Re: Detecting SMP

Maciej W. Rozycki (
Thu, 22 Feb 2001 11:16:06 +0100 (MET)

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:, PGP key available        +

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