Acer H81-M1 desktop motherboard BIOS, supplied as a 5.08 MB ZIP archive. The board uses an Intel H81 chipset, and its firmware lives on an SPI flash chip that can be reprogrammed externally when the machine powers up without video or loops on start. Use a CH341A or similar programmer, read and store the original data before erasing, and verify that the image size equals the chip capacity. The archive may also contain notes or multiple versions, so review its contents before flashing.
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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →