ATAPI Interface Chapter 5
Seagate Travan 40 Product Manual Page 31
The INQUIRY command allows the Host to determine the configuration of the tape
drive connected to the bus.
CDB for INQUIRY Command
Data Bits
Byte 7 6 5 4 3 2 1 0 Hex
0 0 0 0 1 0 0 1 0 12
1 0 0 0 0 0 0 0 0 00
2 0 0 0 0 0 0 0 0 00
3 0 0 0 0 0 0 0 0 00
4 Allocation Length XX
5 0 0 0 0 0 0 0 0 00
Allocation Length: This field may specify up to 54 bytes (36h) of data to be sent to
the Host. Any value greater than 36h sends 36h (54d) bytes. A 0 indicates no data is
to be sent and is not considered an error.
INQUIRY Data Block Format
Data Bits
Byte 7 6 5 4 3 2 1 0 Hex
0 Peripheral Qualifier SCSI Device Type 01
1 RMB Reserved 80
2 ISO Version ECMA Version ANSI Version 0X
3 0 TrmIOP 0 0 Response Data Format 42
4 Additional Length 31
5 Reserved 00
6 Reserved 00
7 0 0 0 Sync 0 0 0 0 10
8-0F Vendor Name in ASCII ASCII
10-1F Product Name in ASCII ASCII
20-23 Firmware Revision Level in ASCII ASCII
24-2D Reserved ASCII
2E-35 Reserved ASCII
SCSI-2 Format—INQUIRY Data Block
Peripheral Qualifier: This field is set to 000b, unless an illegal LUN is specified, in
which case it is set to 011b.
SCSI Device Type: The Device Type 01h represents a sequential access device.
RMB: The Removable Media Bit is always set indicating that removable media is
used by the device.
ISO Version: This field is 00b, indicating that the drive does not comply with ISO
version ISO DP 9316.
ECMA Version: This field is 000b, indicating that the drive does not comply with
ECMA version ECMA-111.