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bios for 820-2901-A

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    bios for 820-2901-A

    Hi,
    anyone can share a bios dump for 820-2901-A
    this was "repaired" by somebody
    now my issue is that doesn't work with the correct cpu but with lower ones

    #2
    Re: bios for 820-2901-A

    Here try this bios
    Attached Files

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      #3
      Re: bios for 820-2901-A

      thank you, will try and inform you

      Comment


        #4
        Re: bios for 820-2901-A

        I've tested the bios but didn't solved my problem so I have somewhere else the issue.
        The issue is that by using the correct cpu I get memory error beep at boot.
        The cpu works ok at similar iMac.
        Also same issue with similar cpu.
        The strange is that I have the problem with i5 cpu.
        Once I tested a i3 from 21,5 iMac and worked!
        I can't figure out why doesn't work with the appropriet cpu.
        Luckily I have plenty of time from my customer...

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          #5
          Re: bios for 820-2901-A

          ok, I solved my problem but I had some issues with the display [it was loosing backlight]
          It seems to work ok with the old bios I had so I uploaded it also just in case anybody needs to use it also.
          [make sure to program the correct S/N as now it has 12345678900]
          Attached Files

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