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                  | 
+=======================================================================+