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6800 GT Overclocking

I'm using watercooling nd it didnt help me one bit to OC any further. With stock cooling , and open case i was able to run 420/1.2. With watercooling i'm able to OC it to same levels. Coolbits says anything higher failed the test even thought with water my GPU temperature is 40C idle , 45 - 48 C under load for 30 minutes. ( with stock cooling it was 55 idle , 70 - 75 C under load ).

So my card is running 30C cooler under load with water but unfortunately it's not helping much. I probably need Vmod .
 
I mod the bios of my GT so that it runs at 1.4V (same as ultra) and it's watercooled.
The max oc is 460/1.25.
 
" I mod the bios of my GT so that it runs at 1.4V (same as ultra) and it's watercooled.
The max oc is 460/1.25. "

What W is GT using by default ?

any links to Ultra BIOS ?

( ps , i have pny board , but it shouldnt matter , they're all reference board anyways )
 
GT is at 1.3V when running 3D.

IMHO you should try flashing it with GT bios w/1.4V first, it's safer.
 
Originally posted by: ahfung
Originally posted by: vladik007<BR>Do you have a link to that GT bios with 1.4v ?<BR><BR>Thanks
Click to expand...
<BR><BR>Here you will find all the information on the bios mods:<BR>NVIDIA BIOS information thread on nvnews.net<BR><BR>And here you will find all the bios and bios flash tools:<BR>[S=http://www.mvktech.net/download.php as risky as modding to ultra but there are more steps. Read carefully and ask question if you are not sure.
Click to expand...

that second link doesnt work
 
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