If ByteChk=1, and VRPROTECT is not set to 000b, checking of protection information is performed on the fields described
above as a byte-by-byte comparison against the data transferred to the drive by the initiator during the Data Out phase..
Refer to the ANSI T10 standards for additional details of protection information.
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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