12
Total Bytes
binary02h10Reserved (00h)
FFh – "always failing" threshold value to be
used for code test purposes
FEh – invalid for threshold value
FDh – maximum value for normal operation
01h – minimum value for normal operation
00h – "always passing" threshold value to be used
for code test purposes
binary01h1
Attribute Threshold (for comparison with Attribute
Values from 00h to FFh)
Figure 115. Individual Threshold Data Structure
13.32.3.3 Attribute ID Numbers
Attribute ID Numbers supported by the device are the same as Attribute Values Data Structures.
13.32.3.4 Attribute Threshold
These values are preset at the factory and are not meant to be changeable. However, the host might use
the "S.M.A.R.T. Write Attribute Threshold" subcommand to override these preset values in the Threshold
sectors.
13.32.3.5 Data Structure Checksum
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.
Travelstar 32GH/30GT/20GN hard disk drive specifications
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