i have a black us gc whit 1 port at the back. i installed the duoq 2 times to make sure my soldering whas ok. my original pot value is 240. tryed from 100 to 300. 8cm boot all the time whit every value i try. 12cm will not boot at all. then i removed the mod and tested the laser mon my qoob pro GC and its working whit 12cm no trouble. the i re installe dthe duo-q and removed my qoob pro and it boot 12cm on my GC but not on the other one ... any one have some idea to fix this trouble??
could be chip coding prob imo. the duo q does not boot 8cm dvd rw for sure. you can try contacting ur supplier or duo q maker for support.