Subject: Re: Hot-swapping kbds (was Re: minor pcvt(?) problem...)
To: Brian C. Grayson <bgrayson@marvin.ece.utexas.edu>
From: Alex Rolfe <arolfe@MIT.EDU>
List: port-i386
Date: 09/05/1998 18:13:18
While it's probably not the best thing you could do for your computer,
I've done it and never had any problems. Basically, it's a necessary
evil.
Someone else made a suggestion about changing the console driver. You
might want to give that a try too if you can manage to take the machine
down for a little while to make the switch.
Alex
> On Sat, Sep 05, 1998 at 10:28:24AM -0400, Alex Rolfe wrote:
> >
> > I think that unplugging the keyboard and
> > plugging it back in (no need to reboot or anything) would fix the problem.
>
> In general, is it safe to do this? I.e., do the keyboard
> serial ports have built-in protection to avoid the electrical
> weirdness that happens when unplugging hot circuits?
>
> I have occasionally hot-swapped or hot-replugged monitors,
> but only when the monitor itself is turned off, and only with
> cheap monitors. Keyboards can't be turned off. And I've heard
> that unplugging/replugging some mice (PS/2 bus mice?) _could_
> potentially blow the serial driver chip. Plus usually one can't
> replace a keyboard or mice driver chip as easily as a video card
> -- they are on the motherboard nowadays. :|
>
> Thanks.
>
> Brian
> --
> "...Woll of Fi-ah" -- the infamous Wall of Fire in Grot's Math 102