Re: Detecting SMP

From: Maciej W. Rozycki (macro@ds2.pg.gda.pl)
Date: Thu Feb 22 2001 - 05:16:06 EST

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On Wed, 21 Feb 2001, Tigran Aivazian wrote:

> So, one would normally expect this to mean an SMP board rather than
> multiple processors, _HOWEVER_, I can imagine a very clever MP-aware BIOS
> implementation which detects that there are many processors and prepares
> MP floating config table and does _not_ prepare it otherwise. So, it all
> depends on the BIOS implementation.

I've seen systems that do so and while it's not forbidden I consider it a
bad thing. It prevents us from being able to use I/O APICs.

-- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available +

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