Table 229

+=====================================-============-======-============+ 
|  Command name                       | Operation  | Type |  Subclause | 
|                                     |   code     |      |            | 
|-------------------------------------+------------+------+------------| 
| CHANGE DEFINITION                   |    40h     |   O  |   8.2.1    | 
| COMPARE                             |    39h     |   O  |   8.2.2    | 
| COPY                                |    18h     |   O  |   8.2.3    | 
| COPY AND VERIFY                     |    3Ah     |   O  |   8.2.4    | 
| INQUIRY                             |    12h     |   M  |   8.2.5    | 
| LOG SELECT                          |    4Ch     |   O  |   8.2.6    | 
| LOG SENSE                           |    4Dh     |   O  |   8.2.7    | 
| READ BUFFER                         |    3Ch     |   O  |   8.2.12   | 
| RECEIVE                             |    08h     |   O  |  12.2.1    | 
| RECEIVE DIAGNOSTIC RESULTS          |    1Ch     |   O  |   8.2.13   | 
| REQUEST SENSE                       |    03h     |   M  |   8.2.14   | 
| SEND                                |    0Ah     |   M  |  12.2.2    | 
| SEND DIAGNOSTIC                     |    1Dh     |   M  |   8.2.15   | 
| TEST UNIT READY                     |    00h     |   M  |   8.2.16   | 
| WRITE BUFFER                        |    3Bh     |   O  |   8.2.17   | 
|----------------------------------------------------------------------| 
|Key:  M = command implementation is mandatory.                        | 
|      O = command implementation is optional.                         | 
+======================================================================+