Attached Link: http://nwn.bioware.com/forums/viewtopic.html?topic=489681&forum=49&sp=0

Yes, it is an ATI driver issue. ATI drivers are known to crash randomly. Odds are there is something in your scene the driver took a dislike to.

Here ia a link I found. This is NOT about DS but Gamers also have this issue. Maybe it will help?

In a world filled with causes for worry and anxiety...
we need the peace of God standing guard over our hearts and minds.
 
Jerry McCant