linux-kernel - Re: Disabling x86 System Management Mode

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Message-ID: <46262D98.5010609@free.fr>
Date:	Wed, 18 Apr 2007 16:39:20 +0200
From:	John Sigler <linux.kernel@...e.fr>
To:	linux-kernel@...r.kernel.org
CC:	Andrew Shewmaker <agshew@...il.com>
Subject: Re: Disabling x86 System Management Mode

Andrew Shewmaker wrote:

> John Sigler wrote:
>
>> Andi Kleen wrote:
>>
>>> There are usually chipset specific bits that can be set to disable
>>> SMMs. See the datasheet if you can get them. Unfortunately most
>>> chipset vendors don't give out data sheets easily.
>>
>> I managed to find the south bridge data sheet.
>>
>> http://linux.kernel.free.fr/VT82C686B.pdf
>>
>> (I'm still looking for the north bridge data sheet.)
>>
>> Could someone point me in the right direction?
> 
> The LinuxBIOS folks had a thread on SMM recently.  You don't have to
> worry about SMM if you can use their stuff.

Unfortunately, LinuxBIOS is not a viable option at this point.
I have to live with this proprietary BIOS.

Phoenix AwardBIOS v6.00PG
EBC-2000 REV: A1.3
02/12/2004-694X-686-6A6LJXA9C-00

Regards.
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