8" hard sectored disks

From: Doug Coward <dcoward_at_pressstart.com>
Date: Sun Jul 5 16:21:58 1998

>> * Dysan 3740/2D, Double sided, Double density, format:
>> 128 bytes/26 sectors, index 1 & 2.
>Those are soft sectored. How are the holes in the jacket positioned? If
>they're symmetrical about a centre line, then it's a flippy disk. If
>they're both on the same side of the centre line, then it's a double
>sided disk that can also be used in single-sided drives - rare, and they
>confuse some DS drives.

Well to be more exact, looking at the disk (label side up) with the
disk access window at 6 0'clock, one index hole would be at 12:15 and
the other would be at 1:00. They are to one side of center and very
close together. So I guess these are not flippy disks.

Doug Coward dcoward_at_pressstart.com
Senior Software Engineer
Press Start Inc.

Museum of Personal Computing Machinery
Received on Sun Jul 05 1998 - 16:21:58 BST

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