Reading in to boot, these units give you two files: a file of the e2prom and the file of the flash. To read in hexadecimal are similar to version .bin or .exe. If you notice that they are totally differents, in particular the area of the electronic label, it means that ? totally gone and you might as well try to pick her up, only with a file taken from another part. Try to read it in the boot and see what pops out, now at this point you can do is try.
M999