Sharp MZ-80B boot disk

From: Fred Cisin <cisin_at_xenosoft.com>
Date: Wed Dec 18 18:19:00 2002

> > 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.
Received on Wed Dec 18 2002 - 18:19:00 GMT

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:34:41 BST