Reference Guide

Chapter 4 SCSI Commands
REPORT DENSITY SUPPORT Command (44h)
DLT-S4 Interface Reference Guide 284
Table 157 REPORT DENSITY
SUPPORT Header — Field
Descriptions
The REPORT DENSITY SUPPORT command with a Medium Type bit set to
zero returns a header followed by one or more density support data
blocks. The data blocks are presented in ascending numerical order of the
primary density code value.
Figure 144
and table 158 provide information about the Density Support
Descriptor.
Figure 144 DENSITY
SUPPORT Descriptor — Data
Format
Field Description
Available
Density Support
Length
Specifies the number of bytes in the data that
follows that are available to be transferred. Note
that the length value does not include the length of
the field itself.
Density Support
or Medium Type
Descriptor(s)
See figure 144
and figure 145.
Bit
7 6 5 4 3 2 1 0
Byte
0 Primary Density Code
1 Secondary Density Code
2 WrtOk DUP Deflt Reserved
3 — 5 Reserved
5 — 7
(MSB)
Bits Per MM
(LSB)
8 — 9
(MSB)
Media Width
(LSB)