Fan control for PowerMac7_3 (#3)

Benjamin Herrenschmidt benh at
Sat Oct 16 14:58:14 EST 2004

On Sat, 2004-10-16 at 14:58, H. Peter Anvin wrote:

> I don't know how to tell; it's a significant sound.  Let me see if I can 
> figure it out.

If the dual 2.5Ghz is like the old dual 2Ghz, you can run prefectly well
with the case open, as long as you keep the plexiglass in place, which
drives the air flow, and you'll be able to see the CPU and slots fans.

You can also read the speed values from /sys/devices/temperature

> OS X doesn't sound like this.  The oscillation period for what it's 
> worth is 10 seconds.

Ok, there must be something wrong then...


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