50
Barracuda 18XL Product Manual, Rev. A
9.3.1
Inquiry Vital Product data
Instead of the standard Inquiry data shown in Table 7, the initiator can request several Vital Product Data
pages by setting the Inquiry command EVPD bit to one. The SCSI Interface Product Manual, part number
75789509, lists the Vital Product Data pages and describes their formats. A separate Inquiry command must
be sent to the drive for each Vital Product Data page the initiator wants the drive to send back.
Table 8 shows the Vital Product Data pages for the drives of this product manual. “Y” means reporting that par-
ticular parameter is supported, but it may be different for each drive.
Table 8:
Vital product data pages
Byte
Page
Supported
Unit serial number page 80h
0
Peripheral qualifier/peripheral device type
—
1
Page code number
80
2
Reserved
00
3
Page length
14
4-23
Product serial number
Y
Implemented operating definition page 81h
0
Peripheral qualifier/peripheral device type
—
1
Page code number
81
2
Reserved
00
3
Page length
03
4
SAVIMP=0, current operating definition
Y
5
SAVIMP=0, default operating definition
Y
6
SAVIMP=0, supported operating definition
Y
Firmware numbers page C0h
0
Peripheral qualifier/peripheral device type
—
1
Page code number
C0
2
Reserved
00
3
Page length
38
4-11
SCSI firmware release number
Y
12-19 Servo firmware release number
Y
20-27 SAP block point numbers (major/minor)
Y
28-31 Servo firmware release date
Y
32-35 Servo firmware release year
Y
36-43 SAP firmware release number
Y
44-47 SAP firmware release date
Y
48-51 SAP firmware release year
Y
52-55 SAP manufacturing key
Y
56-59 Servo firmware product families and product family member IDs Y
Data code page C1h
0
Peripheral qualifier/peripheral device type
Y
1
Page code number
C1
2
Reserved
00
3
Page length
10
4-11
Manufacture (ETF) date—MMDDYYYY
Y
12-19 SCSI firmware release date—MMDDYYYY
Y
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