Defect List Header; Bytes From Index Format (100B) - IBM Ultrastar 36LZX Specifications

Note: The drive will terminate the Data In phase when the Allocation Length has been transferred or
when all available Defect Data has been transferred to the initiator, whichever is less.
The Read Defect Data contains a four byte header, followed by zero or more defect descriptors.

8.19.1 Defect List Header

7 6
Byte
0
1 Reserved = 0
2
3
4 (MSB)
|
7
Figure 122. Defect List Header

8.19.2 Bytes from Index Format (100b)

Byte
0 (MSB)
1
2
3
4 (MSB)
5
6
7
Figure 123. Defect Descriptors of Bytes from Index Format
Defect Bytes from Index is derived using the following equation:
Bytes from Index = (Physical Sector Number) * N
Where: N = Bytes per sector
Bit
5 4 3
Defect List Header
Rsvd = 0
Plist Glist
Rsvd = 0
Defect List length
Defect Descriptors
Cylinder Number of Defect
Head Number of Defect
Defect Bytes from Index
Ultrastar 36LZX hard disk drive specifications
2 1 0
Defect List Format
(LSB)
(LSB)
(LSB)
149