Full firmware image for the Apple logic board 820-00239, EMC 3163, provided as an 8 MB binary with the outimage suffix typical of ready-to-write chip dumps. The model number is not stated, so identify the machine by the EMC and the board code printed on the PCB. Technicians program this to the SPI flash with an external tool to repair boot failures caused by corrupted firmware. Read and save the original chip before writing, since it holds serial and configuration data unique to the machine.
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.
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 →