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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)