P45 Q6600 Intel EIST problem

Hi All,
I have a Q6600 on a P45 neo3.
The cpu is overclocked by increasing the FSB Frequency.
I would work with a greater FSB using a lower multiplier (x8), so disabling Intel EIST.
The problem is that I run linux and disabling Intel EIST result in an unknown CPU and the cpu scaling doesn't work at all.
Has anyone the same problem ?

Uhm,
I'm not sure that's the right way !
I can run my q6600 at 3ghz (333 x 9) with linux (I don't use windows, I have installed it only for benchmark ) and my cpu is recognized and it's scaled fine. If I disable EIST the cpu isn't recognised and it's not scaled.
It seems that EIST is important

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