Odd /proc/cpuinfo

[Michael Schwendt]

On Mon, 11 Jan 2010 11:40:17 -0700, Ashley 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.
> 
>     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?

What does "dmidecode" say about it in its Processor Information?