Fujitsu M2488 manual Display CDB Description 10h, Display Field Description 10h, Lun

TAPE UNIT SCSI COMMANDS M2488 PRODUCT GUIDE

4-3.4 DISPLAY command CFh (10h)

For display data length of 10h, refer toFT4, bit 7 described in the M2488 User’s Guide.

The DISPLAY command is used to display a message on the operator panel of the tape drive or car- tridge loader (if installed). This command is executed even if the Magnetic Tape Unit (MTU) is NOT READY. The Display Data is described in paragraph 4-3.4.2.

4-3.4.1 DISPLAY CDB Description (10h)

DISPLAY is a ten-byte command. The bytes are shown below and described in Table 4-10. Com- mon fields are described in paragraph 4-3.1 on page 4-4.

									BITS
BYTES	7		6		5		4			3	2	1		0
0	1		1		0		0			1	1	1		1
1
				LUN							Reserved
2								Reserved
3		Display Mode Selection					Display			Flash	Half Msg	Reserved		Data Format
							Length
4								Reserved
5								Reserved
6								Reserved
7								Reserved
8							Parameter List Length = 10h
9
						Reserved							Flag		Link

Note: Changeable fields in the CDB are shaded.

Table 4-10. DISPLAY Field Description (10h)

BYTE	BIT	VALUE	DESCRIPTION
0	0-7	CFh	Operation Code.
3	0-7		This byte is the display format control byte. The fields in this control byte
			are described in Table 4-11.
8	0-7	10h	The Parameter List Length specifies the length of c display information to
			be transferred from the initiator.

The parameter list length specifies the length of display information to be transferred from the ini- tiator. A CHECK CONDITION is returned if the specified length is not 0 or 16 bytes (10h).

4-12 CG00000-011503 REV. A April 1997