FUJITSU MPB3052AT - Manual (Page 118)

C141-E045-02EN 5 - 53
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Raw attribute value
Raw attributes data is retained.
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Failure prediction capability flag
Bit 0: The attribute value data is saved to a medium before the device enters power saving
mode.
Bit 1: The device automatically saves the attribute value data to a medium after the previously
set operation.
Bits 2 to 15: Reserved bits
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Check sum
Two's complement of the lower byte, obtained by adding 511-byte data one byte at a time
from the beginning.
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Insurance failure threshold
The limit of a varying attribute value. The host compares the attribute values with the
thresholds to identify a failure.