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what is core multiplyer??

post #1 of 13
Thread Starter 
Hey guys , i see all these posts saying a Q6600 has a X9 , a Q9300 has a 7.5...etc......


now i kinda understand how it works , but why do people say that a 9x multiplyer is better than a 8x , but then people change their multiplyer to 8x??....some things just are a tad confusing on these forums
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post #2 of 13
well generally with a higher multi, you should be able to clock higher. For ex: if your fsb is 400, 400x8 is only 3.2ghz while 400x9 is 3.6ghz. Some people lower their multi because they can still overclock to the same speed but it bumps up their FSB which can increase performance.
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post #3 of 13
They lower the multi so they can run 1:1 with the ram.
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post #4 of 13
Quote:
Originally Posted by i_ame_killer_2 View Post
They lower the multi so they can run 1:1 with the ram.

Yeah, even though I just ordered a Q6700 I'm guessing I'll end up not taking full advantage of the increased multiplier just to keep it 1:1.

brad
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post #5 of 13
also motherboards and chips have FSB limits. Most of the GO series chips (65nm) wall at around 500 FSB for dual cores and somewhere lower for quads.

If your board can't do high FSB, then higher multi is better to compensate.
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post #6 of 13
Thread Starter 
ok...soo does that mean if my ram is holding me back , instead of buying new ram , i can just change the multiplyer??.....

cos i cant get past 360MHZ fsb , my ram tops out at that speed......
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post #7 of 13
Sorry a little off topic -

Why doesn't someone just figure out a way to adjust the multi? Instead of using a x7 multi on their q6600 they could tweak it and use a x9 or x10 multi? I'm guessing it's a lot more complicated than I think, since no one has done it yet..
    
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post #8 of 13
Thread Starter 
is it possible for me to run my ram at 1:1??.....can i change my multiplter? , and how?
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post #9 of 13
Quote:
Originally Posted by xShiFTx View Post
Sorry a little off topic -

Why doesn't someone just figure out a way to adjust the multi? Instead of using a x7 multi on their q6600 they could tweak it and use a x9 or x10 multi? I'm guessing it's a lot more complicated than I think, since no one has done it yet..
They did, in the Athlon xp days. Now, the chips are laser cut on the cores to prevent the multi going higher then what they want it to be at.
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post #10 of 13
Quote:
Originally Posted by Locool676 View Post
They did, in the Athlon xp days. Now, the chips are laser cut on the cores to prevent the multi going higher then what they want it to be at.
That's why Intel charges a bloody fortune for the extremes with unlocked multis
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