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GTX 400 Overclocking/Modding Thread - Page 83

post #821 of 926
Quote:
Originally Posted by 10acjed;12436797 
What card? I think the only bios mod for OCP is the 480, and I am not sure thats even the case..
I know that the 470 & below require a hard mod.
Here is the info for the 480 mods - http://www.xtremesystems.org/forums/showthread.php?t=251935

Here is the 470 mods - http://www.overclock.net/nvidia/772999-first-volt-mod-gtx-470-overvolting.html
Quote:
Afterburner Applied Voltage/ Actual Voltage
1.100v
1.48v
1.088v
1.42v
1.075v
1.37v
1.063v
1.31v
1.050v
1.26v
1.038v
1.21v
1.025v
1.15v
1.012v
1.11v
1.000v
1.05v
0.988v
1.00v
0.975v
0.95v
0.963v
0.90v

Wierd. The 470 I'm using ATM doesn't do this. When I set 1.2v with afterburner I get 1.15v with my DMM.
    
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post #822 of 926
Which is the maximum safe voltage for a GTX 480 euipped with AC Accelero Xtreme?
post #823 of 926
Can I get some help?

I flashed my MSI GTX 480 to allow 1.2v, and downloaded and set up the voltage unlock files for Afterburner. The slider will go well past 1.2v, but whenever I apply settings past 1138mv, it automatically goes back to 1138, even if it's something like 1140.

EDIT: Nevermind...got it.
Edited by DevilGear44 - 4/4/11 at 3:21pm
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post #824 of 926
Been overclocking my Gigabyte GTX 480 lately (Have got it about year now, time to OC!), at 1050mV i can get 850/2000 and with low as 1025mV i can get it to SOC Speeds (820/1900). Gotta love this card, still can run everything what you throw for it biggrin.gif Gonna prepare my GTX for summer with VF3000F biggrin.gif And as for my overclocks, i think with those clocks/voltages i got very nice card?, gonna overclock further when i get VF3000F.
post #825 of 926
anyone got a modded bios for gtx 480 gigabyte rev 1.1

voltage wont go past 1138 the card is watercooled so i want to add more voltage.

or i can email someone my bios to be modded

thanks



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post #826 of 926
Just dump your bios with GPUz, make a copy and edit it yourself with Nibitor, and reflash. Presto!
If you search my posts in this thread, I think I made a guide to raise the voltage limit with Nibitor. Good luck!
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post #827 of 926
Hey guys, I've successfully allowed MSI Afterburner to allow me to go up to 1.213v with my Gtx 480. The only problem is that every time I set that voltage in Afterburner, my card just gives out, forcing me to hard boot my PC. I can hit 1.2v without a problem, however.

So what gives?
 
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post #828 of 926
That's a lot of voltage, there. Even on the Gigabyte cooler, something is probably getting too hot.
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post #829 of 926
I'm water cooling everything, and nothing is getting too hot at 950/1900/2035@1.2v on OCCT for 5 straight minutes (no artifacts either). So I don't know why this is happening; any other guesses?
 
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post #830 of 926
I've read a lot of full cover 4 series blocks don't cool the VRM's well. That would be my last guess, if you don't have EK blocks. You may want to start a thread. smile.gif
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