Re: software reset

Gabriel Paubert
2003-04-30T17:10:01Z

On Wed, Apr 30, 2003 at 11:02:41AM -0600, Eric W. Biederman wrote:
> Gabriel Paubert <paubert@iram.es> writes:
>
> > On Wed, Apr 30, 2003 at 05:04:59AM -0600, Eric W. Biederman wrote:
> > >
> > > And as an interesting data point all a triple fault does on a modern
> > > system is to put the cpu in a weird stopped state. Some hardware
> > > usually the southbridge then detects this and if properly configured
> > > will trigger the reset line.
> > >
> > > I believe this may actually go back into history as far as the 486 but
> > > I have not done the researched to see how far back this behavior goes.
> >
> > Try 286. It was the fastest (actually only) way to make a 286 switch back
> > from protected to real mode.
>
> A triple fault would put a 286 into coma mode? And the hardware had to
> reset the chip?
>
> Just trying to be clear on what you are saying.

Yes, that's at least what I remember.

Gabriel