BIOS binary for the Gigabyte B550M DS3H AC motherboard, revision 1.2, marked as working. The 32MB size matches a 256Mbit SPI flash chip as used on many AM4 boards. Technicians write such an image with an external programmer when a board is bricked by a failed update or corruption. Confirm the revision on the PCB and the chip capacity, and back up the existing contents first, since the original dump may hold the board serial, MAC address and other unique data worth restoring.
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 →