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Re: 5.25 Inch Disk Data Recovery

Subject: Re: 5.25 Inch Disk Data Recovery
Date: Thu, 26 Aug 2004 14:18:08 +0200
Greetings!

On Wed, 25 Aug 2004 16:03:18 -0500 (CDT) Richard Rager
<kb8rln@penguinmaster.com> wrote:
A Commodore 1571 Disk drive would read it.
170 K per side format up to 360k per disks.

No - the C64 (and compagnions) did soft sector without fixed start (i.e.
ignored the index hole) while the Apples' did soft sector in fixed
position to the index hole. Then the Apple had a different tracks/secor
layout, too - a number of them, in fact.

Rule number 1 if you want to read an old/"ancient" data store, use the
proper (usually: original) hardware - or dig the bits from it with a
spoon (usually ultra-specialized, slow microscopic precision scanners).
Thus: get at least a hold on an Apple floppy, better on an Apple
computer with the fitting OS.

Bye

Volker Tanger
ITK Security

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