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Thread: help with sega dreamcast bios replacement

  1. #1

    help with sega dreamcast bios replacement

    I canīt do it work on a ntsc-u va1, i tried two times, with different pre-flashed roms... I am afraid that I have broken my motherboard when i extract one of them, please help.

    I use the image




    of this tutorial http://www.mmmonkey.co.uk/console/im...ios/44.jpgthis tutorial

    Can someone give me some advice or new pics.
    There are alternative points to use with some legs of the bios?

    Sry 4 my english xD
    Last edited by Gromber; 05-04-2012 at 12:56 PM.

  2. #2
    my advice : also try ask about this problem in the English section on the DC-SWAT.ru site. ;)

  3. #3
    posted in dcswat, but i need help! thanks!

  4. #4

  5. #5
    alternative points? thx

  6. #6
    Foot Soldier
    pedro's Avatar

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    arent you missing the resistors?

  7. #7
    Keyboard Error: Press F1 to Continue
    Tribuni Angusticlavii
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    Dont need resistors. Only when piggy backing.
    Quote Originally Posted by APE View Post
    Legend has it he can ninja a chip into a PS2 while you're playing it and you'll never notice until you reboot.
    Feedback: Here eBay
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  8. #8
    I try with 2 motherboards and not success... i use all flash roms (i broke some legs...)


    pin 22 of the motherboard are bad. alternative place to connect?
    Last edited by Gromber; 05-27-2012 at 05:21 PM.

  9. #9
    Foot Soldier
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    you could try and follow the trace on the board for that pin a see where is connects, and there you go an alternative place.

  10. #10
    yes, but i cant find the trace for pin 22
    http://www.dc-swat.ru/forum/thread-1846.html

  11. #11
    could you make it work?

    I can't see very well cause your pics are a bit blurry!

    As you know by now the Dreamcast mobo is extremely delicate and you can cut or burn traces without knowing, another thing is to check if you don't have cold joints, happens a lot on Dreamcast mods.

    if you can take better pictures that will help a lot.
    also if you speak Spanish I can help you in Spanish through PM or post your native language here, there may be someone that speaks your language that can help you.

  12. #12
    Keyboard Error: Press F1 to Continue
    Tribuni Angusticlavii
    Bad_Ad84's Avatar

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    Pin 22 is not connected to anything. That leg is unused.
    Quote Originally Posted by APE View Post
    Legend has it he can ninja a chip into a PS2 while you're playing it and you'll never notice until you reboot.
    Feedback: Here eBay
    My Modding parts for sale thread can be found here: CLICK ME

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