FIELD: information technology.
SUBSTANCE: disclosed is an information storage medium comprising an input region, a user data region and an output region. Information on whether the information storage medium is compatible with a disc drive corresponding to an older version of standards is recorded in at least one of the input and output regions.
EFFECT: high efficiency of recording, and a disc drive corresponding to an older version of standards can record data onto an information storage medium of a newer version, or can reproduce data from such a medium.
16 cl, 7 dwg
