![background image](http://html2.mh-extra.com/html/quantum/dlt-s4/dlt-s4_reference-manual_3531879322.webp)
Chapter 4 SCSI Commands
REPORT DENSITY SUPPORT Command (44h)
DLT-S4 Interface Reference Guide
288
Table 159 Medium Type
Descriptor
—
Field
Descriptions
36 — 55
(MSB)
Description
(LSB)
Field
Description
Medium Type
The
MEDIUM TYPE
field contains the value returned by a
MODE SENSE
command
in the Medium Type field in the Mode Parameter Header for the medium type
described in the remainder of the medium type descriptor.
Descriptor Length
The
DESCRIPTOR LENGTH
field contains the length of the descriptor minus 4.
Number of Density
Codes
The
NUMBER OF DENSITY CODES
field contains the number of valid density
codes present in the
PRIMARY DENSITY CODES
field.
Primary Density
Codes
The
PRIMARY DENSITY CODES
field contains a list of primary density code values
supported by the drive for the medium type. The primary density code values are
listed in ascending order. Any unused bytes in this field contain zero.
Media Width
The
MEDIA WIDTH
field specifies the width of the medium. This field has units of
tenths of millimeters.
Media Length
The
MEDIUM LENGTH
field specifies the nominal length of the medium. This field
has units of meters.
Assigning
Organization
The
ASSIGNING ORGANIZATION
field contains eight bytes of ASCII data
identifying the organization responsible for the specifications defining the values
in this medium type descriptor.
Medium Type
Name
The
MEDIUM TYPE NAME
field contains eight bytes of ASCII data identifying the
document (or other identifying name) that is associated with this medium type
descriptor.
Description
The
DESCRIPTION
field contains twenty bytes of ASCII data describing the
medium type.
Bit
7
6
5
4
3
2
1
0
Byte