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A workaround for the MacBook 6200 rpm issue
This hint actually seems like a really bad idea. Having your computer run hotter (effectively what this hint accomplishes), will tend to decrease its lifetime (heat is bad for most electronics, especially disk drives), and can actually hurt performance as well, if the CPU runs enough hotter that the system throttles CPU clock speed back. While I agree that it's interesting to know how to change this by hand, it seems like something that one SHOULDN'T change. I actually usually use smcFanControl to turn my fan speed UP to try to keep my computer cooler. In my opinion, 60C is actually a lot hotter than your MacBook ought to be, and I usually consider anything above 73 to be abnormally hot.
A workaround for the MacBook 6200 rpm issue
But that's the point. The computer doesn't run hotter. Well, if it does it does it for up to 60 seconds, just the time for cron to kick the script and change the MAX rpm value for the fan. After that it's up to the SMC to decide if it can go slower (usually it doesn't). If the rpm is too low, it gets hotter but then in few seconds the max value is raised. On the other hand, lowering the MAX rpm I still get the CPU getting cooler. |
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