Firmware archive for an Onda desktop motherboard built on the Intel G41 chipset, board version 2.0 according to the name. The compressed size of 592 KB suggests a small BIOS image, typical of the 4 Mbit or 8 Mbit flash chips used on G41-era boards. Compare the version marked on the PCB with 2.0 before flashing, because other revisions may use different hardware. Technicians usually write such an image with a programmer when the board powers on but shows no display, after first saving the chip's original contents.
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 →