User's Guide

Page 44 DDS-4 SCSI Interface Manual, Rev. B
INQUIRY Drive Serial Number Data Format Page
The following table describes the drive serial number, which is sent from the drive to
the host as data formatted in a parameter list.
Byte
Bits
7 6 5 4 3 2 1 0
0 Peripheral Device Type
1 Page code (80h)
2 Reserved
3 Page Length (7)
4 Drive Serial Number
5 Drive Serial Number
6 Drive Serial Number
7 Drive Serial Number
8 Drive Serial Number
9 Drive Serial Number
10 Drive Serial Number
Drive Serial Number Data Format Field Descriptions
The following table defines the fields in the Drive Serial Number Data Format.
Field Name Bytes Bits Description
Peripheral
Device Type
0 0-7 This field is set to 01h to indicate a sequential
access device.
Page Code 1 0-7 The Page Code field is set to 80h to indicate that the
data following contain the Drive Serial Number.
Page Length 3 0-7 This field specifies the length of the Drive Serial
Number.
Drive's Serial
Number
4-10 0-7 This field contains the drive’s alphanumeric serial
number.
Completion Status
The Completion Status for the INQUIRY command is shown in the following table.
Code Message Description
00h Good Status
• The tape is not moved; the current position is maintained.
• The drive remains in any previously set modes.
• The drive is ready to perform any appropriate command.
02h Check Condition Extended Sense Byte 02h:
Code Message Description
04h Hardware Error Parity error on SCSI bus or drive
hardware failure detected.
05h Illegal Request The CDB contains an invalid bit.