BIOS file for the HP Compaq CQ40 laptop on the Compal LA-4101P motherboard, and the uploader reports it as tested and working. Compal uses the LA-xxxxP numbering for its laptop boards, and this one was produced for HP. A technician writes it to the SPI flash with an external programmer when the machine fails to POST because of corrupted firmware. Read and archive the existing chip contents before erasing, and make sure the image size equals the capacity of the fitted flash.
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 →