![]() ![]() The one tool I still don't have is an oscilliscope, so it took some guesswork to try and adjust pots. I noticd this because that turn is supposed to sync up to the very start of both versions of the song.Īlright, all my thoughts went to issues with the board and the disc drive. ![]() The custom BIOS appears to work correctly, except that when starting up Sonic CD, either version, the music is delayed by several seconds until after Sonic's turn and finger wag on the title screen. Of those two, only one works, so that's the one I did. Then I did the same mod on the Sony revision of the model 2. I selected the right model bios and flashed a chip then (after desoldering and installing a little pin board to make things easier on myself in the future) tested and it works fine on both Japanese and US versions of Sonic CD. Easy enough to rewrite the chip on the Model 1 and it performs excellently. I went with the Japanese one since it's supposed to have full compatibility. I recently took the plunge and region modded all three via installing the 2014 custom l_oliviera BIOS to each of them. ![]() One model 2 is the original Funai board and the others are the revised Sony board. I've got numerous Sega CDs hanging out around here. Alright this is going to take a little setup to explain. ![]()
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