TAPE UNIT SCSI COMMANDS M2488 PRODUCT GUIDE
4-8 CG00000-011503 REV. A April 1997
4-3.3 DISPLAY command CFh (11h)
For display data length of 11h (default value), 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 4-3.3.2.
4-3.3.1 DISPLAY CDB De scription (1 1h)
DISPLAY is a ten-byte command. The bytes are shown below and described in Table 4-5. Com-
mon fields are described in paragraph 4-3.1 on page 4-4.
The parameter list length specifies the length of control and display information to be transferred
from the initiator. A CHECK CONDITION is returned if the specified length is not 0 or 17 bytes
(11h).
BITS
BYTES 7 6 5 4 3 2 1 0
01 1 0 0 1 1 1 1
1LUN Reserved
2Reserved
3Reserved
4Reserved
5Reserved
6Reserved
7Reserved
8Parameter List Length = 11h
9Reserved Flag Link
Note: Changeable fields in the CDB are shaded.
Table 4-5. DISPLAY Field Description (11h)
BYTE BIT VALUE DESCRIPTION
0 0-7 CFh Operation Code.
8 0-7 11h The Parameter List Length specifies the length of control and display
information to be transferred from the initiator.