Diagnostics BIOS (Neo Geo AES) Updated Mar 15, 2026 · 9 min read · 0 viewing Log in or register to read the full article. Previous UniBIOS (Neo Geo AES) The UniBIOS is an enhanced version of the official Neo Geo AES BIOS. The UNIVERSE BIOS is for owne... Next Visual Diagnostics (Neo Geo AES) The default BIOS of the Neo Geo AES has some built in basic diagnostics. Turn on the console, wit...