GTX960 with MacPro6,1 or iMac15,1
ADD: Same result with iMac 14,2 and 15,1.
I'm trying to use a GTX960 on 10.10.2 with MP6,1 SysDef. It woks great with MP3,1-MP5,1 (and I haven't tried the iMac definitions because I understand MP defs will yield me better performance since I'm using a Graphics...