Hitachi-LG HL-DT-ST DVDRAM GSA-T50N

Hello, I have an Hitachi-LG HL-DT-ST DVDRAM GSA-T50N in my Toshiba notebook. I want to make a MP3 cd an it dint work out. I have my settings correct in Nero. How can I burn 100mintus cd`s?
Do I need new firmware or booklist?