"ATJ2097,ATJ2093,ATJ209X,ect........" are CPUs of an s1 player.Yes you can post the CPU of your player here.If i talk "infos",you have to take apart your player and look inside for some characters and figures and post them all here.
Have a look at here for s1's info:
http://s1mp3.org/en/docs_hwspecs.php
Then for the BOARD ID have a look at here:
http://s1mp3.org/en/docs_hwspecs.php