Changes

======NR Disc======

======NR Disc======

NR Discs (possibly "Nintendo Recordable") are blank [[NROM]] discs with a special authentication key which makes them only compatible with NR Reader and NR Writer drives. They were used by game developers as blank discs (equivalent to a DVD-R) to burn disc images onto so that they could be tested on an NR Reader.

NR Discs (possibly "Nintendo Recordable") are blank [[DOLDVDFormat|NROM]] discs with a special authentication key which makes them only compatible with NR Reader and NR Writer drives. They were used by game developers as blank discs (equivalent to a DVD-R) to burn disc images onto so that they could be tested on an NR Reader.

[[File:NR Disc.jpg|thumb|GameCube NR Disc.]]

[[File:NR Disc.jpg|thumb|GameCube NR Disc.]]

It uses a disk id(6 bytes) and a fixed number is 9.<br />

It uses a disk id(6 bytes) and a fixed number is 9, for XOR scrambling the DVD sectors.<br />

[[File:NPDPCartridge.jpg|alt=An NPDP Cartridge.|thumb|An NPDP Cartridge.]]

[[File:NPDPCartridge.jpg|alt=An NPDP Cartridge.|thumb|An NPDP Cartridge.]]