Table 92

+=====-========-========-========-========-========-========-========-========+  
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    | 
|Byte |        |        |        |        |        |        |        |        | 
|=====+=======================================================================| 
| 0   | (MSB)                                                                 | 
|-----+---                        Mode data length                         ---| 
| 1   |                                                                 (LSB) | 
|-----+-----------------------------------------------------------------------| 
| 2   |                           Medium type                                 | 
|-----+-----------------------------------------------------------------------| 
| 3   |                           Device-specific parameter                   | 
|-----+-----------------------------------------------------------------------| 
| 4   |                           Reserved                                    | 
|-----+-----------------------------------------------------------------------| 
| 5   |                           Reserved                                    | 
|-----+-----------------------------------------------------------------------| 
| 6   | (MSB)                                                                 | 
|-----+---                        Block descriptor length                  ---| 
| 7   |                                                                 (LSB) | 
+=============================================================================+