Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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19.21.0.1 Returned Data Format
The data returned to the Initiator in response to the READ CAPACITY command is described here. The data is returned in the
DATA IN phase.
Table 185:Format of READ CAPACITY command reply
•Block Length specifies the length in bytes of each block of user data (not including protection information).
Byte Bit
67543210
0-3
(MSB)
Maximum Logical Block Address
(LSB)
4-7
(MSB)
Block Length
(LSB)