[62457] in North American Network Operators' Group
Re: Worst design decisions?
daemon@ATHENA.MIT.EDU (Justin Shore)
Thu Sep 18 11:40:46 2003
Date: Thu, 18 Sep 2003 10:21:47 -0500 (CDT)
From: Justin Shore <listuser@numbnuts.net>
To: Todd Vierling <tv@duh.org>
Cc: up@3.am, <nanog@merit.edu>
In-Reply-To: <Pine.NEB.4.58.0309181101380.8936@server.duh.org>
Errors-To: owner-nanog-outgoing@merit.edu
On Thu, 18 Sep 2003, Todd Vierling wrote:
>
> On Thu, 18 Sep 2003 up@3.am wrote:
>
> : Without a question: PS/2 style keyboard and mouse connectors. Impossible
> : to tell from each other,
>
> And this part is somewhat funny, too, because the PS/2 connector layout is
> capable of having both devices share the same bus (there's two unconnected
> pins, which some laptops use to provide alternate CLK/DATA signals).
>
> If PS/2 mice used the unconnected pins rather than the same CLK/DATA pins as
> the keyboard, all machines could simply have two connectors using all six
> pins and you'd be able to plug either device into either socket.
In other words it should work like Apple's ADB (Apple Desktop Bus) ports
do (did until they moved to USB). I really miss those ports.
Justin
