Quantum DLT 8000 Product Manual page 324

SCSI Commands
REPORT DENSITY SUPPORT Command (44h) (continued)
Table 5–82 REPORT DENSITY SUPPORT Command — Field Descriptions
Data Field
Media
Allocation
Length
The REPORT DENSITY SUPPORT command 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.
The figure below illustrates the REPORT DENSITY SUPPORT header.
Bit 7
Byte
(MSB)
0 - 1
2 - 3
4 - n
Figure 5–85 REPORT DENSITY SUPPORT Header — Data Format
The following table provides a description of the Available Density Support Length field;
the Density Support Data Block Descriptors field has a separate illustration and
description table.
5-180
Description
When this bit = 0, it indicates that the device server will return density
support data blocks for densities supported by the logical unit for any
supported media.
When this bit = 1, it indicates that the device server will return density
support data blocks for densities supported by the mounted medium.
This value in this field specifies the maximum number of bytes that the
device server may return.
6 5
Available Density Support Length
Density Support Data Block Descriptors
Quantum DLT 8000 Tape System
4 3
Reserved
2 1 0
(LSB)