Tested BIOS for the ECS H81H3-M4 desktop motherboard, version 1.0A, packed in a 3.71 MB rar archive. The H81 in the name points to the Intel H81 chipset. Use the image to recover a board with corrupted firmware by writing it to the SPI chip with an external programmer such as a CH341A. Before flashing, read and save the original chip contents, confirm the PCB revision matches 1.0A, and check that the image size matches the flash chip capacity.
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 →