GA-AX370-Gaming 5 BIOS chip MX25U12873F doesn't erase properly

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  • Haganai.NMWP
    New Member
    • May 2022
    • 5
    • Poland
    #1

    GA-AX370-Gaming 5 BIOS chip MX25U12873F doesn't erase properly

    Hello

    I can't properly erase BIOS chip MX25U12873F.
    I can read it and write it, but before correct write, it have to been erased, but when I click erase program shows success, but when I try do blank verification I have message "chip disconnected".

    I use CH341A programmer with 1.8V adapter and clips.
    When I try read or write it takes 3~5 minutes and "run" LED on programmer is blinking. When I try erase, it takes up to 15 seconds, but "run" LED isn't blinking and after that, chip isn't erased correctly.

    I also tried to unprotect that chip but software show's it's already unprotected. I tried solutions from that website https://khandishnetwork.com/2021/01/...rror-solution/

    My motherboard is GA-AX370-Gaming 5. That motherboard have dual BIOS, but both are corrupted.
    Last edited by SMDFlea; 06-01-2022, 06:59 AM. Reason: GA-AX370-Gaming 5
    Tags: None
    • Vesko356
      VIP Moderator
      • Aug 2018
      • 4386
      • Bulgaria 🇧🇬
      #2
      Re: BIOS chip MX25U12873F doesn't erase properly

      https://www.badcaps.net/forum/showpo...9&postcount=10
      https://www.badcaps.net/forum/showpo...3&postcount=21
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        Comment

        • Haganai.NMWP
          New Member
          • May 2022
          • 5
          • Poland
          #3
          Re: GA-AX370-Gaming 5 BIOS chip MX25U12873F doesn't erase properly

          I checked with multimeter the connection before I posted here and all pins have connection.
          I also tried a lot of version of NeoProgrammer and AsProgrammer including these in the second link.
          I will check Colibri and tell if it works.

            Comment

            • Haganai.NMWP
              New Member
              • May 2022
              • 5
              • Poland
              #4
              Re: GA-AX370-Gaming 5 BIOS chip MX25U12873F doesn't erase properly

              Nope, Colibri doesn't help.
              I will try to desolder the chip, because I noticed something, every time when I read data from chip I had different checksum.
              It may took some time, because delivery of something i need to desolder the chip, may took up to two months.

                Comment

                • SMDFlea
                  Super Moderator
                  • Jan 2018
                  • 20848
                  • UK
                  #5
                  Re: GA-AX370-Gaming 5 BIOS chip MX25U12873F doesn't erase properly

                  Originally posted by Haganai.NMWP
                  Nope, Colibri doesn't help.
                  I will try to desolder the chip, because I noticed something, every time when I read data from chip I had different checksum.
                  It may took some time, because delivery of something i need to desolder the chip, may took up to two months.
                  If you have a powered USB hub try that .
                  All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                    Comment

                    • Haganai.NMWP
                      New Member
                      • May 2022
                      • 5
                      • Poland
                      #6
                      Re: GA-AX370-Gaming 5 BIOS chip MX25U12873F doesn't erase properly

                      I desoldered chip and use socket SOP8 200~209 mil.
                      Now I can properly erase and write that chip.
                      Topic solved.

                        Comment

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