Driver 9.6x not working , green flashes

The decklink driver from 9.6.0 onward are not working on a MacPro 8 core 3,1 with a Decklink HD extreme
The Display is disturbed by green lines and blackouts
same on OS 10.6.8, 10.7.2. and 10.8.2.
on FCP X as on FCP 7

The flashes show already on bootup before starting a Software

had to go back to 9.5.3

Also the function extended Desktop which was removed and brought back is not working

[Joshua Helling]

Which version of the Decklink HD extreme are you using? Some of the older, long retired versions of this board do not work with the newer drivers.

The preference panel says "Decklink HD Extreme"