Viper 60s Theory Of Operation And Maintenance Manual page 9

VIPER SCSI 60, 125 & 150 THEORY OF OPERA TION AND MAINTENANCE
5.18 RELEASE UNIT (17h) ..................................................................................................... 5-44
5.18.1 RELEASE UNIT Command Descriptor Block ................................................... 5-44
5.18.2 Command Descriptor Block Field Descriptions ................................................ 5-44
5.18.3 Completion Status .................................................................................................. 5-45
5.19 COpy (18h) ....................................................................................................................... 5-46
5.19.1 Command Descriptor Block ................................................................................. 5-46
5.19.2 Command Descriptor Block Field Description ................................................. 5-46
5.19.3 COpy Command Description .............................................................................. 5-46
5.19.4 COPY Parameter List Header Block ................................................................... 5-47
5.19.5 Parameter List Header Block Field Descriptions .............................................. 5-48
5.19.6 D/ A to SEQ Segment Descriptor ......................................................................... 5-48
5.19.6.1 D/ A to SEQ Segment Descriptor Block .................................................... 5-49
5.19.6.2 D/ A to SEQ Segment Descriptor Field Descriptions .............................. 5-49
5.19.7 SEQ to D/ A Segment Descriptor ......................................................................... 5-50
5.19.7.1 SEQ to D/ A Segment Descriptor Block .................................................... 5-50
5.19.7.2 SEQ to D/ A Segment Descriptor Field
~escriptions
.............................. 5-51
5.19.8 SEQ to SEQ Segment Descriptor .......................................................................... 5-51
5.19.8.1 SEQ to SEQ Segment Descriptor Block ..................................................... 5-52
5.19.8.2 SEQ to SEQ Segment Descriptor Field Descriptions ............................... 5-53
5.19.9 Completion Status .................................................................................................. 5-54
5.20 ERASE (19h) ..................................................................................................................... 5-56
5.20.1 ERASE Command Descriptor Block ................................................................... 5-56
5.20.2 Command Descriptor Block Field Descriptions ................................................ 5-56
5.20.3 Completion Status .................................................................................................. 5-57
5.21 MODE SENSE (IAh) ....................................................................................................... 5-58
5.21.1 MODE SENSE Command Descriptor Block ...................................................... 5-58
5.21.2 Command Descriptor Block Field Description ................................................. 5-58
5.21.3 MODE SENSE Header Data Format ................................................................... 5-58
5.21.4 MODE SENSE Header Data Field Descriptions ................................................ 5-59
5.21.5 Block Length DeSCriptor Field Descriptions ...................................................... 5-60
5.21.5.1Density Code, Byte 0 .................................................................................... 5-60
5.21.5.2 Implicit Mode - Default Density Code Mode ........................................... 5-60
5.21.5.3 Explict Mode .................................................................................................. 5-61
5.21.5.4 Number of Blocks, Bytes 1 to 3 ................................................................... 5-61
5.21.5.5 Block Length, Bytes 5 to 7 ............................................................................ 5-61
5.21.6 Completion Status .................................................................................................. 5-62
5.22 LOAD/UNLOAD (IBh) ................................................................................................ 5-63
5.22.1 LOAD/UNLOAD Command Descriptor Block ................................................ 5-63
5.22.2 Command Descriptor Block Field Descriptions ................................................ 5-63
5.22.3 Completion Status .................................................................................................. ·5-64
5.23 SEND DIAGNOSTIC (1Dh) ........................................................................................... 5-65
5.23.1 SEND DIAGNOSTIC Command Descriptor Block .......................................... 5-65
5.23.2 Command Descriptor Block Field ....................................................................... 5-65
5.23.3 COlnpletion Status .................................................................................................. 5-66
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