SCSI Commands: 17BINQUIRY Page 33Field Bytes BitsDescriptionSupported VitalProduct Data PageCode4 Always 00h, the page code of the Supported Vital ProductData INQUIRY PageUnit Serial NumberPage Code5 Always 80h, the page code of the Unit Serial Number PageDevice IdentificationPage Code6 Always 83h, the page code of the Device Identification PageSequential AccessDevice CapabilitiesPage Code7 Always B0h, the page code of the Sequential Access DeviceCapabilities PageSCSI FirmwareRevision Page Code8 Always C0h, the page code of the SCSI Firmware RevisionPageServo FirmwareRevision Page Code9 Always C1h, the page code of the Servo Firmware RevisionPageHead AssemblySerial Number Page10 Always C2h, the page code of the Head Assembly SerialNumber Page.Reel Motor 1 SerialNumber Page11 Always C3h, the page code of the Reel Motor 1 SerialNumber Page.Reel Motor 2 SerialNumber Page12 Always C4h, the page code of the Reel Motor 2 SerialNumber Page.Board Serial NumberPage13 Always C5h, the page code of the Board Serial NumberPage.Base MechanicalSerial Number Page14 Always C6h, the page code of the Base Mechanical SerialNumber Page.3.5.4 Unit Serial Number Page (80h)The Unit Serial Number Page contains a single value, which is a 12 byte ASCIIstring. The string, with the Vendor Identification and Product Identification fields inthe standard INQUIRY data, uniquely identifies the drive.ByteBits7 6 5 4 3 2 1 00 Peripheral Qualifier Peripheral Device Type1 Page Code2 Reserved3 Page Length4-15 Drive Serial Number3.5.4.1 Unit Serial Number Page Field DescriptionsField Bytes Bits DescriptionPeripheralQualifier0 5-7 Always 000b.PeripheralDeviceType0 0-4 Normally 01h to indicate a sequential access device.7Fh in byte 0 indicates that a logical unit is not present. This value isreturned when an invalid LUN is specified.PageCode1 Always 80h, indicating the Unit Serial Number PageReserved 2 Always 0