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BIOS Apple A1229 820-2132-A Rev;1.2

Laptops and Desktop Bios, Schematic and Boardview Files And Repairing Discussion
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Apple A1229 820-2132-A Rev;1.2
biosbin.zip
schematics
 
About this board

Files for the Apple A1229 motherboard, board number 820-2132-A.

This listing is for revision 1.2; another revision of the same board can need a different file.

Files usually needed for this board
  • EFI firmware (full SPI ROM dump)
  • Schematic (PDF)
  • Boardview (.brd / .bdv / .cad)

Usually needed after a failed firmware update, for EFI password removal, or when the board powers on but never shows the Apple logo.

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 820-2132-A in File Finder.

Attachments




m74-m76-dvt.rar
27.6 KB · Views: 4

Apple A1229 820-2132A.rar
1.3 MB · Views: 4

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