I `ve got the same problem, i use Retroarch 1.0.0.2 with a Viper Extreme modded Gamecube.
Every .wad File i try to start freez my Cube or I got an Error Message.
Maybe wrong Settings?

You can try it with the newest Revision of Swiss (r251).
viewtopic.php?f=25&t=1375&hilit=nightly

And try to start full .iso`s, not shrinked one.

One Cube with Viper GC, the other one with Viper GC Extreme.

Hi, i have tested it now with the Tape-mod, but it dont works also.

@megalomaniac

Hi, i try it with sdhc and non sdhc cards, same problem!

Sorry i dont can help you, but i have the same problem with the Viper Chip and search for a fix.

The File is down, can someone upload "mfe-mortimor-edition.tar.gz"?
Thanks

Hi guys, i have a GC with the Viper GC Modchip and want to use the Cube without the DVD Drive, however I start it i get an error Message without DVD Drive...
any Ideas how it works?

Greetings from Germany.