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124
LTO SCSI Interface Manual
Write Buffer Data Header
If the Mode field is set to 0000b, then the data sent must be preceded by a 4 byte
Write Buffer Data Header. The following table shows the fields in the Write Buffer
Data Header.
Byte
Bits
7
6
5
4
3
2
1
0
0
Reserved
1
Reserved
2
Reserved
3
Reserved
Field Descriptions
Field
Bytes
Bits
Description
Reserved
0-3
All bits are 0.
Completion Status
Code
Message
Description
00h
Good
Status
•
The drive is ready to perform any appropriate command.
•
The drive remains in any previously set mode.
•
The tape position is not changed.
02h
Check
Condition
Use the Request Sense command to retrieve status information. Possible
Sense Keys are:
Code
Message
Description
04h
Hardware Error
Drive hardware failure detected.
05h
Illegal Request
The Command Descriptor is invalid, the
transfer length exceeds the maximum, or the
microcode file is invalid.
06h
Unit
The cartridge was changed, or the drive was
reset prior to this command. Microcode im-
age has been changed.
