Installing 2nd CPU on SMP board
glenn at antimatter.net
Wed Oct 19 16:15:08 PDT 2005
At 03:57 PM 10/19/2005, Kurt Buff wrote:
>Charles Swiger wrote:
> > 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.
It's better to match the sSpec numbers...those include the stepping,
and not all processors of the same stepping have the same sSpec.
> > See pages 16-17 of:
> > http://download.intel.com/design/Xeon/specupdt/24967849.pdf
>Ya know, if you have the money, it's probably just faster/easier to buy
>two new matching CPUs that are known to work with the board, strip out
>the old one and put the new ones in.
>Just a (lazy) thought...
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