Apple firmware archive whose name only hints at a 13-inch 2011 Core i5 Mac, with the numbers 2419 and 2555 likely referring to EMC codes, though that is not certain. No logic board number is stated, so the target must be confirmed independently. The 7z file is 2.78 MB. Images like this are flashed to the SPI boot ROM with a programmer to revive a board with corrupted EFI. Compare the 820- number on the board, back up the existing chip, and check the image size against the flash capacity before writing.
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 @biosfiles. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →