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What is overclocking

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overclocking controls. What your BIOS has will depend upon what ... Once in the overclocking section of your BIOS you can start experimenting; ...

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What is overclockingPage 1What is overclocking? Overclocking simply means running something at a higher speed than it is rated for. So for example take a Pentium 4 2.4GHz (2400MHz). It is designed to run at 2400MHz no less no more but if youre luckyyou can run it at a higher speed say 2600MHz which wouldobviously make it perform like a proper Pentium 4 2.6GHz.The question is how do we manage to do this and can it be done to every processor? First well take a quick look at how clock speed (the 2400MHz part of our Pentium 4) is derived. All current processors are much the same they have a multiplier and a front side bus (FSB). In the case of the Pentium 4 the FSB or bus speed is 100 133 or 200MHz depending on what model of Pentium 4 you have. Our Pentium 4 2.4c processor uses the fastest 200MHz FSB which Intel quote as 800MHz due to their marketing of the Quad Pumped bus but we can ignore that. So to achieve 2400MHz from a 200MHz bus we multiply 200 by 12 which gives the final clock speed. So Multiplier x FSB = Clock Speed For a Pentium 4 2.53GHz (which uses the older 133MHz bus) this would be 19 * 133MHz = 2527MHzAnd it works the same way for Athlons too for instance an Athlon XP 2500+which is in reality running at 1.83GHz uses a 166MHz FSB has a multiplier of 11. 11 * 166 = 1826MHz Chillblasthttp://www.chillblast.comPage 2So in theory if we had other components that could support it and the processor itself was capable of running at the increased speed we couldchange the FSB from 166MHz to 200MHz. 11 * 200 = 2200MHz This is the same speed as an Athlon XP 3200+! How do we go about changing the FSB orbus speed? Most motherboards today have a section in the BIOS which allows you to make changes to the bus speed processor voltage memory voltage memory speed etc. The BIOS is usually accessible by pressing Delete shortly after power on but you can refer to your motherboard manual for ...

Source: www.chillblast.com

 

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