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Is there a voltmod for a GTS 250 1GB? - Page 2

post #11 of 17
Quote:
Originally Posted by PhyscoChain View Post

Hey, 

      You know, people can always crack & hack to find a way to get it to work. You just have to try.

A lot of people have tried. I've tried upping the voltage by bios editing before, but if the card doesn't have software voltage control already it generally does nothing. Numbers in the bios can change but when measured before & after it didn't actually change anything.
I started using the soldering iron & hardmodding cards because that was what worked, with software voltage being common for cards now I work with that as much as possible on new cards to keep warranty.

For a pencil mod, try testing for continuity from the hardmod point & see if you can find a resistor that has continuity, use the multimeter to check stock voltage & try shading the resistor. then check with the mm to see if there is any difference.
    
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post #12 of 17
Thread Starter 
Quote:
Originally Posted by FtW 420 View Post


A lot of people have tried. I've tried upping the voltage by bios editing before, but if the card doesn't have software voltage control already it generally does nothing. Numbers in the bios can change but when measured before & after it didn't actually change anything.
I started using the soldering iron & hardmodding cards because that was what worked, with software voltage being common for cards now I work with that as much as possible on new cards to keep warranty.
For a pencil mod, try testing for continuity from the hardmod point & see if you can find a resistor that has continuity, use the multimeter to check stock voltage & try shading the resistor. then check with the mm to see if there is any difference.

Hey, 

 

      Where would the resistor be located? I downloaded NiBiTor, and got a 250 1GB BIOS File. I changed the 3D Voltage from 1.2V to 1.22V - If I flashed the card, would it completely brick the card from changing the voltage that much?

 
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post #13 of 17
Can't tell by comparing the pic with this datasheet, should be the resistor that pin 5 goes to.
Datasheet is here.
www.richtek.com/download_ds.jsp?s=293
Can't for the life of me figure out which way the chip is orientated lol
 
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post #14 of 17
Thread Starter 

Hey, 

 

      UPDATE: I flashed the GTS 250 w/ a 1.22V, and it worked! I'm receiving 1.22V's, and I've been able to push it past my 800 Core limit w/o Artifacting.

 
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post #15 of 17
Quote:
Originally Posted by PhyscoChain View Post

Hey, 

      UPDATE: I flashed the GTS 250 w/ a 1.22V, and it worked! I'm receiving 1.22V's, and I've been able to push it past my 800 Core limit w/o Artifacting.

Nice, bump it to 1.3
 
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post #16 of 17
For more volts you need to pencil or go hard. But it would really help if you gave us some pics. Idk, borrow a camera or something ph34r-smiley.gif
For now you're doin good thumb.gif
post #17 of 17
Here is the mod http://www.overclock.net/t/623325/ocns-vmod-squads-volt-mod-essentials/1210#post_16298585 your not changing anything in the bios. It is physically impossible.
    
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