Re: fsb of older cpu

[Stefan Smietanowski]

Zwane Mwaikambo wrote:

> On Mon, 8 Mar 2004, Bjoern Schmidt wrote:
>
>
> > Hello and thank you for your answer. I determined that this cpu has a fsb of
> > 66MHz. The reason for my question was that i want to underclock the cpu.
> > I think it would be better to change the multiplier instead of changing the fsb.
> > Therefore i read the msr register 0x02ah, tilted bit 27 and wrote it back, but
> > the cpu clock is still the same. Why does that not work? Is it possible to
> > change the multiplier at runtime at all?
>
>
> No, the multiplier is locked, you'll have more luck fiddling with the
> front side bus.

That would be the first P2/233 with a locked multiplier I've come
across. My P2's ranging from 233 to 350 were never multiplier locked
anyway. Celerons and P3's were multiplier locked however, maybe that's
what you're thinking about.

// Stefan
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