Firmware set for the MSI MS-14531 laptop mainboard, version 1.1, containing a 4 MB BIOS image together with EC (embedded controller) firmware in a RAR archive. MS-xxxxx is MSI's own board numbering, with the first digits indicating the product family. The BIOS goes to the SPI flash and the EC file to the controller, both fixing problems such as no power, charging faults or a dead keyboard. Confirm the board reads MS-14531 ver 1.1, match image sizes to the chips, and back up both originals first.
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 →