linux-kernel - Re: Disabling x86 System Management Mode

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Message-ID: <75b66ecd0704160812k79fc5b18j499ec7b91333df95@mail.gmail.com>
Date:	Mon, 16 Apr 2007 11:12:26 -0400
From:	"Lee Revell" <rlrevell@...-job.com>
To:	John <linux.kernel@...e.fr>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Disabling x86 System Management Mode

On 4/16/07, John <linux.kernel@...e.fr> wrote:
> Chipset: VIA Pro133T
> http://www.via.com.tw/en/products/chipsets/legacy/pro133/
> VT82C694T north bridge + VT82C686B south bridge
>
> AFAIU, the south bridge can be a source of SMIs.
> Can the north bridge also be a source of SMIs?
>
> What I/O ports do I need to write to, and what values should I write to
> these ports, in order to prevent the VT82C686B from sending SMIs?
>

Check out some of the links in this thread:

http://www.embeddedrelated.com/usenet/embedded/show/50333-1.php

Lee
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