Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
414
The Descriptor Type identifies the type of a sense data descriptor. (Supported types are listed below)
Table 316 Supported Descriptor Types
Type Code Description
00h Information Sense Data Descriptor
01h Command-specific Sense Data Descriptor
02h Sense Key Specific Sense Data Descriptor
03h
Field Replaceable Unit Sense Descriptor
05h Block Command Sense Data Descriptor
80h Vendor Unique Unit Error Code Sense Data Descriptor
81h Vendor Unique Physical Error Record Sense Data Descriptor
The ADDITIONAL LENGTH field indicates the number of sense data descriptor specific bytes that follow in the sense
data descriptor.
22.3.1
Order of Sense Descriptors
The drive may return up to 7 sense data descriptors in byte 8 through byte 59 of the sense data, up to the number of
sense data bytes allowed (see Table 308). The sense descriptors returned will always be in the order shown in the
table below, regardless of whether a descriptor contains valid information or not.
Table 317 Sense Data Descriptor List
Byte
Bit
7
6
5
4
3
2
1
0
0-7
Common Headers
8-19
Information Sense Data Descriptor
20-31
Command-specific Sense Data Descriptor
32-39
Sense Key Specific Sense Data Descriptor
40-43
Field Replaceable Unit (FRU) Sense Data Descriptor
44-47
Block Command Sense Data Descriptor
48-51
Vendor Unique Unit Error Code Sense Data Descriptor
51-59
Vendor Unique Physical Error Record Sense Data Descriptor