Table 30

+===========-=============-=============-============-=============-==========+ 
|  Command  |  Queue tag  |  Queue tag  |  Logical   |   Transfer  |  Status  | 
|           |   message   |    value    |   block    |    length   |          | 
|           |             |             |  address   |             |          | 
|-----------+-------------+-------------+------------+-------------+----------| 
|   READ    |   ORDERED   |     03h     |    1 000   |    1 000    | Executing| 
|   READ    |HEAD OF QUEUE|     08h     |        0   |        8    |  Queued  | 
|   READ    |    SIMPLE   |     05h     |    2 000   |    1 000    |  Queued  | 
|   READ    |    SIMPLE   |     04h     |   10 000   |        1    |  Queued  | 
+=============================================================================+