Full BIOS dump for the Gigabyte B550M DS3H AC desktop board, revision 1.2, marked OK in the name to indicate a working image, 32.0 MB in raw BIN format. The size matches a 256 Mbit SPI flash chip. Use it to reprogram the chip with an external programmer when the board fails to post after a bad update. Save the original chip contents first, since they may contain the MAC address, and confirm the board revision printed on the PCB is 1.2.
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 →