SCSI Commands: 22BMODE SELECT
Page
82
3.10.4.1
Block Descriptor Field Descriptions
Field Bytes
Bits
Description
Default = 7Fh
LTO4 drive
LTO3 drive
LTO2 = 42h (read only)
LTO1 = 40h (read only)
LTO3 = 44h
LTO2 = 42h
LTO4 = 46h
LTO3 = 44h
Density
Code
0
No change = 00h
Block
Length
5-7
0 = Variable length block mode. The Fixed bit in READ and WRITE
commands must be 0.
1 to FFFFFFh = The length of the fixed-length block to be read or
written when the Fixed bit is set in a READ or WRITE command.
Reserved
All reserved bits must be 0.
Note: Use Report Density command to determine all densities supported by the drive and density of the
tape currently in the drive.
3.10.5
Mode Parameter Pages
There are several mode parameter pages of different formats that allow you to set
different drive parameters. The following mode parameter pages are supported:
Mode Parameter Page
See Page
Disconnect/Reconnect Mode Page (02h)
84
Control Mode Page (0Ah)
88
Data Compression Control Mode Page (0Fh)
90
Sequential Access Device Configuration Mode Page (10h)
91
Protocol Specific Logical Unit Mode Page (18h)
91
Protocol Specific Port Mode Page (19h)
93
Information Exceptions Mode Page (1Ch)
91
Medium Configuration Mode Page (1Dh)
76
Drive Capabilities Control Mode Page (21h)
101
Interface Control Mode Page (22h)
101
The following table shows the general format of a Mode Parameter Page.
Byte
Bits
7 6 5 4 3 2 1 0
0
Reserved Page
Code
1
Additional Page Length
2 - n
Mode Parameters
Summary of Contents for LTO 4
Page 1: ......
