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VDIMM - VCCIO = 0.5V max?

post #1 of 9
Thread Starter 
Is it true that the difference between VDIMM and VCCIO should not exceed 0.5V?
post #2 of 9
That's the theory I've always been using, and works well for me.
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Junkyard
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NAStradamous
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CPUMotherboardGraphicsRAM
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NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
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post #3 of 9
According to clunk (scroll down to Miscellaneous Information), it doesn't apply to SB.
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post #4 of 9
some actually say it does apply to SB, I believe they used Intel as a reference. i don't mind it, it doesn't seem to help. higher VCCIO can cause stability issues too.

But I have been running very much apart, without any issues, so it wont hurt your CPu i would think.
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post #5 of 9
Quote:
Originally Posted by Sin0822 View Post

some actually say it does apply to SB, I believe they used Intel as a reference. i don't mind it, it doesn't seem to help. higher VCCIO can cause stability issues too.

But I have been running very much apart, without any issues, so it wont hurt your CPu i would think.

This^^

A lot people think more voltage = more stability.
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post #6 of 9
Thread Starter 
Quote:
Originally Posted by Sin0822 View Post

some actually say it does apply to SB, I believe they used Intel as a reference. i don't mind it, it doesn't seem to help. higher VCCIO can cause stability issues too.
But I have been running very much apart, without any issues, so it wont hurt your CPu i would think.

You mean your VDIMM VCCIO difference is far more than 0.5V?
post #7 of 9
yea that is what was said, but it could have just been an ignorant OCer refernces intel's old datasheets. otherwise it seems to cause no issues not being like that. i wouldn't abide by the rule. See the one for X58 which said those needed to be within that range, that was in the Intel datasheet.
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post #8 of 9
Thread Starter 
Quote:
Originally Posted by munaim1 View Post

According to clunk (scroll down to Miscellaneous Information), it doesn't apply to SB.

It says in that link that that applies for "1.65V" RAM modules though? Does it apply for 1.5V DIMMs also?
post #9 of 9
Quote:
Originally Posted by kevindd992002 View Post

Quote:
Originally Posted by munaim1 View Post

According to clunk (scroll down to Miscellaneous Information), it doesn't apply to SB.

It says in that link that that applies for "1.65V" RAM modules though? Does it apply for 1.5V DIMMs also?

Regardless of the RAM voltage, it doesn't apply to SB.
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