Quantum DLT 4000 Product Manual page 12

Contents
7.2.1 Updating firmware on a Standalone System ........................................... 7-2
7.3 Creating a Firmware Update Tape .................................................................. 7-4
7.3.1 On UN*X Systems ................................................................................. 7-4
7.4 Firmware Update Procedure............................................................................ 7-6
7.4.1 Updating the Firmware on DLT4000 (Drive Only Configuration) .......... 7-6
7.4.2 Updating the Firmware on the DLT4500 (Drive and Loader
Configuration) ................................................................................................ 7-9
7.4.3 Updating the Firmware on the DLT4700 (Drive and Loader
Configuration) .............................................................................................. 7-14
Chapter 8: DLT4000 SCSI Interface
8.1 Overview ........................................................................................................ 8-1
8.2 General SCSI Bus Operations......................................................................... 8-1
8.2.1 Data Transfer ......................................................................................... 8-1
8.2.2 Initiator/Target Operations..................................................................... 8-2
8.2.3 SCSI IDs and Logical Unit Numbers (LUNs) ......................................... 8-2
8.2.4 Unit Attention Condition........................................................................ 8-3
8.2.5 Behavior Around Power-On and SCSI Bus Reset ................................... 8-3
8.2.6 Data Cache and Tape Write Interaction.................................................. 8-4
8.2.7 Other SCSI Functionality ....................................................................... 8-4
8.2.8 Bus Phases ............................................................................................. 8-4
8.2.9 ATTENTION Signal Response .............................................................. 8-4
8.2.10 STATUS phase .................................................................................... 8-5
8.2.11 BUS FREE ........................................................................................... 8-6
8.2.12 BUS PARITY ERRORS ....................................................................... 8-6
8.3 SCSI Message System..................................................................................... 8-8
8.4 Tape Drive SCSI Commands ........................................................................ 8-14
8.4.1 Control Byte - Flag and Link Bits......................................................... 8-14
8.4.2 Summary of Supported Sequential-Access Device Commands.............. 8-15
x-DLT4000\DLT4500\DLT4700 Cartridge Tape Subsystem