Re: CPU frequency shifting "problems"

Stefan Smietanowski (
Fri, 28 Sep 2001 04:12:09 +0200


>>For example, the Intel "SpeedStep" CPU's are completely broken under
>>Linux, and real-time will advance at different speeds in DC and AC modes,
>>because Intel actually changes the frequency of the TSC _and_ they don't
>>document how to figure out that it changed.
> The change is APM or ACPI initiated. Intel won't tell anyone anything
> useful but Microsoft have published some of the required intel confidential
> information which helps a bit

Did you just say that Microsoft actually went and did something right
for a change? As in publishing specs I mean.

*Stands in awe*


// Stefan

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