Firmware dump for the Apple 820-2936 logic board, likely revision B. The org tag suggests an original, unmodified read taken from a working chip. It is 8.00 MB, sized for a 64 Mbit SPI flash. An original dump is valuable as a clean reference when a board's boot ROM is damaged or was overwritten by an edited image. Match the board number and revision on the PCB before programming. Note that it may carry another machine's serial number, which can matter for activation and firmware lock behaviour.
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 @bios_laptop. Enginerys does not host this file.
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 →