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  1. jidatui

    Hacker Tears Apart Super Mario Game & Watch To Find Out What's

    The nor flash chip is 8 MB, not Mb. The replacement is promising. The 64MB nor flash chip is very cheap.
  2. jidatui

    How to make a NEOGEO MVS Mini Arcade

    I made a NEOGEO MVS Mini Arcade using MVS motherboard and card. Here is the guide. The screen is 10.1 inch. Thank you. https://www.bilibili.com/video/BV1nf4y1Q7s2/
  3. jidatui

    Neo Geo Mini

    I made a video showing how to put a rechargable battery inside the NGM. The key point is the battery board that can support a constant 5v all the time. Remove the fuse of the positive pole and insert the bettery. https://www.bilibili.com/video/BV1Uz4y197WM/
  4. jidatui

    Neo Geo Mini

    All the systems show the same bug. I am now using the 88 games version released by Mr. Sinrukus.
  5. jidatui

    Neo Geo Mini

    The resister in the middle should be replaced with 14k or 13k.
  6. jidatui

    Neo Geo Mini

    The replacement of 10k with 5k did not work for the international version. Finally I figured out that it is the same as the Japanese version. Only the 10k controlling the left direction should be replaced with 14k. I also uploaded a video on bilibili.
  7. jidatui

    Neo Geo Mini

    We tried to exchange the motherboards of the joysticks between a hacked NGM and a new NGM. The bug was still in the hacked one, but not in the new one. It shows that the bug is in the main motherboard, which might have been damaged by the flashing. The fix of the joystick motherboard is a very...
  8. jidatui

    Neo Geo Mini

    I just tested the 13k resister, and it was perfect. I had 5k, 10k, 11k, 12k, 13k, 14k, 15k and 20k. Now I can wait for the software solution in peace.
  9. jidatui

    Neo Geo Mini

    Even if the bug was caused by flashing or hardware problem, it still could be eleminated by software methods. I think there must be a config file in the system.img that is controlling the dead zone of each direction, because it is an analog stick. auto Hardware modification is an awkword...
  10. jidatui

    Neo Geo Mini

    Yes, I used 0805, but it is a little bigger than the original one.
  11. jidatui

    Neo Geo Mini

    Finally, the bug was resolved, after I replaced with a 0805 13k resister. It is the final solution for the Japanses version. Thank all of you! Now I am going to post this method on a famous game vedio forum in China.
  12. jidatui

    Neo Geo Mini

    I think it is a rare hardware problem caused by flash. The replacement of resisters might be a good method. About the Japanese version, the increase of the resistence value of the LEFT resister will increase the dead zone. Thus, I am trying to find the proper resister now. Maybe 15k, maybe 20k.
  13. jidatui

    Neo Geo Mini

    This is the resister controlling the left direction. It is a Japanese version. Two days later, I will replace it with 15k or 20k.
  14. jidatui

    Neo Geo Mini

    I tried to replace the resister. It shows that only one resistor needs to be replaced. For the left direction, 15k or 20k may work. For the right direction, 7k may work. I am still testing.
  15. jidatui

    Neo Geo Mini

    My NGM is a Japanese version，and neither the headphone nor the volume off did not work for the bug.
  16. jidatui

    Neo Geo Mini

    good news!!!
  17. jidatui

    Neo Geo Mini

    I am getting to know why it is a hardware problem, because there are at least three different hardware version of the joystick motherboard. Thus, the system config must be modified to adjust the prameter of the dead zone for each version.
  18. jidatui

    Neo Geo Mini

    Thank you very much, Sir. The method is to replace all the four 10K resisters by 5K. I got it and I will have a try. But, why is it a hardware bug. I used to think it should be a software bug. I will replace it as soon as possible, and I will let you know the result.
  19. jidatui

    Neo Geo Mini

    the website is bilibili dot com auto /video/av54833970/
  20. jidatui

    Neo Geo Mini

    We just flashed a fw with 80 games. But the stick bug was still there. Here is a video demonstrating how to test the stick bug. The left direction is easy to trigger, but the other three directions are not. bilibili com We hope all the players should test your hacked NGM...
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