25-4 Bad Flash Blocks Model 831 Manual
Bad Flash Blocks
The Flash memory device used by the Model 831 contains a
controller that performs dynamic bad block mapping. In the
event that a Flash block fails after it has been written, that
bad block may be detected by the Model 831 firmware. If a
bad block is detected, the message shown in FIGURE 25-1
will be displayed.
FIGURE 25-1 Bad Flash Blocks Detected
Data in a bad Flash block is usually
unrecoverable. Files should be
checked for errors if this message is
displayed.
In this case data should be retrieved from the Model 831 and
a file system format performed. Performing a file-system
format forces the controller to re-map all bad blocks.
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