The reluctant US SMS that didnt want to be japanese

EDIT2: A new solution (much more invovled ) was suggested by Charles MacDonald this will be interresting to try.

EDIT: Nice, I got my answers in that thread. I'll have to backtrack on when did this become a dangerous thing to try, FYIW I used 10k res to short pin 34.

This MOD does not work on my SMS:

I tried everything, including burning a Japanese BIOS which works great here:

While its cute and all (especially with my RGB mod to a Commodore 1084), I still don't get the mark III boot on my Wonderboy 1/2/3 carts when I ground pin 34 on 315-5216.

Another user is getting the exact same prob with this motherboard rev.

Any takes?


  1. Sorry to be off topic, but any chance of a very rough ETA on the next version of Chipsounds? Given the goodies that were in the last update, I'm kinda excited...

  2. This post is not off topic, unless you dont want a YM2413 :)

    No rough ETA will be spewed. Too much work.

  3. Ahh well. You can't blame me for trying :)


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