Creating a floppy drive exerciser
cisin at xenosoft.com
Mon May 4 19:54:49 CDT 2015
On Mon, 4 May 2015, Alexandre Souza wrote:
> Well, things came to a point I have NO 360K drive I can attest it is
> working properly and aligned.
> I have some AAD alignement diskettes, but I need something to exercise the
> drive. Google seems not to know what a "floppy drive exerciser" is. Do people
> have some tips of schematics, programs, or will I have to roll my own? :)
The CHEAPEST exorcisor, but containing a lot of extraneous other
"features", such as BASIC in ROM, that are not in a dedicated
exorcisor, is a microcomputer.
You need a 20MHz dual trace scope, the analog alignment diskette,
and enough computer functionality to select the drive, move the
head to the correct track, and issue a READ command. For the
purposes of using an AAD, the exorcisor does not do anything
other than substitute for a computer. Some have some other useful
features, but not needed for using an AAD.
A DDD (Digital Diagnostic Diskette) is generally considered to not be
as accurate for alignment as an AAD, but it does not require a scope,
and does require a little bit more software.
Grumpy Ol' Fred cisin at xenosoft.com
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