Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB Product Manual page 167

SCSI Description
MODE SELECT (10) Command (55h) (continued)
Bit 7
Byte
(MSB)
0 - 3
4
(MSB)
5 - 7
Table 5–44 Mode Parameter Block Descriptor — Field Descriptions
Data Field
Number of Blocks
Density Code
Block Length
5–100 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
6 5
Figure 5–41 Mode Parameter Block Descriptor — Data Format
Description
The value in this field specifies the number of logical blocks on the disk
to which the density code and block length fields apply. A value of 0 in
this field indicates that all of the remaining logical blocks on the disk
have the medium characteristics specified.
The Density Code field is unique for each device type. Direct access
devices value is zero.
The value in this field specifies the length in bytes of each logical block
described by the block descriptor.
4 3 2
Number of Blocks
Density Code
Block Length
1 0
(LSB)
(LSB)