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Can you change VGA voltage through a flash?

post #1 of 10
Thread Starter 
Can you change your videocard core and memory voltages through a flash? If so, how do you flash?

I am assuming you make a DOS bootable CD-ROM with the BIOS and nvflash (v4.41). But can you use a Windows BIOS file?
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post #2 of 10
Yout can't change the voltage of the 7900GT in the BIOS. I think you may be able to change the value..but it doesn't do anything. The only way is to hardmod it. Conductive paint is an easy and quick mod.
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post #3 of 10
Thread Starter 
Quote:
Originally Posted by Sideburns
Yout can't change the voltage of the 7900GT in the BIOS. I think you may be able to change the value..but it doesn't do anything. The only way is to hardmod it. Conductive paint is an easy and quick mod.
Where do you get conductive paint?
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post #4 of 10
i got some at radio shack for $13, i plan on doing to 1.55v mod and hopefully the pencil mod on the memory resistor... hopefully

for the conductive paint use tape to define the lines you want to make with the ink so you can control where the ink goes better
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post #5 of 10
Thread Starter 
Quote:
Originally Posted by outcast623
i got some at radio shack for $13, i plan on doing to 1.55v mod and hopefully the pencil mod on the memory resistor... hopefully

for the conductive paint use tape to define the lines you want to make with the ink so you can control where the ink goes better
How much did you get? What do you use to apply it? Is it in a pen?
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post #6 of 10
yea it looks like a very fine tip sharpie marker, to apply it you press the tip in and the fluid comes out, you have to watch it because it flows out fairly fast. ( use the tape to control where it goes) i drew a line on some plastic and it is conductive, and if you apply it right has a fairly low resistance.. good luck!! im just wating for my gpu water block, so i can do this mod
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post #7 of 10
Thread Starter 
Quote:
Originally Posted by outcast623
yea it looks like a very fine tip sharpie marker, to apply it you press the tip in and the fluid comes out, you have to watch it because it flows out fairly fast. ( use the tape to control where it goes) i drew a line on some plastic and it is conductive, and if you apply it right has a fairly low resistance.. good luck!! im just wating for my gpu water block, so i can do this mod
What I would be concerned with is too much voltage increase. How do you control it? Is it pretty easy just to put a small amount on?
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post #8 of 10
if the paint is only touching the spots where you want it to touch you can make it as thick as you want and it will only increase the voltage to a set amount. possibly if you dont use enough the resistance will be too high and you wont get the voltage you want

again use tape to control where the paint goes
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post #9 of 10
Hell I would go so far as to get as much paint on some cardboard and use a toothpick or something small and place it on the PCB and points rather than running the risk of a bunch of it dumping on the card.

Not sure if this ruins the conductivity of the paint by touching another source but it's just a suggestion since you're not using that much
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by GatorLCA
Hell I would go so far as to get as much paint on some cardboard and use a toothpick or something small and place it on the PCB and points rather than running the risk of a bunch of it dumping on the card.

Not sure if this ruins the conductivity of the paint by touching another source but it's just a suggestion since you're not using that much
The applicator is a pen, someone suggested that I use tape to guide it on.
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