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

The Read Defect Data contains a four byte header followed by zero or more defect descriptors.

8.18.1 Defect List Header

Byte 7 6
0
1 Reserved = 0
2 (MSB)
3
Figure 118. Defect List Header

8.18.2 Bytes from Index Format (100b)

Byte
0 (MSB)
1
2
3
4 (MSB)
5
6
7
Figure 119. Defect Descriptors of Bytes from Index Format
Defect Bytes from Index is gotten 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
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)
146