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The GTX 285 - BIOS Volt Increase Possible?

post #1 of 7
Thread Starter 
My mission is to over-volt a GTX 285. I have heard about something called a 'pencil-mod' and I'm not keen on that. I understand that voltage modification through software with these cards is impossible. I have also heard through the Grapevine that one can actually do a BIOS flash to modify the voltage. I'm interested in anything but the pencil mod.
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post #2 of 7
Can't change the 3d voltage through BIOS or software.
Pretty much down to hardmodding with a soldering iron, or pencilling a resistor & using a bit of conductive ink to bridge a few connections (depending on the card revision).
    
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post #3 of 7
It's easy enough to check ... just save your BIOS via GPU-Z, then Open it using NiBiTor.

Navigate to the location shown on this screenshot, and see if there's any higher voltages available there (than what you currently see when running a 3d app). If there is, set the highest available in the dropdown, then save the bios, then flash it onto your card.
    
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post #4 of 7
Not with software/BIOS. They left the higher end voltage regulator chip off the GTX285 and a few other cards.
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post #5 of 7
It's easy enough to check ... just save your BIOS via GPU-Z, then Open it using NiBiTor.

Navigate to the location shown on this screenshot, and see if there's any higher voltages available there (than what you currently see when running a 3d app). If there is, set the highest available in the dropdown, then save the bios, then flash it onto your card.

A change made by this method is not guaranteed to work, as what's in this dropdown does not always accurately reflect the actual capabilities of the voltage controller, but it's worth a try if there's a higher voltage option than what you have on the card now. It won't brick your card or anything even if it's not a VID that the VC recognizes. It just won't use what you've set in the BIOS.

    
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post #6 of 7
Thread Starter 
Thanks for the info guys.

brettjv

when I look up NibiTor downloads it seems to show that it only supports up to Nvidia GeForce 7xxx series cards. Or does it not matter what card you have? Also if you could give a short walk-thru about how to run it properly I'd be grateful. Thanks again.
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post #7 of 7
I had a 285, researched the topic alot... It can not be done via software, the 285 lacks the hardware to respond to any software mods...


The "pencil mod" can be done however... The conductive ink mod is the best bet, its easy to remove.. Just search the volt mod page here and you will see my thread on it..


Keep in mind that the results were nil for me..

evga, XFX & BFG 285's that came with a factory OC were pre modded from the factory, the vanillas can be modded to match them.
additional mods can be done to the factory OC'd ones...

But there is an OCP mod that needs to be dont to really push the card, and that requires soldering..
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