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Date:      Tue, 08 May 2001 10:48:54 -0500
From:      seebs@plethora.net (Peter Seebach)
To:        freebsd-hackers@freebsd.org
Subject:   Re: no keyboard 
Message-ID:  <200105081548.f48Fmsm06656@guild.plethora.net>
In-Reply-To: Your message of "Tue, 08 May 2001 08:45:44 PDT." <3AF814A8.39E959F5@mindspring.com> 

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In message <3AF814A8.39E959F5@mindspring.com>, Terry Lambert writes:
>FreeBSD has an extremely annnoying habit of taking a keyboard
>that has been successfully configured by the BIOS, and then
>reconfiguring it "destructively" during probe, such that, if
>there is no KVM hooked up, or there is no keyboard and mouse
>hooked up, that the keyboard and mouse get "lost".

Yes.  This is one of the most annoying "features" I have ever seen, and
with PC keyboards, I'm not even sure it makes sense - it's not as though
there's much need for configuring.

>I think the destructive probe is probably an artifact of the
>pre-VM86() days, before we could ask the BIOS if there is a
>PS/2 mouse port present.

That would fit.

I once wrote a patch to let you specify in the config file what kind
of mouse you use, and if you did this, and the probe failed, it would
just assume that's what you meant.  I believe it worked fine with my
4-button trackball.  I submitted the code and forgot about it; I don't
have a copy anymore, and I can't swear it was very well tested.  It was
well enough tested that I could ignore the switch problem on my FreeBSD
box.

-s

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