A BIOS / firmware dump for Dell hardware (board LA-4052P, LA-4051P). Shared as “Precision_M4400_V19_E6500_Compal_LA_4052p,_LA_4051p_Luirons_Bios.rar” — a .rar file, 7.22 MB.
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 @Satale_bios_esquemas_Laptop. 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.
7-ZipWinRARThe Unarchiver (macOS)
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →