Macbook A1502 820-3476-A Shematic BIOS
About this board
Files for the Macbook A1502 motherboard, board number 820-3476-A.
Files listed for this board
- EFI firmware (full SPI ROM dump)
- Schematic (PDF)
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.
Have a tested file for 820-3476-A? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
Attachments
A1502 820-3476-A.zip
459.7 KB · Views: 38
459.7 KB · Views: 38
A1502 820-3476-A.pdf
1.5 MB · Views: 28
1.5 MB · Views: 28
J44 820-3476-06.rar
4.3 MB · Views: 45
4.3 MB · Views: 45