
and
Fitting
•.•••.•••.•••••••.•••••••••••••••.
Air
Flow
•••••••••••••.•••••••••••.
Hole
Positions
•••..
32
33
34
35
- v -
1.
GENERAL
The
FDl036
micro-floppy
disk
drive
is
a
double-sided
tracks
The
manual)
jacket
The
volume
per
Micro-floppy
used
with
FDl036
one
minifloppy
approximately
capacity.
micro-floppy
inch
(TPI).
disk
for
the
auto
shutter.
micro-floppy
fourth
disk
560
that
drives
g,
disk
(abbreviated
FDI036
disk
of
conventional
and
weights
yet
has
drive
is
contained
drive
a
comparable
with
as
has
only
disk
a
5-l/4
135
in
in
a
total
w
storage
this
hard
The
previous
short
slim
The
model
drive
brushless
it
consumes
The
low
In
this
is
abbreviated
depth
noise
manual
with
uses
DC
only
FD
(130
a
motor,
design
the
1035
series
mm).
thin
thickness
direct-driven
and
2.1
watts
assures
FDI036
as
FDD.
is
The
FD
by
due
of
micro-floppy
the
1036
(30
spindle
the
power
silent
short
series
mm).
with
low
power
(Typ).
operations.
disk
model
is
a
drive
with
the
design
-1-
2.
•
GENERAL
SPECIFICATIONS
2.1
Drive
NO.
Recording
1
2
Capacity
Data
3
Maxim\D1
4
5
Tracks
Average
6
Seek
7
(Track-to-track)
8
Seek
Track
9
10
Start
Standard
11
external
dimensions
(NOTE
.-
--
specifications
Item
mode
Unformatted
Forma
transfer
bit
density
rotational
time
settling
density
time
3)
(NOTE
Width
Height
Depth
rate
time
ted
.
2)
(NOTE
speed
1)
Specification
MFM
1
640
250
8717
160
~
300
3
15
135
800
30
101.6
146
MAX
" ,
L
(1.2)
(4)
(5.75)
FM
0.5
320
125
4359
Unit
-
MB
kB
k-bit/sec.
BPI
rpm
ms
.,
ms
TPI
ms
\
(in)
mm
mm
(in)
mm
(in)
12
13
Weight
Operating
environment
condi-
tions
Temperat
Relative
h\D1idity
Max
im
1.DIl
wet-bulb
temperat
ure
ure
56
45
5
'"
20'"80
29.0
(woncondensing)
"-2-
gr
°C
iRH
°C
No
•.
Item
Specification
Unit
14
Power
supply
·Vo1tage
(V)
Start
(NOTE
up
4)
current
Steady-state
current
(NOTE
5)
requirement
15
16
17
Power
Heat
Reli-
dissipation
.".
output
ability
18
,"
Disk
life
+12
+5
MTBF
MTTR
Device
Soft
Hard
Seek
ratio
(NOTE
life
errors
errors
.
error
Less
60
0.3
0.26
6)
12000 (Under
~e
0.5
15000 poa
(De
10
or
10
10
3.0
than
condition)
sign
-9
(Not
less
-l.Z
_6
x 10
0.1
standard
or5years
life)
including
retry
6
90
200
2.1
1.8
2
attempts)
..
..
rnA
rnA
W
kcal/h
-
poa
h
Times/bit
Times/bit
Times/seek
Pass
count/
track
.
19
20
Disk
Drive
environment
Temperature
Relative
hunidity
M.ax
im
lU'It
wet-bulb
temPe
rat
ure
Largest
temperat
ure
Operating
4
tV
46
(39 "'115)
20
'" 80
29
(84)
20
(59)
Double
diskette
Non-operating
(Storage)
-20
(-4
10
40
sided
3.5"
specified
by
Transporting
(Packing)
'" 50
"'122)
-40
(-40
'" 90 5 '" 95
45.
(104) (113)
30
(86)
30
(86)
NEC
'" 60 '
"'140)
Unit
°C
(OF)
%RH
°C
(OF)
°C/h
(OF/h)
-3-
No
.
Item
Specification
Unit
Allowable
vibration
(Except
resonance
point)
(NOTE
Allowable
shock
(Less
10
7)
ms)
at
than
NOTEl:
2:
3:
4:
0.5
(Less
100
Hz)
5
16
Time
Dimensions
bezel.
If
ON
than
sectors/track,
until
the
disk
signal
2
(Less
100
15
READY
not~nc1uding
is
than
Hz)
after
is
not
invalid.
256
inse
bytes/sector
2
(Less
100
40
MOTOR
that
rted
than
Hz)
-
ON
of
0 r
the
the
G
G
time
front
MOTOR
5:
6:
7:
When
Under
(1)
FDD
standard
Drive
time
(2)
Actual
time
(3)
Disk
ejection
(4)
(5)
Motor
Average
per
Excitation
is
in
service
(POH)
head
(R/W
insertion/
ON/OFF
use
disk
in
READY
use
load
time)
time
three
status.
,I
conditions
directions
8
h,Lday
0.5
h/day
25
times/day
300
times/day
2
h/day
(4
disks/day.drive)
one
R/W
test
8:
by
our
Between
FDD
SG
tester
and
-4-
FG:
for
0
90Kn (DC)
to
79
track
2.2
DRIVE
The
major
functions:
STRUCTURE
component
of
FDD
have
the
following
(1)
(2)
(3)
Base
Constructs
Spindle
Rotate
spindle
spindle
driving
Head
carriage
Contains
across
side
one
motor
the
motor.
with
pin.
a
the
is
the
frame.
assembly
~
The
a
magnet
assembly
pair
of
disk.
dislocated
directly
disk
and
magnetic
The
R/W
8
by
is
is
heads
gap
tracks
using
set
driven
of
inner
the
to
by
facing
the
DC
the
a
head
than
on
(4)
that
Step
Move
for
of
motor
the
head
the
head
carriage
position.
on
Assy
side
by
zero.
using
the
steel
belt
-5-
(5)
Index
sensor
(6)
(7)
(8)
Detect
Track
Detect
track.
Write
Detect
hole.
Eject
Used
and
the
00
sensor
whether
protect
the
mechanism
fo~
manual
for
automatic
drive
the
sensor
open/close
insertion
position
magnetic
shutter
of
of
the
head
the
write
and
control.
spindle
is
removal
motor.
in
the
prohibition
of
a
00
disk
(9)
(10)
(11)
P.W.B.
Mounts
positioning
operations,
Display
This
Front
Dress
is
panel
panel
the
lamp
a
electric
of
etc.
lamp
installed
circuits
magnetic
that
displays
on
head,
the
that
controls
read/write
a
FDD
Drive
status.
front.
-6-
203 DRIVE OPERATION
When a
spindle
chucking
becomes
sign~l
spindle
When
the
READY
The
magnetic
according
SELECT
diskette
motor
a
is.true,
motor
the
signals.
of
the
standby
drive
signal
to
is
rotates
disk
the.
reaches
is
head
the
inserted
automatically
is
status.
FDD_becomes
the
selected,
to
the
moves
STEP
pluse
into
finished.
After
specified
it
controller.
to
a
target
and
the
FDD,
untill
Then
the
MOTOR
ready
~hen
rotation
transfers
track
DIRECTION
the
the.
the
FDD
ON
the:
speed.
The
desired
SELECT
ready
For
a
is
the
converted
on
the
For
a
recorded
converted
signal
for
write
serial
disk.
read
magnetic
from
read/write
operation,
data
into
operation,
on
the
into
head
the
operations.
sent
magnetized
disk
is
serial
is
controller.
the
WRITE
from
pattern
the
magnet~zed
detected
data,
and
selected
DATA
the
controller
by
is
and
sent
by
Now
signal
is
pattern
the
the
FDD
is
recorded
head
to
the
SIDE
which
and
is
controller
as
a
READ
DATA
signal.
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