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Date:      Sun, 15 May 2011 23:25:41 -0400
From:      Daniel Staal <DStaal@usa.net>
To:        freebsd-questions@freebsd.org
Subject:   Re: No keyboard after ports update, 2x moused_enable="YES" culprit
Message-ID:  <A7E3D778F97B0551A7DFB430@mac-pro.magehandbook.com>
In-Reply-To: <4dd09401.Qf5DE46mpnXg4G2w%perryh@pluto.rain.com>
References:  <117637.44743.qm@web111903.mail.gq1.yahoo.com> <20110515103646.7558ddb2.freebsd@edvax.de> <4dd09401.Qf5DE46mpnXg4G2w%perryh@pluto.rain.com>

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--As of May 15, 2011 8:03:29 PM -0700, perryh@pluto.rain.com is alleged to 
have said:

> The AT and PS/2 keyboard interfaces are electrically identical --
> only the physical connector is different.  (I have seen, and used,
> adapters to connect either type of keyboard to the other type of
> system.  Such adapters have no active components, just the two
> connectors wired together.)

--As for the rest, it is mine.

The physical connector is all that actually needs to be different: Hot-swap 
interfaces make a point of connecting ground before power, usually be 
longer ground pins.  Although I don't think it matters in this case.

I could check, but I'd have to unplug my keyboard from the computer I'm on. 
;)

Daniel T. Staal

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