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Can a bad videocard affect system oc'ing

post #1 of 12
Thread Starter 
can it? because i just rma'd my video card back to evga and put my 5500fx in and i noticed that i could oc a lot more stabily..could this just be luck? thanks ahead of time
    
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post #2 of 12
my guess is your Evga one was sucking up the juice from your PSU, while the FX-5500 isn't (as much).. More stress on a PSU = less of an OC. How much OC difference are we talking here? (like 5MHz or 500MHz)
    
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post #3 of 12
Thread Starter 
i couldnt get 3.2 stable before...but my psu couldnt be the problem unless the card was drawing extra power from it..i mean its sli certified 535watt very good psu..now 3.4 is nothing i mean..if i were to run a divider i could run 3.7 because of my limiting mobo
    
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post #4 of 12
Is the 5500 a pci? That may be it because the pci card draws so much less power through the board..
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post #5 of 12
Thread Starter 
yeup the 5500 is pci...im kind of mad now though..i thought that id have no problems getting a great oc out of my psu and video card...my problem really was my psu? also because when i did the calculator for my total system wattage with my 6800gs in my specs and everything, even some stuff i took out..with the overclock at 3.6..and it said my system used 401watts
    
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post #6 of 12
Thread Starter 
nobody else?
    
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post #7 of 12
If you check out some of the world record overclock you notice that they sometime use a cheap pci card because the small amount of volts that they pull through the motherboard allow the motherboard to be more stable. Your motherboard is not bad, but just might not allow a stable overclock while pushing your 6800 and the extra power to your cpu. I can almost guarantee if you had a dfi or maybe an asus you would be able to reach the same oc you did with the pci card.
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post #8 of 12
Thread Starter 
i would be able to reach the same oc with the 6800 or without? I just thought if i had an asus or a dfi i would have many more options then just adjusting fsb and ram speeds
    
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post #9 of 12
Thread Starter 
i really need to know...anyone else?
    
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post #10 of 12
Quote:
Originally Posted by suthernkid
i really need to know...anyone else?
Well, since it's a PCI, definitly on that board, because ECS' arn't made for OCing in the first place, not to mention the old chipset. Taking stress off of the main graphics card bus for an add in PCI GFX card is a way to boost your OC on older boards. You probably won't see that on the newer boards since their a little more rounded. Do yourself a favor and buy a better board..
    
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