Firmware dump for the Toshiba Satellite C640-10J laptop, model code PSC02E, supplied as a 3.04 MB RAR. Unlike some related files, this name gives no motherboard number, revision or tested status, so identify the board on the PCB and inspect the archive before trusting it. Such images are flashed onto the SPI BIOS chip with an external programmer to fix bricked boards or failed updates. The C640 shipped in several board variants, so match carefully, save the original chip read first and verify that the image length equals the chip capacity.
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 @generalbios. 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 →