Sony SDX-800V/R manual MSB Buffer Capacity LSB

6.Command Specification									READ BUFFER
				Table 6-74: Echo Buffer descriptor
	Bit	7	6	5	4	3	2	1		0
	Byte
	0				Reserved					EBOS (1)
	1				Reserved
	2		Reserved				(MSB)
	3				BUFFER CAPACITY					(LSB)

The BUFFER CAPACITY field will return the size of the echo buffer in bytes aligned to a four-byte boundary. The maximum echo buffer size is 4096 bytes. The drive will maintain separate echo buffer for each different initiator and will ensure echo buffer data from each initiator is the same as that previously written by the same initiator.

6-74 SONY AIT-3Ex drive SDX-800V series Ver.1.1