Hello all,

I'm new to this group and also to EMC.

I have just succesfully installed Ubuntu 6.0.6 and EMC and updated it to 2.2 
without problems.

When I tried to configure EMC however, I was confronted to the latency issue 
(close to 100 uS) mentioned in the docuentation, related to MSI boards.

My computer is a laptop Dell C610 Pentium III 1Ghz. I'm not sure what kind of 
board or chipset it uses but it looks like if I'm suffering exactely this 
issue, as when I run the latency test, the numbers are low (in the region of 10 
uS) but aproximately every 64 seconds, it has a pick which tales latency up to 
close 100 uS as mentioned.

I have followed the directions I got from linuxcnc.org page which includes 
replacing the binary module rtai_smi.ko and modify rtapi_conf, but when I tray 
to save this file with the changes done, I'm not permited to save it as it is 
"read only" and apparently, I have no permisions.

Is someone there who can direct me on how to get arround this barrier?. May be 
the solution is simple, but I have to mention that I'm also new to Linux.

Thanks in advance.
Jesus

 
                 TERRA 

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