Table 12

+=============-===============================================================+ 
|  Code (y)   |  Description                                                  | 
|-------------+---------------------------------------------------------------| 
|     02h     |  Reserved (see note)                                          | 
|     00h     |  MODIFY DATA POINTER                                          | 
|     01h     |  SYNCHRONOUS DATA TRANSFER REQUEST                            | 
|     03h     |  WIDE DATA TRANSFER REQUEST                                   | 
|  04h - 7Fh  |  Reserved                                                     | 
|  80h - FFh  |  Vendor-specific                                              | 
|-----------------------------------------------------------------------------| 
|   NOTE - Extended message code 02h was used for the EXTENDED IDENTIFY       | 
|   message in SCSI-1.                                                        | 
+=============================================================================+