*BSD News Article 12188


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Newsgroups: comp.os.386bsd.bugs
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From: jem@snakemail.hut.fi (Johan Myreen)
Subject: Re: my bug list
In-Reply-To: dawes@physics.su.OZ.AU's message of Sun, 28 Feb 1993 10:01:11 GMT
Message-ID: <JEM.93Mar3182919@lk-hp-6.hut.fi>
Sender: usenet@nntp.hut.fi (Usenet pseudouser id)
Nntp-Posting-Host: lk-hp-6.hut.fi
Organization: Helsinki University of Technology, Finland
References: <1993Feb28.011327.13900@coe.montana.edu> <C35CGL.G1n@unix.portal.com>
	<1993Feb28.100111.16650@ucc.su.OZ.AU>
Date: 03 Mar 93 16:29:19 GMT
Lines: 31

In article <1993Feb28.100111.16650@ucc.su.OZ.AU> dawes@physics.su.OZ.AU (David Dawes) writes:

>Nntp-Posting-Host: physics.su.oz.au

>In article <C35CGL.G1n@unix.portal.com> mykes@shell.portal.com (mike myke schwartz) writes:
>>Nate Williams (nate@cs.montana.edu) wrote:
>>: In article <C34un3.Hp6@unix.portal.com> mykes@shell.portal.com (mike myke schwartz) writes:
>>: Microsoft mice don't have middle buttons. 
>>
>>I realize that.  I'm frankly not quite sure if PS/2 mice do or not.
>>The dell has a mini din plug for its factory-shipped mouse (says
>>microsoft on it) but Dell tells me it is a PS/2 mouse.

It is a PS/2 mouse. PS/2 mice have a mini DIN plug.

>XFree86 supports the protocol used by the PS/2 mouse, but you'll need
>a kernel driver for the port it uses.  I have no direct experience with
>a PS/2 mouse, but the code in XFree86 implies it has 3 buttons.

The PS/2 mouse specs from IBM only talk about two button mice. BUT to
say that PS/2 mice or Microsoft mice don't have middle buttons is an
oversimplification. Ok, Microsoft probably never made a three button
mouse, but I have a Logitech serial mouse at home which is "Microsoft
compatible", ie. it talks the Microsoft protocol with one of the
"reserved" bits used for the middle button. Same goes for three button
PS/2 mice. Btw. that a mouse is a PS/2 mouse does not imply anything
about who made it; all PS/2 mice are supposed to be compatible.

--
Johan Myreen
jem@cs.hut.fi