IBM Ultrastar 36LZX, Specifications

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8.4.2.3 Physical Sector format
Each defect descriptor for the Physical Sector format specifies a defect that is the length of a sector.
The defect descriptor is comprised of the cylinder number of the defect, the head number of the defect,
and the defect sector number.
Defect Descriptor n
8n -
8n + 7
(MSB)
Defect Sector Number
(LSB)
4
5
6
7
Head Number of Defect 3
(MSB)
Cylinder Number of Defect
(LSB)
0
1
2
0 1 2 3 4 5 6 7
Bit
Byte
Figure 54. Defect descriptor - Physical Sector format.
Format of the defect list sent during the data out phase when FmtData set to one.
Ultrastar 36LZX hard disk drive specifications
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