Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
416
22.3.2.2
Command-specific Sense Data Descriptor (Byte 20 - 31)
The Command-specific Sense Data Descriptor is stored in bytes 20 through 31 of the descriptor format sense data.
Format of the format of Command-specific Sense Data Descriptor is shown in Table 310.
Table 319 Command-specific Sense Data Descriptor Format
Byte
Bit
7
6
5
4
3
2
1
0
0
Descriptor Type (01h)
1
Additional Length (0Ah)
2
Reserved
3
Reserved
4-11
Command-Specific Information
Descriptor Type
Set to 01h for Command-specific Sense Data Descriptor.
Additional Length
Set to 0Ah for Command-specific Sense Data Descriptor.
Command-specific Information
The value of this field is set the same ways as Command Specific Information
field in fixed format sense data (See section 22.2.7 "Command Specific
Information (Byte 8 through 11)")
22.3.2.3
Sense Key Specific Sense Data Descriptor (Byte 32 - 39)
The Sense-key Specific Sense Data Descriptor is stored in bytes 32 through 39 of the descriptor format sense data.
Format of Sense-key Specific Sense Data Descriptor is shown in Table 311.
Table 320 Information Sense Data Descriptor Format
Byte
Bit
7
6
5
4
3
2
1
0
0
Descriptor Type (02h)
1
Additional Length (06h)
2
Reserved
3
Reserved
4
SKSV
Sense Key Specific Bits
5-6
Sense Key Specific Bytes
7
Reserved
Fields in byte 4 through 5 (including the SKSV bit, Sense-Key Specific Bits, and Sense-Key Specific Bytes):
Descriptor Type
Set to 02h for Command-specific Sense Data Descriptor.
Additional Length
Set to 06h for Command-specific Sense Data Descriptor.
These fields are set the same ways as byte 15 - 17 in fixed format sense data (See section 22.2.10 "Sense Key
Specific (Byte 15 through 17)" for details).