BIOS binary for the Samsung RC420 and RV420 laptops on Samsung board BA41-01581A, zipped at 2.05 MB. Samsung uses BA41 numbers for motherboards, and one model often has several BA41 variants, so match the exact number on the PCB. Use the image with a SPI programmer to restore a board stuck with bad firmware. Read and save the existing chip contents before writing, and check that the image size equals the flash chip capacity so it fits.
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 →