Overclocking an Athlon II X4 640? Tags: CPUs Overclocking Computer Boot Last response: February 10, 2012 3:33 PM in Overclocking Share memeandc February 9, 2012 3:42:48 PM Is 3.6GHz a good speed to set it to? To much? If i go over that my computer will run the boot cycle over and over. More about : overclocking athlon 640 memeandc February 9, 2012 4:03:47 PM bump qqhex February 9, 2012 5:14:13 PM memeandc said:Is 3.6GHz a good speed to set it to? To much? If i go over that my computer will run the boot cycle over and over. I dont have that cpu but I have seen people can get those to 4Ghz and above. Whats your PSU like + have you tried increasing the core voltage i got an extra 100Mhz out of that Related resources Overclocking Athlon ii X4 640 ? - Forum New to overclocking , need step-by-step help for Athlon II X4 640 - Forum Overclocking an AMD Athlon II X4 640 - Forum Amd athlon ii x4 640 overclocking - Forum Best way to overclock athlon ii x4 640 ?? - Forum Can't find your answer ? Ask ! Get the answer memeandc February 10, 2012 12:50:48 PM I have a 500W PSU, how would i increse the voltage? is it done in the bios? qqhex February 10, 2012 3:33:22 PM memeandc said:I have a 500W PSU, how would i increse the voltage? is it done in the bios? Yeah look for somthing saying core voltage and if its set to auto change it. It may only have options if it does I dont recomend over 1.40 volts same for if you have to type in a voltage. Can't find your answer ? Ask ! Publish Related resources: ForumOverclocking Athlon II X4 640 ForumHD 6870 and Athlon II X4 640 Bottleneck? ForumNeed a new gpu that runs well with AMD Athlon II X4 640 ForumIntel Pentium G630 vs AMD Athlon II X4 640 ForumAmd athlon II x4 640 ForumAMd Athlon II x4 640 crashes when trying to overclock it ForumConsidering to overclock amd athlon ii x4 640 ForumAMD Athlon II X4 640 vs AMD Phenom II X4 965 ForumAthlon II x4 640 OC ForumOC - AMD Athlon II X4 640 3.00ghz ForumCPU fan clicking? Forum[Solved] I suck at overclocking... Need help seriously Forum[Solved] AMD Athlon x64 x2 5200+ ForumOverClocking i72600k Forum[Solved] Gpu Overclocking Glitch Issues More resources Read discussions in other Overclocking categories CPUs Motherboards Memory Chipsets Heatsinks Water Cooling Intel AMD !