Seagate 77767496 Product Manual page 288

In response to the Read Capacity (10) command, the drive returns eight bytes of Read Capacity data to the
host. The contents of the eight bytes are listed in Table 179.
Table 179: Read Capacity data
Byte Description
Logical Block Address (MSB)
0
Logical Block Address
1
Logical Block Address
2
Logical Block Address (LSB)
3
4 Block Length (MSB)
Block Length
5
Block Length
6
Block Length (LSB)
7
274 Fibre Channel Interface Manual, Rev. D