Operating instructions

6-4
SCSI REFERENCE 1012975
CHAPTER 6—INQUIRY (12h)
Peripheral Qualifier – Byte 00, Bits 7 through 5
The value returned for this field is 0, indicating that the autoloader is a single
LUN device. If you specify a LUN other than 0 when you issue this command,
the value returned for this field is 011b (binary), which indicates that the
autoloader is not capable of supporting a physical device on the specified
logical unit.
Peripheral Device Type – Byte 00, Bits 4 through 0
The value returned for this field is 08h, identifying the autoloader as a
medium changer device. If you specify a LUN other than 0 when you issue
this command, the value returned for this field is 1Fh, indicating that the
peripheral device type is unknown. The remainder of the standard inquiry
data is returned normally for the autoloader.
RMB (Removable Medium Bit) – Byte 01, Bit 7
The value returned for this field is 1, indicating that the media is removable.
Version – Byte 02
The value returned for this byte is 04h, indicating support of the current ANSI
version of SPC-2 (SCSI Primary Commands – 2).
AERC (Asynchronous Event Reporting Capability) – Byte 03, Bit 7
The value returned for this field is 0, indicating that the autoloader does not
support this function.
NormACA (Hierarchical Support) – Byte 03, Bit 5
The value returned for this field is 0, indicating that the autoloader does not
support this function.
HiSup (Normal ACA Supported Bit) – Byte 03, Bit 5
The value returned for this field is 0, indicating that the autoloader does not
support this function.
74
Reserved
...
95
96 (MSB)
... Unit Serial Number
107 (LSB)
Bit
Byte
7 6 5 4 3 2 1 0