After selecting different options of overclocking in 4.0.0 version, I've detected that there are some problems when boot or when playing n64 games. I've tried on different sd cards and on two different raspberry pi 2. I know that this has been reported but only with the Extreme Option.

@Subs thanks you for telling me about the issue. I didn't know it.

About the problem that @Dragda describes, I can confirm that Pc Engine CD games won't work. I've checked the MD5 checksum and it's the same as pointed on the wikia. Has anybody experienced the same problem? Regards,   Al

Hi Juanma, Place the rom on finalburnalphalibretro folder. It works perfectly. Regards.

Hello again, After doing a little research, I've discovered that  some other users are having the same issue with iMame4All because it seems that it doesn't fully support Irem M-92 arcade board : https://www.raspberrypi.org/forums/viewtopic.php?f=78&t=56070&start=125 Has anyone been able to emulate those games with sound? Kind regards.

Hi everyone, First of all I would like to thank the Recalbox Team for making a good distro for retrogaming. I'm having some problems in order to play some arcade games. When I try to play them on Mame, there's no sound or background music. However, when I play those games on FBA Libretto, the audio is on but the emulation is horrible and slow. The tested games were : - Gun Force 2 (Irem) - Undercover Cops (Irem) - In The Hunt (Irem) - Hammerin' Harry (Irem) Did I have to configure something before playing? Thanks in advance!