Yes, that is normal.  It is a shortcoming of the NVIDIA CUDA driver 
for the Mac.

I'm afraid the information about downloading the CUDA driver is a bit 
subtle.  There's a link on the BOINC download pages 
<http://boinc.berkeley.edu/download.php> and 
<http://boinc.berkeley.edu/download_all.php> that takes you to 
<http://boinc.berkeley.edu/wiki/GPU_computing> which mentions that 
Mac users need to download a special CUDA driver.

The BOINC message boards <http://boinc.berkeley.edu/dev/> are a good 
place for help and information on things like this.

Cheers,
-Charlie

At 12:16 AM +0200 7/9/10, Robin Kipp wrote:
>Hey Charlie,
>thank you so much!!! I had no idea I'd have to download these 
>drivers first. Got them installed now and the output reads like this:
>
>Fr  9 Jul 00:12:48 2010                NVIDIA GPU 0: Quadro FX 4800 
>(driver version unknown, CUDA version 3010, compute capability 1.3, 
>1536MB, 462 GFLOPS peak)
>
>The driver version is unknown, is that OK?
>Thanks again!!! :-)
>Robin


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