hai , today i bought 550 , GA-MA78GM-Us2H, HD 4850 1 GB and 500 gb Seagate HDD. I also have hitachi 160 gb hdd(old) in which i installed os in my old system. my old system config is in my siggy. In my new system, i just installed the mobo driver and graphics driver. The problem is wen i run cpuz or sandra , the processor model is not recognized by any of these s/w. It is showing as unknown amd processor. But the speed is showing correctly. The system is working fine. I would like to know y this is happening?