About TAU (and ICTC)
benh at kernel.crashing.org
Mon Aug 20 08:02:14 EST 2001
>The exception would be when it's desired to use the feature for its
>original intended purpose, reduction of die temperature when that
>temperature reaches a critical threshold. That would also mean using
>the TAU the way it was intended: you set the upper and lower TAU
>thresholds as desired, and the TAU ISR turns ICTC on when the high
>threshold is passed and off when it moves past the lower.
Unfortunately, the TAU is too badly calibrated to be useful. There
_might_ be some other temp sensors in recent Apple machines, on the
I2C bus, I'll do some "probing" one of these days.
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