How do you tell if the iso game you got is prepatched, a straight rip, or non-patched

How do you tell if the iso game you got is prepatched, a straight rip, or non-patched?

Need to know?????

and need to know a place to get dvd+r dl media CHEAP. THX

 

You burn it or rip it with extract xiso, and then compare the files with a straight rip from an original disk. If there is a default.old in the root folder it will have been ripped with tools that have already patched it for hdd and media check..all xbox backup tools do this automatically. Otherwise the download details (nfo) file usually says if anything has been ripped from it or any custom patches added.