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Drive specifications
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SECTOR CONFIGURATION DESCRIPTOR INDEX field specifies the Sector Configuration descriptor in the Set Sector Configu-
ration log page
Sector Configuration log (Log Address 2Fh)
The Sector Configuration log contains Sector Configuration descriptors. The Sector Configuration descriptors describe
sector configurations. The sector configuration is specified using the SET SECTOR CONFIGURATION EXT command.
Table 4 Sector Configuration descriptors page format (log page 00h)
Offset
Type
Description
0...15
Bytes
Sector Configuration descriptor 0
16...31
Bytes
Sector Configuration descriptor 1
... ... ...
112...127
Bytes
Sector Configuration descriptor 7
128...511
Bytes
Reserved
Table 5 Sector Configuration descriptors format
Offset
Type
Description
0
Byte
Sector Configuration descriptor flags
Bit Description
7 DESCRIPTOR VALID bit
6:0 Reserved
1
Byte
LOGICAL TO PHYSICAL SECTOR RELATIONSHIP SETTING field
2...3
Word
DESCRIPTOR CHECK field
4...7
DWord
LOGICAL SECTOR SIZE SETTING field
8...15
Bytes
Reserved
2.2.2
LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the
number of guaranteed sectors as defined above.
See Section 5.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit
addressing support of drives with capacities over 137GB.
Seagate Exos X24 SATA Product Manual, Rev. C
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