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Page 94
Report Density Support Data Block Descriptor
Field Descriptions
Field Descriptions
Field
Bytes
Bits
Available
0-1
Density
Descriptor
Length
Reserved
2-3
One or more Report Density Support pages in the format shown below follow the
header.
Bits
Byte
7
6
0
1
2
WRTOK DUP
3
4
5
6
7
8
9
10
11
12
13
14
15
16-23
24-31
32-51
Field
Bytes
Primary Density
0
Code
Secondary
1
Density Code
WRTOK
2
DUP
2
DEFLT
2
Bits per mm
5-7
Media Width
8-9
Tracks
10-11
Description
The total amount of data that is available to be returned excluding
this field.
All reserved bits are 0.
5
4
3
Primary Density Code
Secondary Density Code
DEFLT
Reserved
Reserved
Reserved
Bits per mm, MSB
Bits per mm
Bits per mm, LSB
Media Width, MSB
Media Width, LSB
Tracks, MSB
Tracks, LSB
Capacity, MSB
Capacity
Capacity
Capacity, LSB
Assigning Organization
Density Name
Description
Bits
Description
40h, indicating Ultrium 1
40h, indicating Ultrium 1
7
0 = This format can only be read.
1 = This format can be read and written.
6
Always 0, indicating that each density is only reported once.
5
0 = Not the density of the current medium.
1 = This is the density of the current medium.
This is always 1 for first generation drives since all media is the
same format.
4880
127
384
LTO SCSI Interface Manual
2
1
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