Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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22.0 SCSI Sense Data

22.1 SCSI Sense Data Format

Format of the sense data returned by the drive in response to the REQUEST SENSE command.
Table 265:Format of Sense Data.
Byte Bit
76543210
0 Valid Error Code (70h or 71h)
1RSVD = 0
20ILI0 Sense Key
3-6 (MSB) Information Bytes
(LSB)
7 Additional Sense Length
8-11 (MSB) Product Specific Information
(LSB)
12 Additional Sense Code
13 Additional Sense Code Qualifier
14 FRU = 0
15 SKSV Sense-Key Specific Bits
16-17 Sense-Key Specific Bytes
18-19 Reserved = 0
20-23 Vendor unique Error information
24-29 Product Specific Information
30-31 Reserved = 0