cps2 key

Game: Cyberbots: Fullmetal Madness The label on the B-board ROM says CYBJ. I used an Arduino to restore the key. The only Japanese version in the MAME ROM set is cybotsj, version 950420. It boots up, but the startup shows 910020 instead. Does anyone know what this means? Also, the background and...

Hi everyone, Over the past 5 years, we’ve been searching for rare CPS2 Brazil-version titles here in our country. During this time, we managed to find 4 important boards: armwarb: Armored Warriors (Brazil 941024) dstlkb: Darkstalkers: The Night Warriors - Brazil 940818 ringdestb: Ring of...

Hi everyone! I've been successful with converting all my CPS2 boards over to utilize the batteryless InfiniKey. Recently, I was able to get the single board of Hyper Street Fighter 2, and when opening it up, there of course was the battery. Can the InfiniKey be used on this board?: here's...

Hi, I would like to ask you a question about the relationship between the 20-byte decryption key used in real cps2 and the decryption key used in mame, which uses two 32-bit pairs. Is it possible to generate the key that mame uses using the 20-byte key or vice versa, and how is this done? for...