I Have AMD Athelon comp with OS as XP professional.I have installed internal TV Tuner card which intermittently works using Inter Video WinDVR software. I reinstalled my OS and find new hardware as SM Bus Controller for which I could not find any driver from net also. Moreover my TV tuner is not operating. Is there any relation between them? How and where can I find driver for SM Bus controller? Why my TV Tuner not working? Kindly help.