Raw BIOS image named A55F2-M4 version 1.0, 4 MB in size, matching a 32 Mbit SPI flash chip. The name suggests a desktop motherboard based on the AMD A55 chipset, though no brand is given. A file like this lets a technician revive a board with corrupted firmware by writing the chip with a programmer or a replacement flash. Compare the model and revision on the PCB, keep a backup of the original BIOS, and confirm the chip capacity on the board before writing this image.
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 @biosarchive. 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 →