Parameter List Block Descriptor; Table 100 Mode Select Parameter List Block Descriptor - Data Format; Table 101 Mode Select Parameter List Block Descriptor - Field Descriptions - Quantum LTO 2 User Manual

Parameter List Block
Descriptor
Table 100 MODE SELECT

Parameter List Block Descriptor

— Data Format
Table 101 MODE SELECT
Parameter List Block Descriptor
— Field Descriptions
LTO-2 SCSI Interface Guide
The following table presents the Parameter List block descriptor.
2
Bits 7
Byte
0
1
2
3
4
(MSB)
5–7
Field Bytes
Density 0
Code
Block 5-7
Length
Reserved
Density Code field is not used in LTO. To determine the
Note:
density of the tape in the drive, or the supported tape densities
the Report Density command should be used.
6 5 4
Density Code
Reserved
Reserved
Reserved
Reserved
Block Length
Bits Description
MODE SELECT
MODE SENSE
0 = Variable length block mode. The
Fixed bit in
must be 0.
1 to FFFFFFh = The length of the fixed-
length block to be read or written when
the Fixed bit is set in a
command.
All reserved bits must be 0.
Chapter 2 SCSI Commands
MODE SELECT Command
3 2 1
: Always 00h
: Always 00h
and commands
READ WRITE
or
READ WRITE
0
(LSB)
126