Re: [PATCH] psmouse: fix mouse hotplugging

[Ian Stirling]

Maciej W. Rozycki wrote:
> On Thu, 22 Apr 2004, Horst von Brand wrote:
>
>
> > > This patch fixes hotplugging of PS/2 devices on hardware which don't
> > > support hotplugging of PS/2 devices. In other words, most desktop
> >
> > machines.
> >
> > I have seen "hoplugging of mice" fry PS/2 ports, and heard of motherboards
> > killed that way. 
>
>
>  For older systems, a fuse would often blow on these ports, which
> depending on the implementation would require a power cycle or a soldering
> iron.  Then one of those PCxx specs from Microsoft required the PS/2 ports
> to support hot-plugging, so chances are it may pretty safe with recent
> equipment.

Even for relatively newer kit, wierd stuff can happen.
I recall one keyboard/athlon 500 system that would reboot 10s after the keyboard
was plugged in, about 1% of the time.
Probably a KBC code bug, but unfixable.
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