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BIOS APPLE A1278 820-2936-A bios, schematic, board view

Laptops and Desktop Bios, Schematic and Boardview Files And Repairing Discussion
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A1278 820-2936-A
bios bin zip
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A1278 820-2936-A Schematic.pdf
A1278 820-2936-A Board view zip
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About this board

This thread is for the Apple A1278 with main board 820-2936-A.

What this thread covers
  • EFI firmware (full SPI ROM dump)
  • Schematic (PDF)
  • Boardview (.brd / .bdv / .cad)

Typical reasons to reflash: no boot or no chime after a firmware update, a firmware (EFI) password lock, or a corrupted ROM after liquid damage.

Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.

If you have a working file for this board, please share it below. More files: search 820-2936-A in File Finder.

Attachments

APPLE A1278 820-2936-A.pdf
14.7 MB · Views: 5
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