Comment 63 for bug 422858
Revision history for this message
| Roman Kagan (rkagan) wrote Re: [Bug 422858] Re: Atom N280 frequency scaling not supported | #63 |
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On Thu, Dec 10, 2009 at 06:47:30AM -0000, summerfk wrote:
> I get the same problem under Windows 7 - maximum speed is 1.33GHz
> [...]
> machine doesn't have the issue under XP.
> [...]
> I wonder why XP is different?
Most likely the reason is different power profiles (by default XP has
EIST off).
> Win7 reports 1.33Ghz
> CPUZ reports 1.66Ghz
> So is this just a Win7 reporting bug?
I guess it's rather CPU-Z reporting bug (or feature, they may just be
not interested in the *actual* state).
You should try Intel's own utility:
http://
Also there are quite a few facts on power management at
http://