BIOS for the ES10ISX motherboard in the Positivo BGH branded variant, a reseller label used in Argentina. The 1.19 MB RAR archive contains firmware with that vendor identity, useful for returning a unit to its original branding after a generic flash or for reviving a board with corrupted firmware. Program it to the SPI flash with an external programmer such as a CH341A. Confirm the board code on the PCB first, save a full dump of the existing chip, and check that the extracted image matches the flash size exactly.
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 →