User's Manual

DLT2000 SCSI Interface
DLT2000/DLT2700 Cartridge Tape Subsystem 8-33
• LP–List Parameter: This bit should always be set to 0 to indicate parameter codes
are treated as data counters.
Error Detection Summary in Log Select Pages
The host should issue a LOG SENSE command to initialize host software which allows:
• Correct determination of the pages the drive uses
• Determination of the parameter codes and length of each parameter
The following conditions constitute errors in the parameter block that will cause the
drive to return CHECK CONDITION with the sense data set to ILLEGAL REQUEST
and additional sense code INVALID FIELD IN PARAMETER LIST:
• If a page header is received with unsupported page codes
• Incorrect log page length is specified in the page header
• An illegal parameter code within a valid page code
• Parameter codes for a supported page are not sent in ascending order
• LP bit is set to 1 in the parameter control byte
• DS bit is set to zero in the parameter control byte
• TSD bit is set to zero in the parameter control byte