Mode Select Extended (55) - Fujitsu MAX3073NC - SCSI,80, Dell DC961,Hard Drive Scsi Logical Interface Specifications

3.1.6

MODE SELECT EXTENDED (55)

Bit
Byte
0
1
2
3
4
5
6
7
8
9
This command performs setting and changing of each type of parameter related to disk drive physical
attributes, data format, timing of SCSI bus disconnect/reconnect processing and error recovery
procedures, etc.
This command's function is the same as that of the Group 0 MODE SELECT command (Section 3.1.5),
except that the format of its data transferred by the INIT differs partially from that of the (MODE
SELECT) data format.
Figure 3.10 shows the configuration of the parameter list (MODE SELECT parameters) transferred by
this command from the INIT.
command, it is necessary for an 8-byte header to be transferred in this command. The contents of each
field in the header except that the byte positions differ, are the same as in the case of the Group 0 MODE
SELECT command. The contents of the other parameters (Block descriptor, Page descriptor) are also
the same as in the case of the Group 0 MODE SELECT command.
C141-C010
7 6 5
LUN
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
Parameter List Length (MSB)
Parameter List Length (LSB)
0 0 0
Compared to the 4-byte header in the Group 0 MODE SELECT
3.1 Control/Sense Commands
4 3 2
X'55'
PF 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
1 0
0 SP
0 0
0 0
0 0
0 0
0 0
0 Link
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