-OSsda - WinXP,Linux Mint, Pardus Linux, Debian, Sabayon Linuxsdb - Ubuntu, PCLinuxOS, Mandrivasdc - PC-BSD, Mepis Linuxsdh - Chakra ( Arch ) Linux, CrunchBang Linux- IntelĀ® Core2 Duo CPU E4600 @ 2.40GHz , 3 gig RAM- nvidia 185.18.36 driver on an 8600GSCurrently running on Chakra Linux with max settings, running fine Tested on Mint and Ubuntu with similar results. I had an issue with the sound dissapearing, but it's good now.