Quantum Instruments DLT 7000 - Manual (Page 120)

SCSI Commands
5-16 Quantum DLT 7000 Tape System
INQUIRY Command (12h) (continued)
Table 5–7 INQUIRY Command Descriptor Block - Field Descriptions
Field Description
EVPD Enable Vital Product Data. If 0, the drive returns the Standard Inquiry Data
page. If 1, the drive returns the Vital Product Data page specified in Page Code.
Page Code Specifies which Vital Product Data page is to be returned by the drive. This field
must be 0 if EVPD is 0. A CHECK CONDITION with ILLEGAL REQUEST status is
returned if this field specifies an unsupported page code. Table 5–8 lists the
page codes for the Vital Product Pages supported by the drive.
Allocation
Length Specifies the number of bytes of inquiry information the drive is allowed to
return to the initiator during the command's DATA IN phase. Error status is not
returned if the value in this field truncates the requested information.
Table 5–8 Vital Product Data - Page Codes
Page Code Description
00h Supported Vital Product Pages Page
80h Unit Serial Number Page
C0h Code Build Information Page
C1h Subsystem Components Revision Page
5.4.1 Standard Inquiry Data Page
Figure 5–5 shows the format of the Standard Inquiry Data page returned by the
drive.