Overclocking: Increasing Bus Speed vs. Increasing Multiplier

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Overclocking: Increasing Bus Speed vs. Increasing Multiplier

2008-02-05 01:21:40

aimless: Member; +166|6404|Texas

Is there any difference between increasing your bus speed to overclock than increasing your multiplier?

My multiplier is locked at 8, and I could increase my bus speed up to 450MHz.

Would this be bad? the only thing I could see problems is that it would also increase the speed of the memory. But i know there is an option in the bios to change the ratio of that.

2008-02-05 02:06:03

CrazeD: Member; +368|6952|Maine

Multiplier changes the clock of the CPU only.

FSB changes the speed of the entire motherboard.

2008-02-05 03:01:54

Brasso: member; +1,549|6909

I set my multiplier to 10, because it's easier to multiply.

But yeah, crazed is right.

"people in ny have a general idea of how to drive. one of the pedals goes forward the other one prevents you from dying"

2008-02-05 03:09:08

max: Vela Incident; +1,652|6846|NYC / Hamburg

if you overclock the FSB, there is more bandwidth available between the CPU and the rest of the system. Seeing as RAM performance is bottlenecked by the FSB, it would make sense to ramp it up. However the benefits are usually rather small IRL applications (mainly because the intel CPUs have loads of cache), so it usually is wiser to opt for a low FSB/high multi set-up to save energy, run a quieter, cooler and longer living rig. Also on some chipsets, lowering the multi can cause all sorts of funky problems (oh hai 680i)

_{once upon a midnight dreary, while i pron surfed, weak and weary, over many a strange and spurious site of ' hot xxx galore'. While i clicked my fav'rite bookmark, suddenly there came a warning, and my heart was filled with mourning, mourning for my dear amour, " 'Tis not possible!", i muttered, " give me back my free hardcore!"..... quoth the server, 404.}

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