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145Mhz PCI-E Freq?

post #1 of 12
Thread Starter 
I know that the PCI-E Freq should be locked @ 100Mhz, but why do i have the ability to run upto 145Mhz in the Bios? This has always confused me seeing as anything above 112Mhz would surely damage any PCI-E GPU....
 
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post #2 of 12
You shouldn't even touch that.
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post #3 of 12
Thread Starter 
I don't (I'm not a retard) i understand the consequences, although why is there an ability to drive it that high?
 
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post #4 of 12
Thats a really good question that I don't know the answer to.
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post #5 of 12
I ran my 6800GS at 125Mhz for a few days.

Owned my old 3DMark05 score @ 100Mhz by 350 points.

It's bad for the card though. It usually won't kill the card very quickly, but it will hurt it. You usually will get a blank screen and have to reset it back to 100Mhz before you do any major damage though.
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post #6 of 12
Quote:
Originally Posted by The Pook View Post
I ran my 6800GS at 125Mhz for a few days.

Owned my old 3DMark05 score @ 100Mhz by 350 points.

It's bad for the card though. It usually won't kill the card very quickly, but it will hurt it. You usually will get a blank screen and have to reset it back to 100Mhz before you do any major damage though.
That mean maybe you can run at least 1 benchie and no damage.I only need like 200 to 150 to get the 10,000 in 3d 06.Maybe give a try.
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post #7 of 12
I have read that manipulating the PCI-E frequency form 100 to around 112 can add stability. I have read about other's on this forum using 105..112.. I upped mine to 108... my rig does seem more stable... but I have nothing to really base that on besides the way it feels in games.

I have yet to hear from anyone that really understands the what and why of it. It'd be nice to hear from somebody that could explain it.
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post #8 of 12
been running at 113 for months on it(7800GT), not anymore starting today because of my new build

no damage.
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post #9 of 12
Quote:
Originally Posted by Mhill2029 View Post
I know that the PCI-E Freq should be locked @ 100Mhz, but why do i have the ability to run upto 145Mhz in the Bios? This has always confused me seeing as anything above 112Mhz would surely damage any PCI-E GPU....
My guess is that the mobo manufacturers put that in for future proofing their board a bit, in case someone figures out a use in bumping up the PCI-E bus.
    
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post #10 of 12
Raising the PCI-E frequency that high won't hurt the card at all. It could, however make it unstable and corrupt any Sata drives being used since both busses are linked.

A healthy advantage can be had in the system while setting the bus under 120.
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