i had this same problem with mine, although i didn't really notice any 
slowdown... so maybe it is cosmetic.  but then again i had no kernel compiling 
benchmarks or anything to compare to.  the way to change this value back to 650 
for me was to boot to win and use the power setting in control panel to set the 
power settings to high (that is, make sure it is not set to low or automatic) 
when AC is active.  this writes the information permanently to bios so you 
never have to boot to windows again, yay!  an alternative is to use tpctl to 
set it to high, but you must put the command in your boot scripts as this 
setting is not permanent and will reset on shutdown/power up.  but, like the 
guy said, if your kernel needs an accurate speed to calibrate, maybe that's not 
such a good idea.

if you don't have a win partition, you can probably make a boot disk with the 
ps2.exe util on it that will do the same thing as the control panel util.

good luck,
nathanp


On Tue, Mar 27, 2001 at 11:42:09AM -0500, Alan Shutko wrote:
> Badiane Ka <[EMAIL PROTECTED]> writes:
> 
> > My CPU speed on my laptop shows up as 132MHz instead
> > of 500MHz.  Does anyone know how I can reset it?
> 
> You have a laptop with Speedstep and booted without AC power.  (Or, on
> a thinkpad, with AC and without a battery installed.)  The CPU speed
> is only checked on boot, not whenever it changes due to speedstep.  It
> will still be faster or slower depending on whether you have AC
> plugged in, even /proc/cpuinfo won't display the difference.
> 
> You can just reboot on AC power and /proc/cpuinfo will show the right
> value, but it's just a cosmetic problem.
> 
> -- 
> Alan Shutko <[EMAIL PROTECTED]> - In a variety of flavors!
> You are going to have a new love affair.
> 
> 
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