BIOS firmware archive for an ECS H61H2-M desktop motherboard, an Intel H61 chipset board, packed as a 5.67 MB RAR. The catalogue lists the brand as Apple, but the name itself only identifies the ECS board model. Extract the image and compare its size with the SPI flash chip on the board before writing it with a programmer such as a CH341A. Read and save the original chip contents first, and confirm the board model and revision printed on the PCB match, since ECS often releases several revisions.
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 @BiosSchematicWorld. 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 →