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10.6: Lock the screen via a keyboard shortcut
Authored by: Typhoon14 on Sep 08, '09 06:14:51PM

This doesn't sound right. I've often used this command when the system was doing something hard drive and CPU intensive in the background, and it did not seem to do anything but turn off the display. Indeed, I usually did it if I was doing extensive video encoding that might take 8 hours or so. Even a minor reduction in processor clock speed would have extended the encoding time by a few hours, and I definitely would have noticed. More to the point, I don't really understand what you mean by the system cycling up and down. On all modern Macs the processor clock speed is adjusted dynamically depending on what the system is doing. Moreover, this adjustment happens instantaneously. It's not like some piece of industrial machinery that has to spin to its full operating speed slowly. I mean, the system can boot cold in about 30 seconds, wakes from full sleep almost instantly, and wakes from display sleep instantly. Nothing takes five minutes.



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