EFI firmware for the 2011 MacBook Air with the 1.6 GHz Core i5, EMC 2471 per the name. The ZIP is 3.79 MB and should include a boot ROM image to write to the SPI flash chip with a hardware programmer. It is useful when the logic board fails to boot from a corrupted ROM or carries a firmware password. Check the EMC on the case, read the original chip first and keep the backup, because machine serial data stored in it must be transplanted into any donor 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 @biosarchive. Enginerys does not host this file.
All sources (9)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 16 Nov 2019 | Open file on RM Schematics |
| @biositechyangiyer | 19 May 2020 | Open file on RM Schematics |
| @laptexlaptopbios | 11 Jul 2020 | Open file on RM Schematics |
| @one5technology | 21 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @biosdumpcomputer | 25 May 2022 | Open file on RM Schematics |
| @skclappybios | 10 Apr 2024 | 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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →