Table 116 Individual Threshold Data Structure; Table 117 Smart Log Directory - Hitachi 2.5 inch SATA Travelstar HTS543232L9A300 Oem Specification

Description
Attribute ID Number (01h to FFh)
Attribute Threshold (for comparison with Attribute Values
from 00h to FFh)
00h -
"always passing" threshold value to be
used for code test purposes
minimum value for normal operation
01h -
maximum value for normal operation
FDh -
invalid for threshold value
FEh -
"always failing" threshold value to be used
FFh -
for code test purposes
Reserved (00h)
Total Bytes

Table 116 Individual Threshold Data Structure

14.40.3.3
Attribute ID Numbers supported by the device are the same as Attribute Values Data Structures.
14.40.3.4
These values are preset at the factory and are not meant to be changeable. However, the host
might use " S.M.A.R.T. Write Attribute Threshold" subcommand to override these preset values
in the Threshold sectors.
14.40.3.5
The Data Structure Checksum is the 2's compliment of the result of a simple 8-bit addition of the
first 511 bytes in the data structure.
S.M.A.R.T. Log Directory
14.40.4
Following table defines the 512 bytes that make up the S.M.A.R.T . L og Directory. The S.M .A.R.T.
Log Directory is on S.M.A.R.T . Log Address zero and is defined as one sector long.
Description
S.M.A.R.T. Logging Version
Number of sectors in the log at log address 1
Reserved
Number of sectors in the log at log address 2
Reserved
...
Number of sectors in the log at log address 255
Reserved

Table 117 SMART Log Directory

The value of the S .M.A.R.T. Logging Version word shall be 01h. The logs at log addresses 80-9Fh
are defined as 16 sectors long.
S.M.A.R.T. error log sector
14.40.5
The following defines the 512 bytes that make up the S.M.A.R.T. error log sector. All multi-byte
Attribute ID Numbers
Attribute Threshold
Data Structure Checksum
Bytes
2
1
1
1
1
...
1
1
512
5K320 SATA OEM Specification
Bytes Offset
1
1
10
12
Offset
00h
02h
03h
04h
05h
...
1FEh
1FFh
155
Format
00h binary
01h binary
02h binary