Notes On Use Oi' Drive; Interface - Epson SMD-100 series Specification

7.
Notes on Use of Drivos
7-1
Powor supply
7-1-1
Two power sources of'
12V
and
SV
are required.
'fhe sequence, however, is not specified.
7-1-2
The rise timo of power supply affects the power on
or reset operation of the internal circuit. Tharafore,
tha
90%
rise time of' thc
SV
power souree must ba
100015
or less.
The diskette is protected at power on and power
of'f'. but the write gate signal should not be
allowed to beeome active.
7-1-3
When the motor on signal becomas semi-aetive,
the standby mode is switched on and the operation
of' the
R/W
circuit is stopped.
7-1-4
With a nonnal type, the power supply capaeity "bocomes
maximum at the spindie motor start with
12V
system and
at
the maximum write action with the
SV
system.
7-2
Interf'ace
7-2-1 The signal system is interchangeable with the
conventional
5.25
11
system.
'rhe
canne c tor. hO\-Jever.
i
5
in
compl iance in
des
i
gn
l.J
i
t h S ONY
I
5
J.
5"
d r
i
v e •
7-2-2 Daisy chain
Up to .tour daisy chain connection is possible.
The terminating resistancc array is set :for all the
drivos at the shipment .from tho factary. Hemove
all the arrays on tho samo cablo except f'ar the one
on tho end drive.
Seleetion for each drivo, which is dane by
a short plug. should be mado caref'ully without
repetition.
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