Datasheet

Travelstar 80GN Hard Disk Drive Specification
166
13.38.2 Device Attribute Data Structure
The following defines the 512 bytes that make up the Attribute Value information. This data structure is accessed
by the host in its entirety using the S.M.A.R.T. Read Attribute Values subcommand. All multibyte fields shown in
these data structures follow the ATA/ATAPI-5 specification for byte ordering, namely, that the least significant byte
occupies the lowest numbered byte address location in the field.
Table 113: Device Attribute Data Structure
(*1) – See following definitions
(*2) – This value varies due to actual operating condition.
(*3) – Filled with 00h.
13.38.2.1 Data Structure Revision Number
The Data Structure Revision Number identifies which version of this data structure is implemented by the device.
This revision number will be set to 0005h. This revision number identifies both the Attribute Value and Attribute
Threshold Data structures.
Description Byte Offset Format Value
Data Structure Revision Number 2 00h binary 0010h
1st Device Attribute 12 02h (*1) (*2)
30th Device Attribute 12 15Eh (*1) (*2)
Off-line data collection status 1 16Ah (*1) (*2)
Self-test execution status 1 16Bh (*1) (*2)
Total time in seconds to complete off-line data
collection activity
2 16Ch (*1) (*2)
Current segment pointer 1 16Eh (*1) (*2)
Off-line data collection capability 1 16Fh (*1) 1Bh
S.M.A.R.T. capability 2 170h (*1) 0003h
S.M.A.R.T. device error logging capability 1 172h (*1) 01h
Self-test failure check point 1 173h (*1) (*2)
Short self-test completion time in minutes 1 174h (*1) (*2)
Extended self-test completion time in minutes 1 175h (*1) (*2)
Reserved 12 176h (*3)
Vendor specific 125 182h (*3)
Data structure checksum 1 1FFh (*1) (*2)
512