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Here's my script... (here's the fans part)
Authored by: a1291762 on Jan 24, '08 04:19:35AM
Ok... in case someone asks, here's how I crank my fans.

    killall FanControlDaemon
    sleep 1
    /usr/local/bin/smc -k F0Mn -w 5dc0
    /usr/local/bin/smc -k F1Mn -w 5dc0

FanControlDaemon is the process used by Fan Control. You need to stop it or it might change the fan speed before you restart.

smc lets you modify SMC values (it's literally the first version of the low-level tool that some awesome hacker released). The SMC tool (or code based on it's principles is what powers all of the fan control apps you can get now). There's 2 calls to smc because my MBP has 2 fans. They're set to 6000 RPM - the max for my machine.

This is something I setup before the fan control apps existed which is why it uses this low-level tool. I'm also on a MBP rev 1, newer machines may not like these values.

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