letgo...

3.At step 530, representations of error location and types are used to create a reference map which uniquely identifies the semiconducting device which was written. Alternatively, the reference fingerprint may comprise a linear feedback shift register to compact the error locations rather than storing the numerical representations of locations and types of error obtained in step 520.

Two different methods of error data representations(files) and the way they are managed ....

With that, two different Map issues:

1. creating an error reference map utilizing representations (files).

2. creating stored numerical representations or the mapping of data (FAT) allocation table of the representations (files).

Two different things going on there with regard to map.

What gets confusing, in reading the different embodiments , it appears a reference map is created on the fly of the fingerprint, or when needed... of representations stored, which would mean there is no specific file or a map of error data.

It's the way all the different pieces (individual representations) are brought together, as needed, to created a reference map (finger print) of the memory that is the trick.

doni