
11
I SPECIFlCAnoNS
I · General specification.
,
Item
Specification
>-------
-----
---
Drive-to-drive connection
Daisy-chain system
(a
maximum
of
four
drives)
-----------------------
Recording medium
5.25-inch both-sides
flexible disk
--
Recording
Double
or
single density
---
Number
of
tracks 70 tracks
Sector
Soft
sectored
---
Formatted capacity
280K
bytes/drive
at
16 sectors/track (double density)
140K
bytes/drive at 16 sectors/track (single density)
Power
supply
AC
220V
± 10%, 50Hz
AC
240V
± 10%, 50Hz
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-
Power Consumption
30W
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~.-----------.---
Operating conditions
5
to
25°C in temperature
20
to
80% in
humidity
(free
of
moisture condensation)
1---
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External dimensions
Approx.
165 (W) x 102 (H) x 323 (D) mm
Weight
4
kg
• Power supply section specifications
Item Specification
--
--
Input
AC
220V
± 10%, 50Hz
* Specifications and design subject
to
change
with-
out
prior
notice
for
product improvement. In
such
cases,
items mentioned above may be
partially
different
from
the product.
AC
240V ±
10%,
50Hz
Output
DC 12V
DC5V
I CONSTITUTION
OF
SINGLE
FLOPPY
• Constitution and Block Diagram
MZ-80SFD
is
constituted
by
floppy
disk drive
unit,
control
PWB
unit,
terminal resistor
PWB
unit
and power supply
unit.
Its
floppy
disk drive
is
the
same
as
the drives
used
for
MZ-80FD/MZ-SOFDK/MZ-80FB/MZ-SOFBK.
[
Power supply
circuit
Floppy
disk
drive
Terminal resistor
PWB
r--
Control
PWB
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Block diagram
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