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Re: AMD cpu slows down (I think)




On Sat, 30 Oct 2004, Trevor Smith wrote:

> On October 30, 2004 1:35 pm, Satish Balay wrote:
> > cat /proc/cpuinfo - and see if the CPU MHz is not the max it should be.
> 
> Whoa. Good to know. It was way slow, even WITH my power cord plugged in.
> 
> > > 4. how can I turn this damn Powernow thing off?
> >
> > You can try: 'killall -SIGUSR1 cpuspeed' and see if to goes to max
> > speed (/proc/cpuinfo) - and you get all your performance back.
> 
> Yep, this did make things report as being faster:
> 
> model name      : mobile AMD Athlon(tm) XP2800+
> stepping        : 0
> cpu MHz         : 2120.092
> 
> (previously it was 5hundredsomething). I don't notice any difference WITH the 
> power cord in, but when I take it out, the computer remains usable. 
> Strangely, screen drawing is still noticably different with the power cord 
> unplugged, but it is well within tolerable limits now.
> 
> > I like using sppedstep on FC1.(go to max-freq only if you need the
> > extra cycles). I don't have any x-window refresh issues.
> 
> OK, where can I find this speedstep?

speedstep is intel's cpuscaling similar to AMD's Powernow. I have a
Pentium-M.

You might want to check '/usr/sbin/speedstep -h'. Perhaps use the following
in  /etc/cpuspeed.conf

OPTS="-i 1"

Satish


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