Reference Guide

Chapter 4 SCSI Commands
REPORT DENSITY SUPPORT Command (44h)
DLT-S4 Interface Reference Guide 283
Table 156 REPORT DENSITY
SUPPORT Command — Field
Descriptions
Report Density Support 4 Figure 143 illustrates the REPORT DENSITY SUPPORT header.
Figure 143 REPORT DENSITY
SUPPORT Header — Data
Format
Table 157 provides a description of the fields in the REPORT DENSITY
SUPPORT
header.
Field Description
Media When set to 0, the drive returns density support data blocks for the densities of any
supported medium. When set to 1, the drive returns density support data blocks for the
densities supported by the mounted medium only.
Medium Type When set to 0, the drive returns a
REPORT DENSITY SUPPORT header followed by one or
more Density Report descriptors as shown in figure 143
. When set to 1, the drive returns
a
REPORT DENSITY SUPPORT header followed by one or more Medium Type descriptors
are shown in figure 145
.
Allocation
Length
Specifies the maximum number of data bytes that the drive is allowed to return.
Bit
7 6 5 4 3 2 1 0
Byte
0 — 1
(MSB)
Available Density Support Length
(LSB)
2 — 3 Reserved
4 — n Density Support or Medium Type Descriptor(s)