Testing floppy drives

Fred Cisin cisin at xenosoft.com
Thu May 28 12:57:40 CDT 2015

On Thu, 28 May 2015, Alexandre Souza wrote:
>   Howdy guys, greetings (as always) from Brazil! :o)
>   I'm in a repairing spree! Got 5 (!) CP-500 (Brazilian TRS-80/III clone) to 
> repair. All of them with single/double sided floppy drives, and the whole 
> nine yards.
>   Since it is not pratical to test all these drives on CP500, is there a 
> good software solution I can use on a PC for floppy drive testing? Something 
> that makes repairing easier? Long time I don't get so many drives to 
> repair/refurbish/align

Personally, I would use Dysan Digital Diagnostic Diskette.
There were a couple of programs for using it on TRS80, but I don't know 
where to find them, so use it on a PC.

You can normally do BETTER and more accurate alignment using an analog 
alignment diskette (+ 20MHz dual trace scope), but I think that the 
digital is "close enough".

Grumpy Ol' Fred     		cisin at xenosoft.com

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