MSI desktop board BIOS for the MS-7353, Ver 1.0, with the file A7353IMS inside a 595 KB rar. MSI names its BIOS files after the board number, starting with A plus the number, followed by vendor and version letters. A small image like this belongs to an older parallel or SPI flash part, so identify the chip before programming. Save the original contents, and confirm the MS-7353 number and version on the PCB match.
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 →