BIOS archive for Compal board LA-E991P revision 1.0 (A00), with the platform codes CKA50 and CKF50 indicating Dell models that share this board. The Compal LA-xxxxP pattern identifies the ODM. The 6.19 MB ZIP should hold an SPI image for writing with an external programmer. Read and keep the original chip first, since the service tag and system configuration are stored there. Check the board number and revision on the PCB and the flash chip capacity 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 .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 →