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Which is the right Vcore? - Page 2

post #11 of 16
Quote:
Originally Posted by DeRock131 View Post
Your correct vcore should be measured on CPU-Z UNDER LOAD. So anything that puts your cpu usage at 100% (folding, orthos, prime, etc)

Sorry, but seriously what i said is what should be used because that is the closest ESTIMATE of what the chip is actually getting. Vdroops are different on all boards so thats why it would be extremely inaccurate to post the voltage before droop. You dont know vdroop their board will have.
You do realize that if I have my board set to 1.5v and it drops down to 1.48 under load, it is still getting more voltage at idle than at load. The volatge droops more as the load increases. Do not think that just because the vcore drops when loaded, that the CPU is actually being supplied the same voltage throughout.

Since the 45nm CPU's are being killed due to excessive voltage, it is still a bad idea to set the vcore to be less than the recommended under load and not consider what it is at idle.
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post #12 of 16
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hey you guys think i should change my fsb from 445 to 500 and make it an 8 times multiplier so my ram speed goes up to 1000?
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post #13 of 16
Quote:
Originally Posted by Vitaminx View Post
hey you guys think i should change my fsb from 445 to 500 and make it an 8 times multiplier so my ram speed goes up to 1000?
Try it and see. Usually, the higher the FSB is, especially if you are running 1:1 with RAM, can increase performance. Just keep in mind that the NB needs to be able to keep up too.
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post #14 of 16
Quote:
Originally Posted by Vitaminx View Post
hey you guys think i should change my fsb from 445 to 500 and make it an 8 times multiplier so my ram speed goes up to 1000?
You sure can. You will need more voltage to the NB for higher FSB speeds. 1.45v should do it. I am basing this off the fact that my P5E ran 515 FSB with 1.43v to the NB. SO I figure 1.45v should be enough with a margin of error.
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post #15 of 16
Quote:
Originally Posted by ericeod View Post
Actual vcore should be measure at what CPU-Z shows when it is idle. This is the highest actual vcore going to the CPU. Load will cause a drop in the votlage, so load is not the highest vcore your CPU is working off of when you are running it. It just doesnt make sense to use the lower of the 2 actual operating vcore voltages.

Think about it logically. When your computer is idle, the higher vcore is going through your CPU!
mine is the oppisite. when i idle my E8400 runs at 1.216 and when i put load it jumps to 1.22
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post #16 of 16
Quote:
Originally Posted by G|F.E.A.D|Killa View Post
mine is the oppisite. when i idle my E8400 runs at 1.216 and when i put load it jumps to 1.22
Did you do the vdroop pencil mod? You dont have a vdroop, you have a vspike!
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