Filter
Top Products
5K320 SATA OEM Specification
155
Description Bytes Offset Format
Attribute ID Number (01h to FFh) 1 00h binary
Attribute Threshold (for comparison with Attribute Values
from 00h to FFh)
1 01h binary
00h - “always passing” threshold value to be
used for code test purposes
01h -
minimum value for normal operation
FDh -
maximum value for normal operation
FEh -
invalid for threshold value
FFh -
“always failing” threshold value to be used
for code test purposes
Reserved (00h) 10 02h binary
Total Bytes 12
Table 116 Individual Threshold Data Structure
14.40.3.3 Attribute ID Numbers
esho
ld
cksum
Attribute ID Numbers supported by the device are the same as Attribute Values Data Structures.
14.40.3.4 Attribute Thr
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 Data Structure Che
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.
14.40.4 S.M.A.R.T. Log Directory
Following table defines the 512 bytes that make up the S.M.A.R.T. Log 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 Bytes Offset
S.M.A.R.T. Logging Version 2 00h
Number of sectors in the log at log address 1 1 02h
Reserved 1 03h
Number of sectors in the log at log address 2 1 04h
Reserved 1 05h
… … …
Number of sectors in the log at log address 255 1 1FEh
Reserved 1 1FFh
512
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.
14.40.5 S.M.A.R.T. error log sector
The following defines the 512 bytes that make up the S.M.A.R.T. error log sector. All multi-byte