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Date:      Sat, 13 Mar 2010 18:06:01 -0800
From:      perryh@pluto.rain.com
To:        torfinn.ingolfsen@broadpark.no
Cc:        freebsd-usb@freebsd.org
Subject:   Re: usb to ps/2 adapter works in one machine, but not another?
Message-ID:  <4b9c4489./UfK%2BON%2BPg58oJ8B%perryh@pluto.rain.com>
In-Reply-To: <20100313180706.0aeaab9f.torfinn.ingolfsen@broadpark.no>
References:  <20100313180706.0aeaab9f.torfinn.ingolfsen@broadpark.no>

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Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no> wrote:
> Many new machines / motherboards today comes with only one
> ps/2 port.  Well, the kvm switches I use still has ps/2 ports.
> Therefore I use adapters that plug into a usb port and gives
> me two ps/2 ports ...  I generally only use one port on these
> - for a mouse.

There may be a simpler solution.  The systems I've seen with only
one ps/2 jack had both the keyboard and the mouse signals wired to
the single jack.  (Quick test:  if it is wired this way it will work
with either a keyboard or a mouse.)  If that's how yours is set up
you can get a Y adapter with one ps/2 plug and two ps/2 jacks, and
not need to deal with USB keyboard or mouse support at all.



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