
Chapter 4 SCSI Commands
MODE SELECT (6) / (10) Command (15h / 55h)
DLT-S4 Interface Reference Guide 102
Mode Parameter Header 4 Figure 54, figure 55, and table 64 illustrate and describe the fields that
make up the
MODE SELECT command’s Mode Parameter header.
Figure 54 MODE SELECT (6)
Mode Parameter Header —
Data Format
Figure 55 MODE SELECT (10)
Mode Parameter Header —
Data Format
Bit
Byte
7 6 5 4 3 2 1 0
0 Reserved
1 Medium Type
2 Ignored Buffered Mode Speed (0h)
3 Block Descriptor Length
Bit
Byte
7 6 5 4 3 2 1 0
0 — 1 Reserved
2 Medium Type
3 Ignored Buffered Mode Speed (0h)
4 — 5 Reserved
6 — 7
(MSB)
Block Descriptor Length
(LSB)
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