Dell Precision M4800 BIOS image for a Compal LA-9771P motherboard revision 1, noted as tested and fixed. Compal, the ODM behind this mobile workstation board, marks its PCBs with the LA-xxxxP number and revision. The 6.53 MB RAR archive is used to restore corrupted firmware by writing the SPI chip with an external programmer. Check the board number matches LA-9771P, back up the original flash contents including the service tag, and verify the dump size corresponds to the chip capacity before programming.
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 @generalbios. 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 →