Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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19.4.2.3 Physical Sector Format - 101b
Format of the Dlist sent during the data out phase when Dlist Format is Physical Sector format (101b) and FmtData is set to
one.
Table 106:Defect Descriptor - Physical Sector Format (for n + 1 defects)
Each defect descriptor for the Physical Sector format specifies a defective sector. The defect descriptor is comprised of the cyl-
inder number of the defect, the head number of the defect, and the defect’s sector number.
Note: If a Physical Sector entry, when converted to a physical sector, is equal to the physical sector of a Plist entry and
DPRY = 1, then the entry is not added to the Glist.
Byte BIT
76543210
0
1
2
(MSB)
Cylinder Number of Defect
(LSB)
3 Head Number of Defect
4
5
6
7
(MSB)
Defect Sector Number
(LSB)
8n
8n + 1
8n + 2
(MSB)
Cylinder Number of Defect n
(LSB)
8n + 3 Head Number of Defect n
8n + 4
8n + 5
8n + 6
8n + 7
(MSB)
Defect (n) Sector Number
(LSB)