Originally Posted by drhirsch
AFAIK this is a hardware limitation and the main reason most cards don't clock the memory down as long as second screen is attached. Changes of the core clock shouldn't trigger any flickering though.
This does happen with ATI/AMD cards and in Windows too, so it is a somewhat more general problem ^^
Thanks for the input, I will also wait for NVidia to acknowledge this limitation.
In any case this driver has another major issue, wine games crash with the following error:
err:seh:raise_exception Unhandled exception code c0000005 flags 0 addr 0xf779b154
back to 280.13 for the time being, probably with open another thread for the wine issue.