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7.12
R-3
Installing the "R" jumper in position 3 enables a "held
status" ready output from the drive.
be a logical "0" when a disk is inserted and correctly
clamped
correctly.)
drive is not selected and the motor is not on.
an indicator that a disk is inserted in the drive and
the door
state), if the door is opened, which allows the disk to
be ejected.
R-4
7.13
This option must not be used.
7.14
MC
Cutting this PCB trace causes the spindle motor to cun
whenever a floppy disk is inserted in the drive.
RD-RS
7.15
This option is not used at this time.
01
7.16
Cutting this PCB trace disables the in-use input to the
drive (Pl-4).
pan e l LED w i l l be lit w i l l be when the d r i v e
selected.
with this modification; the in use LED will never be
illuminated if it is.
7.17
Write Protect Inversion
The option pads between IC's Ml and LI are used to
invert
floppy disk.
board pad must be cut,
jumped to the out-board pad to enable this option.
7.13
Input Terminations
All seven input lines to the drive are terminated (see
section 3.1.1).
C5 and D5 should be removed on drives in multi-drive
systems, with the exception of the drive the furthest
electrical distance from the controller.
in the drive.
This ready condition is held even if the
is closed.
This means that the only time the front
The MX option cannot be used in conjunction
the logic of the write protect slot on the
The trace from the center pad to the in
The jumper plug located between IC's
The output will
(Index pulses
It is reset
(to a not
and the center
were detected
It is
ready
is
pad must be
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