=========================================================================== $NetBSD: MESSAGE,v 1.1 2018/08/13 18:35:14 nia Exp $ O2EM requires an Odyssey 2 BIOS file in order to work. In retroarch, you'll need to place it as o2rom.bin in the System Directory. Alternatively, you can place it into your Content Directory next to the software you are going to run. ===========================================================================