HP Surestore 80ex Optical Drive and Library SCSI-2 Command Reference - Page 201
Inquiry Command (12H), VPD Identifier, Allocation, Length, Table 3-11
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Jukebox SCSI-2 Command Set Inquiry Command (12H) Table 3-11 NOTE Inquiry Command (12H) This command requests information describing the type of SCSI device. This information includes the following: • Vendor ID • Product ID • Product revision Inquiry Command CDB Byte 7 6 5 4 3 2 1 0 0 Operation Code (12H) 1 Logical Unit Number (0) Reserved (0) EVPD 2 VPD Identifier 3 Reserved (0) 4 Allocation Length 5 Control Byte (0) EVPD A 0 in this bit requests Standard Inquiry Information. A 1 in this bit requests the vital product data specified by the VPD identifier field. VPD Identifier If EVPD is 0, this field should be 0. If EVPD is 1, this field will contain the code for the requested vital product data page (Table 3-12 on page 3-15). Allocation Length The number of bytes reserved for returned data. Vital Product data pages are not supported in "fx" model jukeboxes. 3-14 Chapter 3