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On Wed, Aug 03, 2005 at 09:42:49AM +0200, O. Hartmann wrote:
> Arthur Hartwig schrieb:
>=20
> >I have a Gigabyte 8I945P-G motherboard with a Pentium D 820 CPU. =20
> >Hyperthreading needs to be enabled in the BIOS for FreeBSD to see the=20
> >second CPU. It appears the CPU presents itself as a hyperthreaded CPU=20
> >with two "logical" CPUs - each "logical" CPU actually corresponding to=
=20
> >a CPU core.
> >
> I think this is done due to licencing restrictions of several operating=
=20
> systems (which have CPU-bound licencing models). Showing a second CPU on=
=20
> a dual-core die as a hyper-threaded seems to avoid this problem. The=20
> question is now: AMD does not have HT, do they also show the second CPU=
=20
> as a logical one (from the point of view of the BIOS)?
Yes, but with a second flag that says it's a full core. I presume intel
did something similar.
-- Brooks
--=20
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4
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