Douglas Pollard wrote:

>I bought a used IBM Think Centre 3 ghz. intel chip that after a latency 
>test proved to be useless  in running EMC2.   I also have an Hp   dual 
>core  64 bit  machine that is my personal desktop machine. 2.4 ghz  1 g 
>ram I thought EMC2 would not run on it. 
>
EMC2 should run just fine - our kernel doesn't really care if there are 
extra cores around.  It just doesn't use them.

>I recently saw someplace on line 
>saying it could run on one of the chips but not both. Does anyone know 
>anything about this.  I really don't want to go looking for another used 
>computer.
>  
>
This is true of the "official" RTAI kernel we provide.  A user has 
kindly built multiprocessor-aware RTAI kernel packages, which are at 
<http://www.linuxcnc.org/experimental/hardy/smp/>.  Use at your own 
risk, no support, etc. etc.  I believe several people have tried this 
kernel, and I don't know of any problems with it, but of course your 
mileage may vary.

There is no liveCD with the SMP kernel, so you have to install 
EMC2-Ubuntu, then manually download and install the SMP kernel packages 
(which can be done with the GUI by right-clicking on them and selecting 
"install using Gdebi").

- Steve


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