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8800GTX volt mod works !

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  • 8800GTX volt mod works !

    The following pictures aren't pretty, but my first go at voltmodding worked & I'm pretty chuffed. The second wire I soldered (Memory voltage read wire) looked like it took out the resistor. .
    But I booted up & the card still worked, so I thought I'll leave well enough alone. But after a few hours I got my nerve back & decided to have another go. (Well I had already bought the magnifying goggles)
    Even when you solder the wire to the resistor for the GPU mod, it is so small that you can't tell if you got it right until you boot up.
    Well it booted up & I was able to increase the GPU voltage
    The card is still on air & it's still bloody hot so I didn't bother giving it a workout, but I'm pretty happy with my first volt mod.
    I'll get it on watercooling, or Dry Ice if Vince will return my PM's & try and get a few points before I attempt the Memory mod.



    Taking the pics with a cheap camera, is nearly as hard as the volt modding.




  • #2
    I love it. Congrats on the succesful soldering.

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    • #3
      Good job, I like the connector for the voltage readouts..

      You said in your pm that your iron tip was 2X4mm? Is that a wedge shaped tip? Below is a pic of the iron I use for small work, it's hooked to a 60watt Weller station, but has a very tiny conical tip; That tip is almost wore out, when new it's almost needle size at the tip. (btw, I don't recommend a 60w iron for beginners )
      Attached Files

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      • #4
        It's an elliptical shaped tip, I suppose I could just file it to a point. :idea:

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        • #5
          I don't recommend filing it..... those tips have a coating and filing will destroy that coating, I have filed mine, but it was an emergency and didn't have time to wait on a new tip to arrive. It's much better to just order the tip you need, I learned my lesson and now keep a few new tips around.

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          • #6
            Nice job ol'norton! Nothing you won't tackle it seems.

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            • #7
              Originally posted by Just Learnin' View Post
              Nothing you won't tackle it seems.
              I haven't tried making my own case .....yet.

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              • #8
                I was wondering about that, what's the hold up? Probably win contests with the work you can do.

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                • #9
                  Nice work there :-) and when will we get to read the "pencil mod" version of this?






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                  • #10
                    Great stuff Ol'Norton. I must admit I never vmem modded mine due to that point being so small. I can't wait to see your results.

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                    • #11
                      Originally posted by Tauvo View Post
                      Nice work there :-) and when will we get to read the "pencil mod" version of this?
                      I don't think you can pencil mod the Vgpu.
                      The Vmem mod can be done with a pencil across the two points in the red eclipse.
                      The tiny dot on the right (remember this is blown up) is where you would solder a 20Kohm resistor for a more controlled mod. Read your Vmem from where I made a mess of the soldering on the fat red wire.

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                      • #12
                        nice solders. I once got into trouble for soldering at work...something to do with lead and ventilation.

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                        • #13
                          With Aircooling (22C Ambient) I was able to get 740MHz on the core through 3DMark-03 @1.60v.
                          745MHz gave artifacts in Proxycon & raising the voltage to 1.65v didn't help at all, so that's probably it for aircooling.
                          The DTEK Fusion GPU block I bought didn't cool as well as the HR03 aircooler, when in a closed loop. So I guess I need to insulate for icewater or a GPU pot.
                          I'll get the CPU back on Dry Ice next weekend & see what sort of score I can get.

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                          • #14
                            Nice work. Is that the max for your shader clocks?

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                            • #15
                              22C! It's freezing there! That is an impressive air cooling setup.

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