Quantum DLT 4000 Product Manual page 179

Other Inquiry Data Fields
The rest of the fields in the Inquiry Response are used as follows:
Byte 1:
RMB - The Removable Medium bit is one.
Device-Type Modifier - Set to 0.
Byte 2:
IOS Version - Set to 0
ECMA Version - Set to 0
ANSI Approved Version - Set to 02h, indicating compliance with SCSI-2
Byte 3:
ANEC - Set to 0 (Asynchronous Event Notification not supported)
TrmIOP - Set to 1 (TERMINATE I/O PROCESS message supported)
Response Data Format - Set to 2 (Inquiry Data in SCSI-2 format)
Byte 4:
Additional Length - The tape drive sets this field to indicate the number of
Byte 6: All bits set to zero, except:
MChngr - Set to 1 if an integrated Media Loader is present and EEROM
parameter EnbIngMedChgr is set to 1. This SCSI-3 bit indicates
that the Read Element Status and Move Medium commands can
be issued to the drive LUN (0). By default, this bit is off on the
DLT4000 products.
additional bytes of INQUIRY Response Data available
DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem 8-19
DLT4000 SCSI Interface