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12.21.16 Sector Configuration log (log page 2Fh)
Table 157 defines the format of the Sector Configuration log which contains Sector Configuration descriptors. The
Sector Configuration descriptors describe sector configurations. The sector configuration is specified using the Set
Sector Configuration Ext command (see Section 12.53).
Table 157 Sector Configuration log
Description
Bytes
Offset
Sector Configuration descriptor Entry #0
16
00h
Sector Configuration descriptor Entry #1
16
10h
…
Sector Configuration descriptor Entry #7
16
70h
Reserved
384
80h
512
12.21.16.1 Sector Configuration descriptor
The content of the Sector Configuration descriptor entry is shown below.
Table 158 Sector Configuration descriptor
Description
Bytes
Offset
Sector Configuration descriptor flags
1
00h
Bit
Description
7
Descriptor Valid bit
6:0
Reserved
Logical To Physical Sector Relationship Setting field
1
01h
Descriptor Check field
2
02h
Logical Sector Size Setting field
4
04h
Reserved
8
08h
16
12.21.16.2 Descriptor Valid bit
If the Descriptor Valid bit is set to one, descriptor contains valid information. If the Descriptor Valid bit is cleared to
zero, descriptor does not contain valid information.
12.21.16.3
Logical To Physical Sector Relationship Setting field
The Logical To Physical Sector Relationship Setting field indicates the setting to be used when a Set Sector
Configuration Ext command (see Section 12.53) that specifies this Sector Configuration descriptor is processed.
12.21.16.4
Descriptor Check field
The Descriptor Check field indicates a value that is compared to the Command Check field in a Set Sector
Configuration Ext command (see Section 12.53). The value in the Descriptor Check field shall not be equal to the
value in the Descriptor Check field in any other valid Sector Configuration Descriptor in this device.
12.21.16.5
Logical Sector Size Setting field
The Logical Sector Size Setting field indicates the device logical sector size setting to be set when a Set Sector
Configuration Ext command (see Section 12.53) is processed.
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Hard Disk Drive Specification