killa_concept

I was looking over the 4870 volt mod tutorial and had a few questions...
From the picture below, it seems as though all the job requires is a potentiometer between two points? Why is it then that I see so many people with this mod having such a complex arrangement of wires, electrical tape and molex plugs?

Lastly, would it be possible to just test what resistance I needed for my desired voltage using a potentiometer and multimeter, then just switch it out with a resistor of proper resistance?

Thanks in advance for the replies

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trueg50

That is the volt mod for just the core.

What many other folks do (me included) is solder one end to that little divit, and then mount the VR near the 2x 6 pin power connectors; then use one of the connectors for a ground source. (Most volt mods are just soldering 1 wire to a specific spot, and the other end to any ground point (on the card).

What alot of people do that could account for their setups is they do things like:

1. Take a molex connector, and some wire, and solder one wire on the vGPU read (where you measure the vGPU voltage) and the other end on ground.

2. Do the same thing, but to the memory read location (for the memory volt mod).

3. ATI cards require 2 VR's for the memory volt mod.

To answer your question about using a resistor, you would have to solder down the VR, then adjust it to the right voltage, and then you can pull the VR and throw in a regular resistor.

Just to warn you, you might not get much in the way of a change. I did the voltage mod a few times, and the physical mod a few times, and not once did it work right. I could adjust the voltage, but the core just didn't want to take it. It would run Furmark fine, but games would crash within minutes.

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