From: Willy Tarreau <willy@w.ods.org>
To: Mark <mark@harddata.com>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: Dual Athlon CPU detection..
Date: Thu, 18 Mar 2004 22:42:30 +0100 [thread overview]
Message-ID: <20040318214230.GE14537@alpha.home.local> (raw)
In-Reply-To: <200403181352.34737.mark@harddata.com>
On Thu, Mar 18, 2004 at 01:52:34PM -0700, Mark wrote:
> On March 18, 2004 12:47 pm, Thomas Davis <tadavis@lbl.gov> wrote:
> >
> > Is this a bad CPU, or a kernel bug?
>
> AFAIK this information comes from the Bios. Some bioses don't verify that the
> second CPU as being an MP. It's been known for some time. Some people were
> using this to run 1 MP and 1 XP to save money on processors. However if you
> were to update your bios, it might start checking both for being MPs.
> Original bioses didn't even check for the first processor at one time but AMD
> complained and the bioses were modified.
I can confirm this. I have two XP 1800 on my A7M266D, and the earlier bioses
reported different CPUs. Now after the bios upgrade, it simply reports that
they both are real MPs ! I even removed the fans once to be sure !
Cheers,
Willy
next prev parent reply other threads:[~2004-03-18 22:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-18 19:47 Thomas Davis
2004-03-18 20:52 ` Mark
2004-03-18 21:42 ` Willy Tarreau [this message]
2004-03-18 21:47 ` Thomas Davis
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