I know I saw a thread about someone compiling his own binaries to get two GPUs to work in the same computer...
http://folding.typepad.com/news/200...license-agreement-eula-and-why-its-there.html
Don't do it.
http://folding.typepad.com/news/200...license-agreement-eula-and-why-its-there.html
Since there's no way for donors to QA end user modifications, we cannot support their use and must remind everyone that any modifications to any of the client binaries is a true EULA violation.
Don't do it.