Sony SDX-1100V/R Computer Drive User Manual


 
6.Command Specification READ ATTRIBUTE
SONY AIT-5 drive SDX-1100V series Ver.1.0
6-68
6.13.3. PARTITION LIST service action
The READ ATTRIBUTE command with PARTITION LIST service action returns parameter data (Table 6-69)
identifying the number of partitions supported in the specified volume number. The contents of PARTITION
NUMBER and FIRST ATTRIBUTE IDENTIFER fields in the CDB will be ignored.
Table 6-69: READ ATTRIBUTE with Volume LIST service action parameter list format.
Bit
Byte
7 6 5 4 3 2 1 0
0 (MSB)
1
AVAILABLE DATA (2)
(LSB)
4 FIRST PARTITION NUMBER (0)
5 NUMBER OF PARTITIONS AVAILABLE
The AVAIABLE DATA field will contain two.
The FIRST PARTITION NUMBER field indicates the first partition available on the specified volume number.
Partition numbering will start at zero.
The NUMBER OF PARTITIONS AVAILABLE indicates the number of Partitions available on the specified
VOLUME NUMBER.
6.13.4. VOLUME LIST service action
The READ ATTRIBUTE command with VOLUME LIST service action returns parameter data (Table 6-70)
identifying the supported number of volumes. The contents of VOLUME NUMBER, PARTITION NUMBER, and
FIRST ATTRIBUTE IDENTIFIER fields in the CDB will be ignored.
Table 6-70: READ ATTRIBUTE with VOLUME LIST service action parameter list format.
Bit
Byte
7 6 5 4 3 2 1 0
0 (MSB)
1
AVAILABLE DATA (2h)
(LSB)
2 FIRST VOLUME NUMBER (0)
3 NUMBER OF VOLUMES AVAILABLE
The AVAILABLE DATA field will contain two.
The FIRST VOLUME NUMBER field indicates the first volume available. Volume numbering will start at zero.
The NUMBER OF VOLUMES AVAILABLE field indicates the number of volumes available.