Restoring SMS and YM2413 functionality on Genesis 3 VA1?

Discussion in 'Modding and Hacking - Consoles and Electronics' started by Auction_Sniper, Nov 5, 2016.

  1. Auction_Sniper

    Auction_Sniper Rapidly Rising Member

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    Came across this thread showing a simple mod to restore SMS compatibility with the Genesis 3 (VA1).
    http://www.tototek.com/phpBB2/viewtopic.php?t=4371&sid=389044064ccfdd6080702a13947e26d8

    EDIT: just did the the mod (along with a region change to Japan), and it doesn't appear to enable the FM synth with the Powerbase FM. Looks like there are 2 wires that need to be connected from B1 and B3 on the cart port to "Audio Circuit" as mentioned here: http://www.sega-16.com/forum/showthread.php?10676-Genesis-3-Compatibility-Restoration

    Any idea what lines on the motherboard to connect to for the pass-through audio?
     
    Last edited: Nov 6, 2016

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