Fujitsu MAN3184, MAN3367, MAN3735 SERIES DISK DRIVES specifications Vendor unique

		b.	Transfer byte length or parameter list length
			When this field is specified as the “Transfer Byte Length” or “Parameter List Length,” that
			command specifies data length to be transferred between the INIT and the IDD, expressed as
			the number of bytes. When 0 is specified in this field, data transfer is not executed, except in
			cases where it is expressly stated in the individual command specifications in Chapter 3.
			In commands which send parameters necessary for executing a command from the INIT to the
			IDD, this field is called the “Parameter List Length,” and it specifies the total number of types
			in the parameter list which the INIT is sending.
			On the other hand, in commands for receiving information from the IDD (REQUEST SENSE,
			INQUIRY, etc.), this field is called the “Transfer Byte Length,” and specifies the maximum
			number of bytes which the INIT can				receive (the number of bytes of area secured within the
			INIT for receiving information). The IDD transfers either the number of effective bytes of the
			type of information specified in the command, or the value specified in the “Transfer Byte
			Length” field, whichever is the smallest number of bytes, and only that number, to the INIT.
(5)	Control byte
			Bit 7	6	5	4	3	2	1	0
			0	0	0	0	0	0	0	Link
		a.	Link
			Command link is specified by this bit is “1.” Details of the operation of the command link are
			described in Section 1.3.2.
		b.	Bit 7, 6	(vendor unique)
			Except in cases where it is expressly specified in the individual commands, specification of
			these bits has no meaning, and the IDD disregards the specified values.

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