Table 41

+=====-========-========-========-========-========-========-========-========+  
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    | 
|Byte |        |        |        |        |        |        |        |        | 
|=====+==========================+=================+==========================| 
| 0   | Source address           |   Reserved      | Source LUN               | 
|-----+--------------------------+-----------------+--------------------------| 
| 1   | Destination address      |   Reserved      | Destination LUN          | 
|-----+-----------------------------------------------------------------------| 
| 2   |                              Count                                    | 
|-----+-----------------------------------------------------------------------| 
| 3   |                                                                       | 
|- - -+---                           Reserved                              ---| 
| 7   |                                                                       | 
|-----+-----------------------------------------------------------------------| 
| 8   |                                                                       | 
|- - -+---                           Vendor-specific                       ---| 
| 11  |                                                                       | 
+=============================================================================+