Page
94
LTO SCSI Interface Manual
Field Descriptions
Field
Bytes
Bits
Description
Available
Density
Descriptor
Length
0-1
The total amount of data that is available to be returned excluding
this field.
Reserved
2-3
All reserved bits are 0.
One or more Report Density Support pages in the format shown below follow the
header.
Report Density Support Data Block Descriptor
Byte
Bits
7
6
5
4
3
2
1
0
0
Primary Density Code
1
Secondary Density Code
2
WRTOK DUP
DEFLT
Reserved
3
Reserved
4
Reserved
5
Bits per mm, MSB
6
Bits per mm
7
Bits per mm, LSB
8
Media Width, MSB
9
Media Width, LSB
10
Tracks, MSB
11
Tracks, LSB
12
Capacity, MSB
13
Capacity
14
Capacity
15
Capacity, LSB
16-23
Assigning Organization
24-31
Density Name
32-51
Description
Field Descriptions
Field
Bytes
Bits
Description
Primary Density
Code
0
40h, indicating Ultrium 1
Secondary
Density Code
1
40h, indicating Ultrium 1
WRTOK
2
7
0 = This format can only be read.
1 = This format can be read and written.
DUP
2
6
Always 0, indicating that each density is only reported once.
DEFLT
2
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.
Bits per mm
5-7
4880
Media Width
8-9
127
Tracks
10-11
384
