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Overclocking/underclocking help?

post #1 of 2
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Hi I am relatively new to overclocking and i was wondering exactly what each part I change does. Like the multiplier and the voltage , etc. Also when I change these settings how does it effect the overall power usage my cpu is using because i know that if you have a 120W cpu you can downclock it and it would become like 100W or something. A link or explanation to what each part of the cpu performance bios would be greatly appreciated biggrin.gif, is my processor if it matters AMD FX-4130 Zambezi 3.8GHz Socket AM3+ Quad-Core, and this is my motherboard BIOSTAR A960G+ AM3+ AMD 760G Micro ATX AMD.
post #2 of 2
tdp is a rating for cooling systems; heat dissipation. for your processor this is 125w. if you undervolt the processor, theoretically it's tdp would decrease and you wouldn't require a larger cooling system to handle it.

for example, my htpc uses a scythe kozuti which is designed for 65w processors, yet through undervolting i am able to run a 95w amd athlon II x4 635.

so the tdp is less to do with power and more to do with heat.

for power draw, the maximum amount your cpu can pull is defined by the vrms, in your case you've got what looks like a 3+1 phase setup. this is borderline for bulldozer processors.

i'm not aware of any bulldozer/piledriver undervolting guides, but you may want to post in the fx/bulldozer/piledriver club to see what others think.

http://www.overclock.net/t/1140459/bulldozer-overclocking-guide-performance-scaling-charts-max-ocs-ln2-results-coming/120

there are plenty of overclocking threads to comb through.
Edited by l0max - 3/9/13 at 10:19am
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