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  1. N

    Radeon HD 4870 Voltmods

    on stock cooling i would probably leave it as it is or give just a very slight bump. if you have the same pcb as mine, leave mems at stock volts even if you have some proper cooling... however if you want, try it in small steps, just keep the temperature under control. for the resistance, use...
  2. N

    Radeon HD 4870 Voltmods

    i've succesfully done the vmod to my non-reference 4870 512mb, an OC edition by club3D. as you can see here unfortunately the vdimm & vddq is controlled by the same (single) vrm so overvolting memory makes absolutely no difference on clocks because the chip can't cope with the power...
  3. N

    Radeon HD 4870 Voltmods

    sorry but where is the pencil-point located in your pictures? can't see anything...
  4. N

    Radeon HD 4870 Voltmods

    hi, I would like to show you my card. its pcb is slightly different from the one in the vmod guide, the vgpu soldering point is covered and there are a few more transistors around. it's a club3D 4870 oc'ed edition. I would like to know if the soldering points are the same (probably yes). sorry...