Adapter Inputs
-Index
-Write Protect
r"\
-Track 0
-Read
Data
The selected drive supplies one pulse per
disk revolution on this line.
The selected drive makes this line active
if
a write protected diskette is mounted in the
drive.
The selected drive makes this line active
if
the read/write head
is
over track
O.
The selected drive supplies a pulse
on
this
line for each flux change encountered on the
disk.
2-107