Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
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logical block accessed by the command. A Logical Block Application Tag Mask bit set to one enables the checking of
the corresponding bit of the Expected Logical Block Application Tag field with the corresponding bit of the Logical
Block Application Tag field in the protection information.
If the ATO bit is set to zero, the Logical Block Application Tag Mask field and the Expected Logical Block Application
Tag field are ignored.