Older BIOS dump for Wistron motherboard 19705-1M, an 8 MB file without extension, labelled old in the name, which suggests an earlier firmware version rather than the latest release. An 8 MB image matches a 64 Mbit SPI flash chip. It can serve to recover a board that no longer posts after a failed update, written with an external programmer. Once the machine boots, the vendor's official updater can bring it to a current version. Back up the original chip contents and confirm the board number on the PCB 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 @schematiclaptopramkushwaha. Enginerys does not host this file.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →