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Re: cpufreqd init script not shutting down

On Sun, 04 Jun 2006, Jochen Schulz wrote:
> Henrique de Moraes Holschuh:
> > BTW, ondemand is never a good idea IMHO, it is very hard on the power
> > electronics in the motherboard and generates a lot of electric noise (and
> > sometimes, acoustic noise).
> Do you really think this affects the hardware significantly? I have
> never heard of this.

Depends on the hardware.  It *does* stress the on-board power regulator a
damn great deal if you do it on a power-hungry desktop CPU.

The acoustic noise I mentioned are caused by interference of the electric
noise it generates on insuficiently protected audio circuitry.  Yes, I have
seen this first hand on some ThinkPads.  My T43 doesn't appreciate ondemand
much, for example...

It is probably not good for the battery of a laptop either.  Steady-state
drain is always better AFAIK, and ondemand will make the drain that much

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

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