Reference Guide

Chapter 4 SCSI Commands
INQUIRY Command (12h)
DLT-S4 Interface Reference Guide 37
Response
Data Format
2 This Standard Inquiry Data is in the format described in the
Version field.
Additional
Length
--- The drive uses this field to indicate the number of additional
bytes of
INQUIRY Response Data available. The value depends
on the number of version descriptors returned in the
INQUIRY
Response Data.
SCCS 0 SCC Supported.
ACC 0 Access Controls Coordinator.
ALUA 00b Asymmetric Logical Unit Access.
3PC 0 Third-party Copy.
BQue 0 Basic Tagged Command Queuing.
EncServ 0 Enclosure Services.
VS 0 Vendor-Specific.
MultiP 0 Multi Port.
Addr16 See table 18
. 16-Bit Addressing.
MChnger 0 Medium Changer.
RelAdr 0 Relative Addressing.
WBus16 See table 18
.Wide Bus 16.
Sync See table 18
. Synchronous Data Transfer.
Linked 0 Linked Command Support.
CmdQue See table 18
. Tagged Command Queuing.
Vendor
Identification
QUANTUM The value in this field is left-aligned and set to “QUANTUM”.
The remainder of the field is filled with space characters.
Product
Identification
DLT-S4 For the DLT-S4 tape drive, this field is set to “DLT-S4”, left-
aligned, filled with spaces to the end of the field.
Product
Revision
--- Contains 4 bytes of ASCII data that provide the drive’s firmware
revision levels. The first 2 bytes are the version number for servo
code. The second 2 bytes are the version number of the SCSI/
read/write code. When a firmware update is performed on the
tape drive, the second two bytes of the revision level change to
reflect that update.
Field Value Description