Working BIOS image, marked OK, for the Gigabyte B550 AORUS PRO motherboard, revision 1.0, supplied as a 32.0 MB raw BIN suited to a 256 Mbit SPI flash. Technicians write it with a programmer and clip to revive a board with corrupted firmware or a failed flash. Before writing, read and keep the existing contents, which can hold the LAN MAC and serial data. Check the revision silkscreen on the PCB, as other revisions may use different images, and verify the chip size matches.
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_laptopomi. 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 →