Quantum Instruments DLT 7000 - Manual (Page 174)

SCSI Commands
5-70 Quantum DLT 7000 Tape System
MODE SELECT (6) /(10) Command (15h) /(55h) (continued)
5.9.1.2 Mode Parameter Block Descriptor
The figure and table that follow provide an illustration and description of the
fields that make up the MODE SELECT command’s Mode Parameter Block
Descriptor.
Bit
Byte
7 6 5 4 3 2 1 0
0 Density Code
1 - 3
(MSB)
Number of Blocks
(LSB)
4 Reserved
5 - 7
(MSB)
Block Length
(LSB)
Figure 5–35 MODE SELECT Mode Parameter Block Descriptor - Data Format