[mythtv-users] Laptop CPU in Desktop Mainboard

Robert Tsai rtsai1111 at comcast.net
Wed Jan 25 18:22:32 UTC 2006


On Wed, Jan 25, 2006 at 09:49:41AM -0500, Steve Adeff wrote:
> > Robert Tsai wrote:
> > >I have an Athlon64 3500+ Winchester. By default, the
> > >cpufreq-ondemand governor only lets it go from 2.2GHz down to
> > >1.8GHz. I had to tweak it manually to drop it down to 1.0GHz
> > >(nothing available in between):
> > >
> > >	# cpufreq-set --min 1000000 --governor ondemand
> > >
> > >[This is software only; no mucking around with voltage on the
> > >motherboard.]
> 
> how "safe" is letting the CPU change its speed? will it affect how
> applications run or is it seamless?

I've been running my machine in this configuration for about a year
with no problems.

By default, the CPU will speed up to whatever is demanded of it. You
can also configure cpufreq-ondemand to ignore "niced" processes, so
that niced processes won't cause the CPU to speed up. Obviously, the
side effect is that these niced CPU-intensive processes run slower.

--Rob
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