Firmware dump for Apple model A1370, logic board 820-3024 revision B, stored as an 8.00 MB binary. The name gives model, board and revision but no EMC number or test status. Technicians write such an image to the SPI flash holding the EFI firmware with a hardware programmer to recover a non-booting board. Read and save the existing chip first, confirm the board number and revision printed on the PCB, and make sure the flash part is 8 MB to hold the image.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @efibios. Enginerys does not host this file.
All sources (5)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @efibios | 30 Jul 2020 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 28 Apr 2025 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 2 Aug 2026 | Open file on RM Schematics |
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →