need help with copying a DC game

[omer]

hi i am new to backing up games (i never did it) but i would like to backup my game.
its king of fighters 2002 on DC

i have PC with CDRW and what do i use to backup my game (its an original dc game disc)

i tried with nero but it copies 2MB and the backup does not work, can anyone tell me how to do it


many thanks