A BIOS / firmware dump for Dell hardware (board LA-E152P). Shared as “DELL_Precision_3520_CDP80_LA_E152P_REV_1_0A00_2017_04_22_TESTED.rar” — a .rar file, 9.17 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 @Laptopbiossolutions. 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 →