Re: Mobile Celeron

[Dave Jones <davej@redhat.com>]

On Tue, Mar 13, 2007 at 07:14:16PM +0100, Ralf Meyer wrote:
 > On 3/13/07, markus reichelt <ml@mareichelt.de> wrote:
 > > * Ralf Meyer <ranfyy@gmail.com> wrote:
 > >
 > > > is a Mobile Celeron supposed to be able to do CPU frequency
 > > > scaling?
 > >
 > > run cpuid and check for something like Enhanced Intel SpeedStep
 > > Technology
 > >
 > > cpuid @ http://www.etallen.com/cpuid.html
 > 
 > Thanks. I didn't know this tool.
 > 
 > $ cpuid | grep -i speed     # gave me:
 > ---
 >       Enhanced Intel SpeedStep Technology    = false
 > ---
 > 
 > Its man page led me to the Datasheet (29851706.pdf). In the Power
 > Management chapter there is no mention of speedstep or enhanced
 > speedstep but something called Quickstart. I never heard about this
 > before.
 > 
 > Does Quickstart work all by itself?

iirc, quickstart is just a c-state, that (providing your BIOS has
an ACPI implementation that works) should 'just work'.

 > My original question should have been clearer in that I wanted to know
 > if the hardware is capable of frequency scaling of some sort.

I don't recall any celerons having frequency scaling.

	Dave

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