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Green PCs: CPU Frequency Scaling in Linux

Apr 21, 2008, 12:00 (1 Talkback[s])
(Other stories by Dariusz Duma)


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"Somehow, I've always had bad luck to new technologies. The world introduces more and more sophisticated methods of using the human knowledge each day, and I was always in the long tail of progress. Or simply, something didn't want to work for me on Linux. It was similar when I tried to scale the CPU frequency. I didn't pay much attention to this before, because the laptops I used, simply didn't provide such a feature. Yes, I realize it was my bad luck to buy laptops like that--different Durons and Athlons, which didn't allow economical scaling, visited my poor desktop computer. So I classified this topic as: 'I don't know, nor am I interested, I'm overworked.' And then, recently, I purchased a new laptop and installed Ubuntu on it, where such things as CPU scaling work out of the box. I would have got over this like 'Well, because it's a laptop, and they're made to do this by default,' if not the fact, that the electricity price is rising, or that I feel responsible for the ozone depletion--well… I've developed a guilty conscience. Does my tiny desktop PC have to heat like a crazy one...?"

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