Quantum Audio STT3401A Manuel D’Utilisation

Page de 137
ATAPI Interface 
Chapter 5 
Seagate Travan 40 Product Manual 
Page 31 
 
 
INQUIRY (Group 0, Op. Code 12) 
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 
Hex 
12 
00 
00 
00 
Allocation Length 
XX 
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 
Hex 
Peripheral Qualifier 
SCSI Device Type 
01 
RMB 
Reserved 
80 
ISO Version 
ECMA Version 
ANSI Version 
0X 
TrmIOP
 
Response Data Format 
42 
Additional Length 
31 
Reserved 
00 
Reserved 
00 
Sync 
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.