Hitachi ULTRASTAR 15K450 HUS154530VLF400 - Manual (Page 311)

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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19.59.2 Write Data (Mode 00010b)
In this mode, the DATA OUT phase contains buffer data.
Buffer ID must be zero. If another value is specified, no download function is performed and the command is terminated with
Check Condition status. And the drive shall set the sense key to Illegal Request and additional sense code to Illegal Field In
CDB.
Buffer Offset specifies the offset of the memory space specified by the Buffer ID. The initiator should conform to the offset
boundary requirements returned in the READ BUFFER descriptor. If the value exceeds the buffer specified, the command is
terminated with Check Condition status. And the drive shall set the sense key to Illegal Request and additional sense code to
Illegal Field In CDB.
Parameter List Length specifies the Parameter List Length. It must be
• less than the capacity of the buffer size after adding the Buffer Offset value and
• on a sector boundary
A Parameter List Length of zero indicates no data is to be transferred and command status is returned.
If an invalid value is specified, the command is terminated with Check Condition status. And the drive shall set the sense key
to Illegal Request and additional sense code to Illegal Field In CDB.