Firmware archive for the Samsung NP540U3C, with the 530U3C model also named, matching Samsung mainboard BA41-02155A. The RAR is roughly 3.04 MB and should contain the BIOS image for the SPI flash. Samsung uses its own BA41 numbering for in-house boards, and the code is silkscreened on the PCB, so compare it before flashing. Always dump and keep the original chip contents first, and check that the extracted image size equals the capacity of the flash chip fitted to your board.
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 →