Odd /proc/cpuinfo

[Paul Johnson]

On Mon, Jan 11, 2010 at 12:40 PM, Ashley M. Kirchner <ashley at pcraft.com> wrote:
>
>    So I never paid attention to this since I always assumed the system
> will do The Right Thing (TM), however while going through servers today,
> I came across this discrepancy and was hoping someone here could help me
> figure out what's going on.
>
>    While 'cat'ing /proc/cpuinfo I see this (other information removed):
>
>        vendor_id       : GenuineIntel
>        cpu family      : 15
>        model           : 4
>        model name      : Intel(R) Pentium(R) 4 CPU 3.40GHz
>        stepping        : 10
>        cpu MHz         : 2400.000
>        cache size      : 2048 KB
>
>    Someone please explain to me how the CPU is a 3.4GHz CPU (which I've
> verified by reading it right off of the top of the processor) and yet
> two lines down it says that it's 2400.000 MHz (or 2.4GHz)  What happened
> with the missing 1GHz?  The second CPU reports the same thing.
>

Speedstep?

By default, it is running, even on newish desktops, and they don't
always go "full out".

pj


>    Is this a motherboard issue?  Possibly not configured right?  If so,
> boy do I feel stupid considering this machine has been in production for
> a long time and no one's ever noticed.
>
>    Comments?
>
>    A
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-- 
Paul E. Johnson
Professor, Political Science
1541 Lilac Lane, Room 504
University of Kansas