BIOS dump for the HP dv4 built on Compal board LA-4111P, revision 1.0, project code JBL20, compressed as an 828 KB ZIP. Compal identifies its motherboards with LA-xxxxP numbers and short project codes like JBL20 on the silkscreen. Technicians use this image to reprogram the SPI BIOS chip with an external programmer when the laptop is bricked or stays on a black screen. Read and save the original chip contents first and check that the image size equals the flash 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 @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 →