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Tag Archive 'cpu frequency'

CPU Frequency II

Previously in this space I wrote about discovering that the Mac OS X 10.2.8 upgrade reset the value used for CPU frequency. In my case I lost about a 3rd of my overall speed.
By reseting the PMU I was able to get full horsepower again.
For a while.
It seems that rebooting the machine loses the correct [...]

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CPU Frequency

Thanks to Matt Haughey, Leonard Lin, and this Apple document my Powerbook G4 (867 MHz) is once again running at 867 MHz.
I just last evening upgraded to 10.2.8 figuring that all the quirks have been flattened by now. Silly me. Less than 24 hours later I read that 10.2.8 may have reset my cpu frequency [...]

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