A BIOS / firmware dump for MSI hardware. Shared as “MSI H81M-P33 (VER 1.0).1A0” — a .1a0 file, 8.00 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 @ShareMan_Electronic_Files. Enginerys does not host this file.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →