I have a same problem. I had a idea, if I buy MAC card, than I don't get problem, and I don't need hacking it.
But I bought it, and I don't bring back.
I have OpenCL1.1.
I tried without Graphic Enabler, OSX didn't boot up.
I tried PCIRootUID=1, OSX didn't boot up.
I found Q4000ORIG.rom file for...