Firmware archive for the base IP35 motherboard, a 466 KB ZIP containing the BIOS image for that model. The name carries nothing beyond the model name, so revision and version have to be determined from the extracted files. Repair work with such dumps usually means desoldering or clipping the BIOS chip, reading and saving its current contents, then writing the known-good image with a programmer such as a CH341A or TL866. Check that the board is the plain IP35 and not the Pro or Pro XE, since BIOS images for sibling models are generally not interchangeable.
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 .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 →