Reference Guide

Chapter 4 SCSI Commands
INQUIRY Command (12h)
DLT-S4 Interface Reference Guide 40
Table 19 Vendor-Specific
Inquiry Data Page — Field
Descriptions
Field Description
Product Family Indicates the data density of the tape drive. This field is set to a value of Dh
for the DLT-S4.
Released Firmware Differentiates between released and test versions of firmware. The Released
Firmware field combined with the Minor Version field, can be used to
determine the Code Version. Released customer code has no minor
firmware version number (byte 38 is set to 0). The following shows how to
determine the Code Version based on the Minor Version and the Released
Firmware Fields:
Code
Version
Released
Firmware
Minor
Version
V code 1 0
T code 1 Non-zero
X code 0 any
Version Number Fields These fields display the various version numbers in binary format, instead
of ASCII.
Firmware Personality Numeric indicator of firmware personality. Note that when set to 4,
indicates OEM family.
Firmware Subpersonality Indicates the variant of the firmware personality. Always set to 1, indicating
the primary firmware personality variant.
Vendor-Specific Subtype Product identification.
Media Loader Present Flag Set to zero to indicate there is no attached medium changer present.
Library Present Flag Set to 0 to indicate the drive has not detected the presence of a library
controller. Set to a non-zero value when communications has been
established with a tape automation system.
Module Revision A 4-byte ASCII string representing the revision level of the tape drive’s
module (the controller PCBA attached to the drive).