I recently replaced my aging AMD X2 4200+ with a Intel E5200, i also brought a Gigabyte EP43-DS3(P43 chipset) which was a mistake since its the biggest piece of temperamental crap. It simply wont run the CPU at over 3.8ghz, wont boot with the ram over stock (1000mhz), Any changes in CPU reference voltage= no boot. Im currently at 3.75ghz@375FSB,10x,1.45 CPU which is 1.424V idle, 1.392V load My bios voltage settings CPU PLL 1.5V CPU Termination 1.4V CPU reference 0.76V CPU Vcore 1.45V DRAM Volts 2.14V DRAM termination 0.9V Channel A Reference 0.9V Channel B Reference 0.9V MCH Volts 1.1V MCH/DRAM Reference 0.9V MCH Reference 0.76V ICH I/O 1.5V At these settings i can get up to 3.8ghz but anything more than this is 1 second prime fail even with 1.55V . Im trying to push it to 4ghz, so could someone help me set these voltages correctly,espically the reference ones, cause i really have no idea. Thanks in advance for any help.