Subject: Re: New i2c framework
To: Bill Studenmund <wrstuden@netbsd.org>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: tech-kern
Date: 02/19/2002 16:36:00
On Tue, Feb 19, 2002 at 12:46:42PM -0800, Bill Studenmund wrote:
> 
> Mainly as neither i2c nor SMBus (AFAIK) are hot-swap busses; every chip on
> there the board maker put there. I think the fact that the board maker
> wants all the chips to be useful (or more to the point doesn't want to
> wast money on useless chips) ensures that we won't encounter a case where
> functionality we want from the i2c bus can't be had since it's on an SMBus
> controller w/o a bit banger.

FWIW, some of my PC motherboards have jumper blocks labelled "SMBUS", and
I have other devices in my machines (e.g. the thermal sensor/fan controller
in my SCA disk cage) that I could at least theoretically plug in to the
motherboard's SMBus, if I had appropriate wiring.

-- 
 Thor Lancelot Simon	                                      tls@rek.tjls.com
   But as he knew no bad language, he had called him all the names of common
 objects that he could think of, and had screamed: "You lamp!  You towel!  You
 plate!" and so on.              --Sigmund Freud