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FSB Voltage: What role does it play in overclocking?

post #1 of 5
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This probably sounds like a very noob question, but what role does FSB play with overclocking? I am assuming it simply provides the voltage needed to all the components on the motherboard. So I am guessing I simply need to make sure the FSB voltage is higher then my highest voltage setting? ie: if my RAM is set to 1.35 and CPU at 1.37, then my FSB voltage should be no lower then 1.4v?

I was told that it is recommended to set the FSB voltage to 1.5v in my bios before going ahead to overclock. So more or less I am wondering what I should be lowering it to now that my CPU/Memory is stable at it's current frequencies/voltages.
post #2 of 5
Quote:
Originally Posted by Mehdi View Post
I was told that it is recommended to set the FSB voltage to 1.5v in my bios before going ahead to overclock. So more or less I am wondering what I should be lowering it to now that my CPU/Memory is stable at it's current frequencies/voltages.
Hard to say ... I'm really not too technically well spoken regarding the FSB volts ...

But the irony of ironies is that I've used FSB = AUTO for all my overclocks, be it day to day use at 3.6ghz or benching at 4.2ghz ...

Although during various tests, I did try different voltage settings ... I still never noticed an impact on my benches or the overall daily stability of my machine.

Others, I'm sure, will have differing views but that's my experience with it ...

    
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post #3 of 5
1.4v should be enough for the 680i
post #4 of 5
I'm also wondering this same question. I have seen people get a bit past 4.0GHz on my same processor, and i was wondering if it might have something to do with a higher FSB voltage...I haven't ever really tried to up the volts to it...
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post #5 of 5
Long time i alway have it on auto. And i think that i on many Motherboards just work out fine - but.... i you want to go the line out, get the last MHz out off your system, you need the manual way - and i´m sorry but i don´t think that there really exist a "that you must do" advice to give. Your Special Motherboard in combination with all components CPU RAM and and - in general "i think" a higher Volt giving a more stable System - but no guaranties i that case Testing Testing and again Testing... thats the way to go...

Hope you find the right way!!
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