BIOS and EC firmware set for the MSI U270, board MS-12451 version 1.0, stored in a RAR archive of about 1.15 MB. Having both the system BIOS and the embedded controller code is useful when a unit will not power on or charge correctly, because EC corruption can cause these faults. MS- numbers are MSI's in-house board codes, so compare the PCB marking before flashing. Back up the existing chips with your programmer, confirm each image matches its target chip size, and verify after writing.
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 →