Here are some pictures showing the process of dumping the game files.
A basic adaptor needed to be made for dumping the maskrom
Thanks to alien_mame and Charles McD for the pinout info.
A basic adaptor needed to be made for dumping the maskrom
Thanks to alien_mame and Charles McD for the pinout info.
I found this spanish post while doing a google search. http://www.retrovicio.com/foro/showthread.php?t=9901
Google doesn't do a great job of translating it but basically all you have to do is turn on the triforce or chihiro motherboard with nothing connected except for a satellite / netboot pic security chip. Then go into the test menu using the test button go down to system information and press the service button 30 times.
For Chihiro you have to press service button 15 times until GAMEID appears. Then press service a further 30 times.Thanks goes to Android for the original post.
After spotting this on eBay it seems this game was released on both Naomi 2 (sorry system16.com) with a proper case and Naomi 1 in a metal box (the version I have).
I suspect the Naomi 2 version is really the Naomi 1 game as Naomi 2 is backwards compatible. Why exactly Sega would do this I have no idea, but why would they port it to Naomi 2 either?.