UPDATE: NEW DRIVER 320.18 (released 23.05.2013)
Driver download here: GeForce 320.18 Driver
NEW BETA DRIVER 320.14 BETA (released 13.05.2013)
Driver download here: GeForce 320.14 Driver BETA
Driver download here: GeForce 320.00 Driver BETA (released 23.04.2013)
This was a problem with all cards with Fermi and Kepler architectures, so that will be all 600-series cards.
Thanks for the statement StuartReloaded!
Edited by n3xn3x, 03 June 2013 - 10:39 AM.