IBM DDRS-39130 - Ultrastar 9.1 GB Hard Drive Specifications page 132

7 6
BYTE 0 (MSB)
BYTE 1
BYTE 2
BYTE 3
BYTE 4 (MSB)
BYTE 5
BYTE 6
BYTE 7
Figure 91. Format of R E A D CAPACITY command reply
Block Length specifies the length in bytes of the block. It is set to 512.
122
O E M Spec. of DDRS-3xxxx
BIT
5 4 3 2
Logical Block Address
Block Length
= 512
1 0
(LSB)
(LSB)