GPU and CPU unit different?

been running SETI on cpu's for a long time, just installed the CUDA driver's for OSX lastnight, it's no shows a CUDA device when i start, but it keeps getting 0 units when requesting, but my CPU's are pulling units just fine? Perhaps something is set up wrong?


Thu Apr 28 21:44:21 2011 NVIDIA GPU 0: GeForce GTX 260 (driver version unknown, CUDA version 3020, compute capability 1.3, 896MB, 537 GFLOPS peak)

Fri Apr 29 03:23:45 2011 SETI@home Requesting new tasks for GPU
Fri Apr 29 03:23:47 2011 SETI@home Scheduler request completed: got 0 new tasks
Fri Apr 29 03:23:47 2011 SETI@home Message from server: No tasks sent

Fri Apr 29 06:03:05 2011 SETI@home Requesting new tasks for CPU
Fri Apr 29 06:03:10 2011 SETI@home Scheduler request completed: got 1 new tasks


And this is what i get from my task prpperties:


____________

As you can see on the Applications page, there are no stock CUDA applications for Mac OS.

Gruß,
Gundolf
____________
Computer sind nicht alles im Leben. (Kleiner Scherz)

SETI@home classic workunits 3,758
SETI@home classic CPU time 66,520 hours