820-3435-b pls help unknon bios chip

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  • dammysholove
    Senior Member
    • Jun 2017
    • 59
    • nigeria
    #1

    820-3435-b pls help unknon bios chip

    820-3435-b model a1465
    the chip is broken and unreadable
    i have used many dumps i found online with many available chips but the machine refuse to turn on!
    I have gotten many chips from different board of different model but cant find chip for same model so i have been using all chips i could lay my hands on but cant get the real chip that broke cos i cant find the name writen on it.

    My question is can chip determines the power or the file i programme?

    2: Could it be wrong files all that i have been trying ?

    I need help pls
    Tags: None
    • peste
      Super Moderator
      • Dec 2016
      • 12643
      • ROMANIA
      #2
      Re: 820-3435-b pls help unknon bios chip

      Originally posted by dammysholove
      820-3435-b model a1465
      the chip is broken and unreadable
      i have used many dumps i found online with many available chips but the machine refuse to turn on!
      I have gotten many chips from different board of different model but cant find chip for same model so i have been using all chips i could lay my hands on but cant get the real chip that broke cos i cant find the name writen on it.

      My question is can chip determines the power or the file i programme?

      2: Could it be wrong files all that i have been trying ?

      I need help pls
      try this bios ... I don't know what bios chip this board has ... maybe someone else will help you with this problem ..
      Attached Files
      Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

      >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

      Every donation made will go towards server fees and maintenance costs.

        Comment

        • SMDFlea
          Super Moderator
          • Jan 2018
          • 20695
          • UK
          #3
          Re: 820-3435-b pls help unknon bios chip

          You can use UEFITool or FIT (flash image tool) to find the flash chip JEDEC ID in the VSCC table ,then search for it on google.

          winbond EF4017 W25Q64FV
          Attached Files
          All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

            Comment

            • piernov
              Super Moderator
              • Jan 2016
              • 4435
              • France
              #4
              Re: 820-3435-b pls help unknon bios chip

              If you don't have a 820-3435 donor board you can take SPI ROM from 820-3437 donor board.
              Of course you'll need to clean ME region and edit serial number, but it will at least turn on (not boot macOS though).
              OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                Comment

                • dammysholove
                  Senior Member
                  • Jun 2017
                  • 59
                  • nigeria
                  #5
                  Re: 820-3435-b pls help unknon bios chip

                  Originally posted by peste
                  try this bios ... I don't know what bios chip this board has ... maybe someone else will help you with this problem ..
                  thanks, let me test it and get back to you

                    Comment

                    • dammysholove
                      Senior Member
                      • Jun 2017
                      • 59
                      • nigeria
                      #6
                      Re: 820-3435-b pls help unknon bios chip

                      Originally posted by piernov
                      If you don't have a 820-3435 donor board you can take SPI ROM from 820-3437 donor board.
                      Of course you'll need to clean ME region and edit serial number, but it will at least turn on (not boot macOS though).
                      same bios chip??

                        Comment

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