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apple imac 20 a1174

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    BIOS Apple iMac 20 A1174 820-1888

    This thread is for the Apple iMac 20 A1174 with main board 820-1888. Apple logic boards use 820- numbers. Check the number printed on the PCB before you download. Files wanted for this board EFI firmware (full SPI ROM dump) Schematic (PDF) Boardview (.brd / .bdv / .cad) Usually needed after...

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