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SubjectRe: [PATCH] 2.6, 2.4, Nforce2, Experimental idle halt workaround instead of apic ack delay.
On Thu, 12 Feb 2004, Jesse Allen wrote:

> On Thu, Feb 12, 2004 at 12:17:12PM -0600, Derek Foreman wrote:
> > Some nforce2 systems work just fine. Is there a way to distinguish
> > between systems that need it and those that don't?
> >
> Some nforce2 systems are fixed in certain bioses. The problem is we
> don't know where/what it is in the bios. C1 disconnect is a clue.

So a machine that locks up with stop grant enabled under one bios
revision might run just fine with stop grant enabled on another?

> > (if anyone's running a betting pool, my money's on nforce2+cpu with half
> > frequency multiplier ;)
> I don't know what your talking about. My Shuttle AN35N nforce2 board
> can run vanilla kernels with the 12-5-2003 dated bios version and not
> lock up. The frequencies I run are all the default/standard ones.

Some old (model 4, I think) athlons had a problem with disconnect, but
only in the half multiplier versions.

Carlos' athlon has a 12.5 multiplier, so my theory's bogus
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