12 comments on “Sega Master System FM Sound Mod

  1. I have a boxed Japanese FM master system I was able to have a friend pick up for me when he was visiting Japan. I had it S-video modded and its pretty awesome. Unfortunately when I moved a few years ago It got left in storage. There’s a MS at the local game shop I’ve been eying though I’m starting to wonder if having the actual console has any advantage over just using a power base converter and a genesis especially now that they have those FM power base converters. is there any incompatibilities between the PBC and an actual Master system or is like the PS/1 and PS/2 where theses only one or two obscure Japanese games that won’t work.

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    • Hi Justinwl!

      I use to use the original Sega Power Base converter with my Genesis a lot back when both were new. Back then I had about 10 or 15 Master System games and they all worked perfectly on my model 1 Genesis with the converter.
      I don’t know of any SMS games that will not work on the Genesis.
      Very recently (about 1 week ago) I bought the PowerBase MIni FM from StoneAageGamer and it seems to work exactly like the original Power Base except it also offer FM sound for most FM enabled games. It is expensive, but it works very well. *Keep in mind I haven’t had a chance to use it a lot yet. I do recommend it if you’re OK with the cost.

      http://www.stoneagegamer.com/powerbase-mini-fm.html

      If you’d rather only have one console (the Genesis) I believe you can reliably play Master System games on it with the original Power Base or the new PowerBase FM Mini.
      For for the cost you could buy a whole Sega Master System console too! So it’s up to you.

      It’s a shame you don’t have your Japanese Master System anymore. That’s a cool collectable!

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      • I may look into that mini power base…though there’s something about the original hardware that’s alluring. I still have that JP master system. its just a few thousand miles away safely tucked into a storage vault

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        • lol! OK, I’m glad you still have it 🙂
          I agree about original hardware. I’m really fond of it too. Which is why I wanted to install an FM Unit in my SMS. It’s a really cool mod and not hard to do.

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  2. Pingback: It’s Alive!!! Phantasy Star as it always should have been… by SMSPower.org | The Sega Collection

  3. Pingback: Sega Master System FM mod | ancientelectronics

  4. Hello SegaDude:

    I installed this recently and the pictures on this page helped a lot (thanks!). The board I received (v2.3) has extra solder points for ground and audio labeled “Loud Output”. I took the ground from there and used the shield area right next to the left the SMSFM board slot. Since it’s already exposed it saved me from scraping the area near C20 making a cleaner look (and easier install). You can check it out here:

    Feel free to append the picture to your article if you wish.

    Using this with a Master Everdrive and I am having a blast! Sampled many titles but did full play thrus of Golvellius and Scrambled Spirits (FM Style). My favorite game so far is Outrun 3D (using compatible generic LCD glasses). Feels very nerdy when I use all this stuff at the same time. So cool to be able to enjoy this stuff as it was intended.

    Have a good one

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    • Hi RestfulCargo,

      Thanks very much for the added details. Yes, I would love to include your image in this post to describe the difference with the 2.3 version.

      Are you saying you have two ground wires for v2.3?
      That short cable that I see in your picture is the new ground wire that I don’t have on my v2.1.
      What are the other three? Two to replace the capacitor and one that is now called “Loud Output”?

      Where did you find compatible generic LCD glasses for 3D on the Master System? In addition to these glasses do you still need the card adapter to plug the generic glasses into?

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      • > Are you saying you have two ground wires for v2.3?
        > That short cable that I see in your picture is the
        > new ground wire that I don’t have on my v2.1.
        > What are the other three? Two to replace the capacitor
        > and one that is now called “Loud Output”?

        Yes they are the same red, white and ground wires as your setup. I left that ground unused inside the gray shielding. Instead I provided my own cable and soldered it on the newer GND point on the board. I left the “Loud Output” solder point alone. The short cable I used has jumper endings (for breadboard projects). It doesn’t get in the way of the RF cover once it is set back into place.

        Also the newer board requires some assembly (the slot needs to be soldered).

        The sound comes out clear (no distortion) so if I am doing it wrong I wouldn’t know. Sounds fine to me!

        > Where did you find compatible generic LCD glasses for 3D on the Master System?

        Not to derail the topic, but since you asked… I read about the ASUS VR-100 glasses on the SMSPower forums and bought a set long time ago. Last year I wanted to get a second pair and found this generic brand:

        Ebay (US)
        http://ebay.to/2iRhzDK

        I think the seller ships worldwide.

        How do they compare? Both glasses are wider (adult sized) than the original kid sized SEGA glasses. The VR-100 is bigger than the generic, bulkier and heavier. They both work the same as the original Sega 3D glasses. If using prescription glasses the generic ones are designed to sit on top of your glasses, are lighter and more comfortable to wear.

        > In addition to these glasses do you still need the card adapter to plug the generic glasses into?

        Yes. You plug it to the SMS 3D adapter same as you would with the original SEGA glasses. It’s a standard 3.5mm stereo audio plug.

        I use a Y splitter cable (like those you use to share music on an mp3 player or smartphone) to hook them both to the 3D adapter at the same time. It’s cool to share the experience with friends and make comparisons with current technology. They are usually amazed that this stuff is so old and yet works so well.

        There are a few 3D titles that use FM (Maze Hunter, Outrun 3D, Space Harrier 3D, Poseidon Wars 3D). Even Zaxxon 3D is more interesting to play with the upgraded audio. Outrun and Space Harrier of course being the most notable ones with added 3D effects like rain and different stages for each respectively. The sense of depth works well for both titles.

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