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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    Sega CD games/bio not working on 4.2

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    sega cdsega4.2
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    • edmaul69E
      edmaul69 @ThatGuy-UNo
      last edited by

      @ThatGuy-UNo in the rgui (pressing select + x while in a game) in the quick menu you can swap the disk when you need to load the second disc

      1 Reply Last reply Reply Quote 0
      • ThatGuy-UNoT
        ThatGuy-UNo
        last edited by

        @edmaul69 Going on a limb here, that will fix my problem. Thanks @edmaul69 and @obsidianspider for your responses.

        edmaul69E 1 Reply Last reply Reply Quote 0
        • edmaul69E
          edmaul69 @ThatGuy-UNo
          last edited by

          @ThatGuy-UNo also as a note, whenever you add a bios file caps and lowercase are important. Name them exactly like the wiki shows. Even on the file extension.

          ThatGuy-UNoT 1 Reply Last reply Reply Quote 0
          • ThatGuy-UNoT
            ThatGuy-UNo @edmaul69
            last edited by

            @edmaul69 Thanks. For now I went back to 4.1. Ill command and conquer this later. Who knows maybe its a bug :p

            R 1 Reply Last reply Reply Quote 0
            • R
              RobotLimeLtd @ThatGuy-UNo
              last edited by RobotLimeLtd

              @ThatGuy-UNo

              I have had this problem and found the root cause when launching a game in verbose mode. This is what the log shows:

              RetroArch [INFO] :: Environ SYSTEM_DIRECTORY: "/home/pi/RetroPie/roms/segacd/".

              It seems that in the latest version of the SegaCD emulators, the BIOS files need to be in the same directory as the roms.

              You could try editing /opt/retropie/configs/segacd/retroarch.cfg and explicitly stating the path to your BIOS files, e.g.:

              system_directory = "~/RetroPie/BIOS"

              Or... you could just copy your BIOS files into the roms directory and see if that fixes it.

              1 Reply Last reply Reply Quote 0
              • ThatGuy-UNoT
                ThatGuy-UNo
                last edited by

                @RobotLimeLtd Thank you! Just to be clear on version 4.2, The 'bios' file aka us_scd1_9210.bin goes to the rom folder on SegaCD? And thank you for everyone for replying!

                herb_fargusH 1 Reply Last reply Reply Quote 0
                • herb_fargusH
                  herb_fargus administrators @ThatGuy-UNo
                  last edited by herb_fargus

                  @ThatGuy-UNo no it shouldnt be. the default should be where the wiki says. and if it isn't it needs to be fixed, or you've modified something on your system that has changed the defaults.

                  If you read the documentation it will answer 99% of your questions: https://retropie.org.uk/docs/

                  Also if you want a solution to your problems read this first: https://retropie.org.uk/forum/topic/3/read-this-first

                  obsidianspiderO 1 Reply Last reply Reply Quote 0
                  • obsidianspiderO
                    obsidianspider @edmaul69
                    last edited by

                    @edmaul69 Good point. I didn't think about that as I don't play many multi-disc games and I think the sound quality is better on Genesis Plus GX.

                    📷 @obsidianspider

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                    • obsidianspiderO
                      obsidianspider @herb_fargus
                      last edited by

                      @herb_fargus The Sega CD BIOS files go in the BIOS folder. The Wiki is fine.

                      📷 @obsidianspider

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                      • ThatGuy-UNoT
                        ThatGuy-UNo
                        last edited by

                        @administrators @obsidianspider hmmm Interesting.

                        1. I probably misunderstood @RobotLimeLtd reply.
                        2. On my version 4.1, yes I did have the SegaCD bios file in the bios folder. That I know does work.
                        3. When I went to go update to 4.2. I simply formatted my sd card so there is nothing on it. Installed RetroPie 4.2.
                        4. Plugged in my USB that has all the roms, bios, configs just like if your adding a new game (not over the internet). If that makes sense.
                        5. All my games such as NES, MegaDrive, Atari, PS1 (which has bios) all works fine. SegaCD does not. I never once tinkered with where the files.

                        I love the new fixes on it though.

                        @administrators " you've modified something on your system that has changed the defaults." What modifications can I have done to make it change? I only have changed the occasional ES themes and changed the splash screen.

                        Overall thanks for the responses!! Means a lot. I may just install the new update at a later time.

                        1 Reply Last reply Reply Quote 0
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