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4.4 Maintenance, Diagnostic Commands
A "PBdata" bit of one requests that the device server replace the first eight bytes
of the data to be written to the current physical sector with the physical address of
the sector currently being written using the physical sector format.
The IDD is not supported a "PBdata" bit. Therefore, if "PBdata" bit is one, this
command is terminated with CHECK CONDITION status (ILLEGAL REQUEST
[=5] / Invalid field in CDB [=24-00]).
A "Relative Address (RelAdr)" bit of zero indicates that the "Logical Block
Address" field specifies the first logical block of the range of logical blocks for
this command.
A "RelAdr" bit of one indicates that the "Logical Block Address" field is a two's
complement displacement. But the IDD is not supported this bit. Therefore, if
this bit is one, this command is terminated with CHECK CONDITION status
(ILLEGAL REQUEST [=5] / Invalid field in CDB [=24-00]).
The "Number of Blocks" field specifies the number of contiguous logical blocks
to be written. A "Number of Blocks" field of zero requests that all the remaining
logical blocks on the medium be written.
C141-C008
4-201