[OT] sw killing hw [was Re: [ILUG] MySQL & outer joins...]
jm at jmason.org
Mon Sep 18 12:28:59 IST 2000
> > Oh dear... Back to 'crappy software can damage your hardware'.
> > Was is the C64 or the BBC Micro that could produce smoke with
> > just the wrong sequence of instructins?
> The Beeb had a software controlled relay for starting and stopping suitable
> tape recorders on the casette port. You could turn it on or off with *MOTOR
> 1 or *MOTOR 0.
As Kate said, there was an app for the Amiga that could play tunes using
the floppy drive motor. I've also heard of a similar one for some UNIX,
that played the hard drive heads -- and even one that ran the heads back
and forth just right to make a certain model of HD "walk" across the
Needless to say, this was from when HDs were washing-machine-size
gigantic, ie. before my time ;)
I remember quite a handy HD hack on the C64 which rattled the heads back
and forth in such a way as to align them correctly, altho' as far as I
could tell, it just made the alignment worse on my C64's drive. Nice idea
BTW to clear up the Commodore PET story -- yes, it's true, there was a CRT
register which could fry the video controller apparently. Check the PET
FAQ, section "WHAT IS THE 'KILLER POKE' AND SHOULD I WORRY ABOUT IT?", at
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