Commands 49
Commands
Vendor Specific data may be sent after the Product Revision Level.
Vital Product Data Pages
The following tables describe the vital product data pages. These pages are
returned by the
INQUIRY command when the EVPD bit is set and the
appropriate Page Code is set in the Command Descriptor Block. They contain
vendor-specific product information.
Supported Vital Product Data Pages Page
This is the data returned by the drive in response to an Inquiry command with
its EVPD bit set to one and its Page Code field set to 0.
Version Descriptor These fields can be used to identify up to eight standards to which the drive conforms. The
values supported are listed below.
For SCSI drives, it is recommended that the first version descriptor is used for the SCSI
architecture standard, followed by the physical standard, if any, followed by the SCSI
protocol, followed by the appropriate SPC version, followed by the device type command
set, followed by the secondary command set, if any.
The following are the SCSI version descriptors:
Value Standard
1
2
3
4
5–8
0054h
0B1Ch
0227h
021Ch
0000h
SAM-2 T10/1157-D rev 23
SPI-3 ANSI NCITS.336:2000
SPC-2 ANSI NCITS.351:2001
SSC ANSI NCITS.335:2000
not used
The following are the FC version descriptors:
Value Standard
1
2
3
4
5
6
7
8
0054h
0917h
0D7Ch
0DA0h
131Bh
1320h
0277h
021Ch
SAM-2 T10/1157-D rev 23
FCP-2 ANSI NCITS.332:1999
FC-AL-2 ANSI NCITS.350:200x
FC-FS (no version claimed)
FC-Tape T11/1315 revision 1.17
FC-FLA (no version claimed)
SPC-2 ANSI NCITS.351:2001
SSC ANSI NCITS.335:2000
