BIOS image version 1.04 for the B250M Pro4 desktop motherboard, an ASRock model by its naming, described as working, packed as an 8.94 MB RAR. It is used to restore a board that fails to post after a bad update by writing the chip directly with an SPI programmer. Save the original chip contents first, as they can contain the MAC address and serial, and check that the image size matches the flash chip capacity before flashing it to the board.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →