Installing 2nd CPU on SMP board

Charles Swiger cswiger at
Wed Oct 19 15:20:51 PDT 2005

On Oct 19, 2005, at 4:44 PM, Doug Poland wrote:
> I've inherited an SMP machine for which I've no documentation and  
> don't
> have convenient access to the hardware itself.  The computer has a
> single Xeon 2.8GHz CPU and I'd like to purchase another CPU.  Question
> is, can I simply match another Xeon of the same speed and expect it to
> work?

You want to get the same speed, FSB, and family number of Xeon, and  
it is preferable to get the same stepping number if possible.

> If I need more info, will dmesg(8) tell me what I need to know?

If you understand how to translate the dmesg display into processor  
steppings, sure.

See pages 16-17 of:


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