BIOS dump for the Dell Latitude E6420 on Compal board LA-6591P revision 2.00, project code PAL50, marked as tested OK, in a 4.93 MB RAR. LA-xxxxP is the Compal numbering scheme, and Dell uses project codes like PAL50 for the same platform. Use it to reprogram the SPI BIOS chip with a programmer when the laptop will not power on or post. Confirm the PCB number and revision, keep a backup of the original contents, and verify that each image size matches its target chip.
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 →