hello!
I also buy a pmp from
http://articulo.mercadolibre.com.ar/...-a-4gb-mp5-_JM
It is a little diferent, but only play nes games too. It has a sunplus 3052a and the board said AJ251_v3 07101
If anyone needs the original FW or have an improve version contact to me on
galocristian@yahoo.com.ar