IS the GTS 250 a recognised CUDA card in Ubuntu?

It took until the latest driver (180.41) update to get the card to be properly recognised within Ubuntu, and yet BOINC (6.6.13) still does not recognise it as a Cuda Device.

Or am I better off to take it over to my windows box?

It can be set to work in ubuntu just fine. Have you installed the CUDA toolkit?
If not, go here:
http://www.nvidia.com/object/cuda_get.html

Select hardy 8.04, it will work just fine on Intrepid Ibex 8.10.
Have you installed it from deb file, or have you downloaded the sh file from boinc site?

If from deb file, you are probably missing libcudart.so in boinc directory.

Also be sure that boinc starts later than new nvidia drivers. Give some more details and will see what can be done.

Thanks Ed

Have downloaded the CUDA toolkit, but can't get it to "sh". (yeah an OLD Ubuntu Newbie *sigh*)

Also, in which directory should the libcudart.so go, as I downloaded the package from Boinc and from memory placed it in the same directory as boinccmd and another.

Have a feeling that they start at about the same time, as BOINC is set to run as a daemon, but shouldn't that be countered by the fact that the xconfig file would be read at boot as well??

EDIT: Should also point out that a 9500GT card DID run for a while, but consumed too much time from the CPUs.

Thanks Ed

Have downloaded the CUDA toolkit, but can't get it to "sh". (yeah an OLD Ubuntu Newbie *sigh*)

Also, in which directory should the libcudart.so go, as I downloaded the package from Boinc and from memory placed it in the same directory as boinccmd and another.

Have a feeling that they start at about the same time, as BOINC is set to run as a daemon, but shouldn't that be countered by the fact that the xconfig file would be read at boot as well??

EDIT: Should also point out that a 9500GT card DID run for a while, but consumed too much time from the CPUs.

cd Desktop

chmod 750 filename

sudo sh ./cuda-kit-blabla.sh

This could also be of help, post number 8:
http://www.gpugrid.net/forum_thread.php?id=838

Remembered the cd Desktop just as I was falling asleep... so that has been done and the toolkit is now installed in the default directories. Still not getting card recognised as a CUDA device.

"sudo /etc/init.d/boinc-client stop" was used to stop boinc when I installed 6.6.13. with ".../init.d/..... start" used to restart it. Is there a way to get it to stop as a daemon and start when you open boinc manager as I do in Windows? (say instead of "init.d....start", "init -d ..... start")

EDIT: Just checked and in both cases the libcudart.so file is an executable, but the owner is Root..... should this be boinc-client?

Also, BOINC version is 6.6.12

Try putting libcudart.so in /usr/lib/boinc-client/ directory (if the directory exists). It needs to be there. Than restart boinc, sudo /etc/init.d/boinc-manager restart.
If that doesn't work, remove boinc from your computer, and I'll lead you step by step how to install it.

Will check that in the (aussie) morning.....early start

have been trying repeatedly to get the libcudart.so file into the above mentioned folder and keep on getting told I don't have permission, even when changing owner and group to boinc and root.

(sorry bout delay, but there are times when ......)

have latest beta driver (180.51) but still no joy.

EDIT: oh and this is after switching 250GTS over to my older box and putting the 9600GT that worked under windows into this box. The 250 IS doing cuda now, but in windows, Not ubuntu. But the recognition problems still remain.