BIOS set for a board identified as PG33 version 02, containing an 8 MB image and a 1 MB image according to the name. On many laptops the second, smaller file is the EC or keyboard controller firmware held on a separate chip, but check the contents to be sure. The RAR archive is about 4.4 MB. Program each image to the flash chip of matching capacity with an external programmer, back up both original chips first, and confirm the board version printed on the PCB before writing.
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 →