Sony SDX-800V/R User Manual

Page of 206
6.Command Specification 
READ ATTRIBUTE
 
6-70 
 
SONY AIT-3Ex drive SDX-800V series Ver.1.1 
6.13.3.  PARTITION LIST service action 
The READ ATTRIBUTE command with PARTITION LIST service action returns parameter data (table 6-67) 
identifying the number of partitions supported in the specified volume number. The contents of PARTITION 
NUMBER and FIRST ATTRIBUTE IDENTIFER fields in the CDB shall be ignored. 
TABLE 6-67: READ ATTRIBUTE WITH VOLUME LIST SERVICE ACTION PARAMETER LIST FORMAT. 
Bit 
Byte 
7 6 5 4 3  2 1 0 
(MSB)
 
 
AVAILABLE DATA (2) 
(LSB)
FIRST PARTITION NUMBER 
NUMBER OF PARTITIONS AVAILABLE 
The AVAIABLE DATA field shall contain two. 
The FIRST PARTITION NUMBER field indicates the first partition available on the specified volume number. 
Partition numbering should 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 6-68) identifying 
the supported number of volumes. The contents of VOLUME NUMBER, PARTITION NUMBER, and FIRST 
ATTRIBUTE IDENTIFIER fields in the CDB shall be ignored. 
Table 6-68: READ ATTRIBUTE with VOLUME LIST service action parameter list format. 
Bit 
Byte 
7 6 5 4 3  2 1 0 
(MSB)  
 
AVAILABLE DATA (2h) 
(LSB)
FIRST VOLUME NUMBER 
NUMBER OF VOLUMES AVAILABLE 
The AVAILABLE DATA field shall contain two. 
The FIRST VOLUME NUMBER field indicates the first volume available. Volume numbering should start at zero. 
The NUMBER OF VOLUMES AVAILABLE field indicates the number of volumes available.