Brazilian modders successfully double RTX 2080 memory from 8GB to 16GB VRAM

Third party GPU repair is a big business and many GPU schematics and boardviews somehow find their ways from corporate SVN servers to paid forums and google drive links. They would provide enough information, like net names, to identify the straps.

If design files from a particular company is not available, one can usually reference other schematics using the same GPU chip as their board designs are usually similar.

Kingpin did it before they just recreated his experiments.