#78 Add info about Acer firmware filenames

open
nobody
None
5
2009-04-20
2009-04-20
No

Currently the information in the table on the website (http://snapscan.sourceforge.net/) for firmware filenames is not complete for all models. In particular the ones for the Acer scanners are not obvious at all. So it would be hard to find the correct firmware file for my scanner which is not listed in the table. Fortunately, there is a method to the madness. There is a simple pattern to the way they name their firmware files. I hope that you can add this info to the web page, as it will be very useful to people using this software.

You take the Vendor & Product IDs of the scanner (listed here: ). It will be of the form 0x04a5/0x20XX, where XX is a hex value that varies between scanner models. You take the decimal form of XX, call YYY, and the firmware file for that model will be named "uYYYv [something] .bin". So for example (model numbers might not be exactly correct):
Model -> ID ->hex -> dec -> filename
320U/340U -> 2022 -> 22 -> 34 -> u34v110.bin
620UT -> 2040 -> 40 -> 64 -> u64v120.bin
620U+/640U -> 2060 -> 60 -> 96 -> u96v121.bin
640BU -> 207e -> 7e -> 126 -> u126v043.bin
3000U -> 20ae -> ae -> 174 -> u174v041.BIN
3300U/4300U -> 20b0 -> b0 -> 176 -> U176v046.bin
640BT -> 20be -> be -> 190 -> u190v044.bin
1240UT -> 20c0 -> c0 -> 192 -> u192v074.bin
4300U+ -> 20de -> de -> 222 -> u222v067.bin

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