Hi. I have x1600 radeon which freezes 1sec for every 3-4 secs. Ps is Antec SmartPower 2.0 SP-500PEC ps can make 12v1 17 A 12v2 19 A CPU-Z is: Intel core duo 2 core speed 1600mhz mainboard auastek PK5C memory 2gb ddr2 pls help...