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SLI-DR Expert Upping PCIe?

post #1 of 8
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I read from duke that upping your PCIe to at least 112 may improve overclocking. Have any of you preformed this? I'm afraid too.
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post #2 of 8
Quote:
Originally Posted by Solarcaine View Post
I read from duke that upping your PCIe to at least 112 may improve overclocking. Have any of you preformed this? I'm afraid too.
On my sig rig (A8N32-SLI Deluxe), it seemed to afford some stability when I ran an Opteron 165 last year. I guess it seems to help most when the HT ("FSB") setting is really a lot above 290-300MHz.

There were no ill effects as far as I could detect. I still have mine set at 108, if I'm not mistaken.

Hope this helps!
    
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post #3 of 8
Ah, I am also going to look into this...the higher the pci-e the more data throughput, so up to a point, i'm sure there would be no harm
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post #4 of 8
Thread Starter 
Alright cool thanks
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post #5 of 8
Being the PCIe is 4x faster than the PCI, every 4MHz increase should only up the PCI 1MHz... PCIe+12 = +3 to the PCI, so the PCI would be at 36 which is fine with the exception of the first generation 36G Raptors which are, believe me I have one, fussy about any PCI bus increases.
    
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post #6 of 8
Quote:
Originally Posted by The Duke View Post
Being the PCIe is 4x faster than the PCI, every 4MHz increase should only up the PCI 1MHz... PCIe+12 = +3 to the PCI, so the PCI would be at 36 which is fine with the exception of the first generation 36G Raptors which are, believe me I have one, fussy about any PCI bus increases.
The PCI-E bus and PCI bus are seperate, so it shouldn't matter.

*EDIT*

And for the record, I'm running at 114 MHz. I managed to get my CPU a bit stable at 2950 MHz at 1.52vcore instead of 1.56
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post #7 of 8
Quote:
Originally Posted by gonX View Post
And for the record, I'm running at 114 MHz. I managed to get my CPU a bit stable at 2950 MHz at 1.52vcore instead of 1.56
So you're saying that upping the PCI-E helped make your pc more stable at that overclock, or....?
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post #8 of 8
It did for gonX and me
I'm using 110 and fine stable folding for months!
Its relative to harmonics created by electrical impulses. When they are out of ballance they can cause instability. That is why all the bus speeds keep increasing at given incriments.
    
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