Compressed BIOS / firmware package labelled only Esys, likely referring to the brand of the desktop board, though the name states no model, chipset, board number or version. At 375 KB the archive probably holds a small image suited to an older flash chip, but verify what is inside before use. A dump like this is normally flashed with an external programmer to revive a board after a failed update. Match the PCB markings to the target, read and keep the original chip contents, and compare the image size with the 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 @Laptopdesktopbios. 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 →