This thread is for the Apple MacBook Pro A1398 with main board 820-00462.
Apple logic boards use 820- numbers. Check the number printed on the PCB before you download.
Files wanted for this board
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.
Have a tested dump for 820-00462? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
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 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.
Have a tested dump for 820-00462? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
