Table 321

+=============-===============================================================+ 
|    Code     |  Description                                                  | 
|-------------+---------------------------------------------------------------| 
|     00h     |  Default (only one medium type supported)                     | 
|     01h     |  Optical read-only medium                                     | 
|     02h     |  Optical write-once medium                                    | 
|     03h     |  Optical reversible or erasable medium                        | 
|     04h     |  Combination of read-only and write-once medium               | 
|     05h     |  Combination of read-only and reversible or erasable medium   | 
|     06h     |  Combination of write-once and reversible or erasable medium  | 
|  07h - 7Fh  |  RESERVED                                                     | 
|  80h - FFh  |  Vendor-specific                                              | 
+=============================================================================+