Inquiry
Julyl 2017 Command Set 47
SCSI Ports Page
TABLE 4-16 shows the format of the SCSI Ports Page.
TABLE 4-16 SCSI Ports Page Data
Byte
Bit
76543210
0 Peripheral Qualifier Peripheral Device Type
1 Page Code (88h)
2 Reserved (00h)
3 Additional Page Length
4
to
27
(MSB)
SCSI Port Identification Descriptor
(LSB)
28
to
51
(MSB)
SCSI Port Identification Descriptor
(included if the drive has 2 ports and both ports are enabled) (LSB)
SCSI Ports Page Definitions:
Peripheral Qualifier The library returns a value of:
• 000b = Indicates the specified peripheral device type is currently
connected to this logical unit.
• 011b = If the command is sent to an unsupported logical unit.
(b = binary notation)
Peripheral Device Type The library returns a value of:
• 8h = Indicates that the library is a medium changer device.
• 1Fh = If the command is sent to an unsupported logical unit.
Additional Page
Length
The library has:
• 18h = 24d additional bytes of SCSI Ports Data available to the initiator.
• 30h = 48d additional bytes of SCSI Ports Data available to the initiator.
Note – This value is returned, if the drive has 2 SCSI ports and both SCSI
ports are enabled.
SCSI Port Identification
Descriptor
See TABLE 4-17 for more information.
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