Table 249

+=====-========-========-========-========-========-========-========-========+ 
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    | 
|Byte |        |        |        |        |        |        |        |        | 
|=====+=======================================================================| 
| 0   |                       CD-ROM data mode                                | 
|-----+-----------------------------------------------------------------------| 
| 1   |                          Reserved                                     | 
|-----+-----------------------------------------------------------------------| 
| 2   |                          Reserved                                     | 
|-----+-----------------------------------------------------------------------| 
| 3   |                          Reserved                                     | 
|-----+-----------------------------------------------------------------------| 
| 4   | (MSB)                                                                 | 
|- - -+---                    Absolute CD-ROM address                      ---| 
| 7   |                                                                 (LSB) | 
+=============================================================================+