BIOS archive for the EXO 355 laptop, marked g2, compressed as a 573 KB RAR. EXO is an Argentine brand, and the g2 tag most likely separates a second hardware generation from earlier units. The name gives no board number, so compare the model and generation with the label on your machine. Reflash the firmware with a programmer to fix a corrupted BIOS. Back up the existing chip and confirm the image size matches the flash before writing.
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 →