Sharp MZ-80B boot disk

From: SUPRDAVE_at_aol.com <(SUPRDAVE_at_aol.com)>
Date: Wed Dec 18 19:49:01 2002

In a message dated 12/18/2002 7:53:39 PM Eastern Standard Time,
cisin_at_xenosoft.com writes:

<< > > And it's usually NOT a good idea to put your LAST boot disk into the
> > drive! Although normally not a problem with most "normal" drives, there
> > have been SOME (most notably Apple ][) that were capable of malfuntioning
> > in ways that would cause them to erase/wipe/damage/ diskettes even when
> > write-protected!
> > What an amazing feature!
 
 On Wed, 18 Dec 2002, Tony Duell wrote:
> _Any_ drive if malfucntioning could have write-gate stuck on and also
> ignore the write protect line. After all, those signals are combined in
> the logic circuitry somehow, and those gates could malfunction.
 
 Ooops!
 I meant to say that on the Apple ][ a malfunctiong disk controller could
 override write protect, even on a non-malfunctioning drive. THAT is the
 special unique feature.
>>
I had that happen once! Ruined a number of my floppies until I finally
figured it out. Bought one from Jameco for either $50 or $80 way back in the
late 1980s.

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Antique Computer Virtual Museum
www.nothingtodo.org
Received on Wed Dec 18 2002 - 19:49:01 GMT