Firmware set for the Compal LA-B211P board, revision 1.0, under project code Z5WAL, bundled with firmware for the KB9022 embedded controller. The KB9022 is an ENE keyboard and power-management controller, so the archive likely covers both the main BIOS and the EC code needed for power-on. Use a suitable programmer, back up the existing flash and EC contents first, and check that each image size fits its chip. LA-xxxxP is Compal's numbering, and the PCB label should match before you 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 .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 →