I recently built my first computer and Im having trouble with what appears to be the cpu frequency. Upon start up it will complete the POST and then beep, then the Award BIOS screen appears and then the computer beeps continously and the screen flickers. My MOBO manual said that the problem is either cpu overheating or underfrequency. I have changed my clock multiplier and the external frequency but neither do any good. I have also changed it with the BIOS program but that does not help. I have and Asus A7V-E mother board and an Athlon 950mhz Thunderbird cpu along with 256meg ram. Im in way over my head and dont want to have to spend 100$ to have someone tell me I need to replace parts.