Quote:
Originally Posted by waltman
I may have figured it out. Found an ecm/unecm utility for free online that was able to unecm the rom file. Will have to wait until I get home to see if it works in espxe.
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Yep, that is what I was going to tell you.

ECM isn't a straight ISO..the ISO was run through ecm to make it compress better, unecm puts it back the way it was.