NEED HELP!!!

[Winchi]

Hi all,
Im new in here! Nice to find a site to help me to solve the problems. I just bought USA version of NBA2k2 and Tennis.. and just cover my DC couldnt play it because I bought the console in Australia. Can you tell me any help that I can play with Australia DC console??! I just want to play!! Please help!!
I think there should be a boot disc to allow me to play NTSC (U) in PAL console right?? If so, can you tell me how to do that? Thank you very much..