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GeForce 6800 overclocking

post #1 of 22
Thread Starter 
I have a GeForce 6800 and when i overclock the memory in RivaTuner more then 10mhz I get artafacts. Is there a way to do a softmod to change the voltage of the ram? Or is the a guide out there to change the memory timings to let me overclock my video ram more? Also my card will not go over 375mhz w/o locking the pc up. The temp is only at 57C when at 375mhz under load so it is not over heating. So my question is, is there a way to OC my card even more then i have it now? Thanks for your time.
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post #2 of 22
Hmm, what 6800 do you have??? is it PCI - E or AGP???

If you have the 6800 LE AGP, then you should just unlock it to 16 pipes, then you will be able to OC more! If it is a other 6800 use Nibitor to increase the voltage power!
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post #3 of 22
Thread Starter 
I have a standard geforce 6800 agp 128MB. Here a link on newegg of the one i got. http://www.newegg.com/Product/Produc...82E16814140067
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post #4 of 22
OK, then use Nibitor! (Link in previous post!)

Just increase your voltage!
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post #5 of 22
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post #6 of 22
Thread Starter 
WOW, thanks for the REALLY fast reply. I'll do that bios modding tomorrow. Do if i can up the voltage of the ram?
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post #7 of 22
Pleasure man, glad I could help!

The RAM, I'm not a RAM overclocker! Soz
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post #8 of 22
Well kasten you can try that,

but if you try these things and they dont work i can pretty much guarentee that you have bad video ram and need to rma it...i had the same problem with my 6800gs and an rma is in progress.. good luck though
    
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post #9 of 22
Thread Starter 
Oh before I do this volt mod on the gpu what is the highest temp my card can go before it does damage?
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post #10 of 22
Thread Starter 
I turned up the voltage of the core from 1.2 to 1.4. I was going to try 1.3 but there wasn't an option for that. The volt mod did let me overclock more but only by 25mhz. Does anyone know why it didn't help much? And does anyone know about volt modding the ram on my card?
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Intel Pentium E6300 Wolfdale BIOSTAR 965 pt ATI HD4850 2x2GB OCZ Reaper DDR2 1066 
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Windows 7 64bit 650watt 
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My System
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CPUMotherboardGraphicsRAM
Intel Pentium E6300 Wolfdale BIOSTAR 965 pt ATI HD4850 2x2GB OCZ Reaper DDR2 1066 
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Windows 7 64bit 650watt 
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