User's Guide
Chapter 2 Emulated Medium Changer SCSI Commands
Inquiry (12h)
Quantum DX-Series Software Interface Guide 21
Unit Serial Number Page (80h) 2
The Unit Serial Number Page (Byte 2 in table 9) specifies which page of 
vital product data information the target shall return. 
The supported Page Code is (80h) to return the Serial Number Page 
(see 
table 12). 
Table 12 Unit Serial 
Number Page (Page 
80h)
Bit/Byte 7 6 5 4 3 2 1 0
0
1
2
3
4-n
Device Identification VPD page (Page 83h) 2
The device identification VPD page provides the means to retrieve 
identification descriptors applying to the logical unit. Logical units may 
have more than one identification descriptor (e.g. if several types of 
associations of identifier are supported.
Device identifiers shall be assigned to the peripheral device and not to the 
currently mounted media, in the case of removable media devices.
4
00h - (this page)
5
80h - Unit Serial Number Page
6
83h - Device Identification Page
Peripheral Qualifier
Peripheral device type
Page Code (80h)
Reserved (00h)
Page length (n-3) (size of the product serial number)
Product serial number (up to 12 bytes)
Bit/Byte76543210










