
Quantum DLT 4000 Tape Drive 5-1
Chapter 5
SCSI COMMANDS
This chapter describes the SCSI protocol features implemented in the DLT 4000 tape drive. Note that
the sections included in this chapter do not fully reiterate every ANSI SCSI message, option, and/or
command code specification; the sections do describe the supported commands, messages,
options, and error recovery procedures.
5.1 OVERVIEW OF COMMAND AND STATUS PROCESSING
The Quantum DLT 4000 tape drive supports the SCSI commands listed in Table
5-1. The subsection of this chapter that details each of the SCSI commands is
listed in the “Section” column.
Table 5-1 Supported SCSI Commands
Command Operation Code Section
ERASE 19h 5.3
INQUIRY 12h 5.4
LOAD UNLOAD 1Bh 5.5
LOCATE 2Bh 5.6
LOG SELECT 4Ch 5.7
LOG SENSE 4Dh 5.8
MODE SELECT (6 / 10) 15h / 55h 5.9
MODE SENSE (6 / 10)) 1Ah / 5Ah 5.10
PREVENT ALLOW MEDIUM REMOVAL 1Eh 5.11
READ 08h 5.12
READ BLOCK LIMITS 05h 5.13
READ BUFFER 3Ch 5.14
READ POSITION 34h 5.15
Kommentare zu diesen Handbüchern