DO NOT DELETE "FMCB_CFG.ELF" FILE ! This is Free McBoot Configurator (made by Suloku from psx-scene). It will be copied to "mc0:/SYS-CONF" folder by installer. You can add a custom FREEMCB.CNF in this folder, it will be copied to "mc?:/SYS-CONF" folder by installer to replace the default one.