Table 302

+=====-========-========-========-========-========-========-========-========+ 
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    | 
|Byte |        |        |        |        |        |        |        |        | 
|=====+=======================================================================| 
| 0   |                            Operation code (38h)                       | 
|-----+-----------------------------------------------------------------------| 
| 1   |  Logical unit number     |   WBS  |   ASA  |   RSD  |   PRA  | RelAdr | 
|-----+-----------------------------------------------------------------------| 
| 2   |  (MSB)                                                                | 
|-----+----                                                                ---| 
| 3   |                                                                       | 
|-----+----                      Logical block address                     ---| 
| 4   |                                                                       | 
|-----+----                                                                ---| 
| 5   |                                                                 (LSB) | 
|-----+-----------------------------------------------------------------------| 
| 6   |                            Reserved                                   | 
|-----+-----------------------------------------------------------------------| 
| 7   |                            Reserved                                   | 
|-----+-----------------------------------------------------------------------| 
| 8   |                            Parameter list length                      | 
|-----+-----------------------------------------------------------------------| 
| 9   |                            Control                                    | 
+=============================================================================+