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Re: Apple 3.5" Diskettes

Subject: Re: Apple 3.5" Diskettes
From: david@uow.edu.au (David Wilson)
Date: 1999/11/09
Newsgroups: comp.sys.apple2
Organization: University of Wollongong, Australia
References: <Pine.GSO.3.95.iB1.0.991108023322.13750S-100000@halifax.chebucto.ns.ca> <19991108025138.10180.00002066@ng-cd1.aol.com>

obsbedia2@aol.com (Obsbedia2) writes:
>When I took an Apple ][ repair workshop back in 85 or 86, a key note was
>changing the drive speed when using the teacher's data disk.  This way, even if
>the students got a hold of the grading records, they couldn't get it to be
>recognized by the computer.  (This was also presented as an April fool's joke.)

I seem to recall in A2-Central the idea of reversing the spindle motor in
a Disk ][ to make disks that were unreadable on other drives.
--
David Wilson  School of IT & CS, Uni of Wollongong, Australia

Follow-Ups:
- Re: Apple 3.5" Diskettes
  - From: Jack Countryman <jcountry@seidata.com>

References:
- Apple 3.5" Diskettes
  - From: Tony Cianfaglione <ab616@chebucto.ns.ca>
- Re: Apple 3.5" Diskettes
  - From: obsbedia2@aol.com (Obsbedia2)

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