Table 250

+=============-============================-============================+
|    CD-ROM   |  User data field contents  |  Auxiliary field contents  |
|     mode    |       (2 048 bytes)        |        (288 bytes)         |
|-------------+----------------------------+----------------------------|
|     00h     |  All bytes zero            |  All bytes zero            |
|     01h     |  User data                 |  L-EC symbols              |
|     02h     |  User data                 |  User data                 |
|  03h - FFh  |  Reserved                  |  Reserved                  |
+=======================================================================+