ACER JM50 Rev 2.1 BIOS, schematics and boardview request

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  • XIII
    XIII
    • Mar 2024
    • 22
    • Tunisia

    #1

    ACER JM50 Rev 2.1 BIOS, schematics and boardview request

    HI, i have this acer JM50 rev 2.1 board to repair for a customer, the board starts on its own after a couple of seconds of plugging, the power button doesn't do anything, the fan spins at almost full speed, after some investigation I found that the board takes it's time to fully calibrate the voltage going into the chips and the entire system then auto starts, I flashed both chips with 3 known working bios, I get no beep nor anything, the PCH seemed to be overheating a bit, I found a missing transistor near the EC chip which I replaced, I require the boardview file cause I found a pin on the ec chip which was ripped off and I don't know where does it go, I appreciate any possible help and thanks forward!

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