Table 335

+=====-========-========-========-========-========-========-========-========+ 
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    | 
|Byte |        |        |        |        |        |        |        |        | 
|=====+=======================================================================| 
| 0   |                           Element type code                           | 
|-----+-----------------------------------------------------------------------| 
| 1   | PVolTag| AVolTag|                      Reserved                       | 
|-----+-----------------------------------------------------------------------| 
| 2   | (MSB)                                                                 | 
|-----+---                    Element descriptor length                    ---| 
| 3   |                                                                 (LSB) | 
|-----+-----------------------------------------------------------------------| 
| 4   |                              Reserved                                 | 
|-----+-----------------------------------------------------------------------| 
| 5   | (MSB)                                                                 | 
|-----+---                                                                 ---| 
| 6   |                Byte count of descriptor data available                | 
|-----+---                      (this page, n - 7)                         ---| 
| 7   |                                                                 (LSB) | 
|=====+=======================================================================| 
| 8   |                                                                       | 
|- - -+---                     Element descriptor(s)                       ---| 
| n   |                                                                       | 
+=============================================================================+