BIOS image for the MSI B75MA-E33 desktop motherboard, a board based on the Intel B75 chipset as the model name indicates, archived as RAR at about 7 MB. The file name gives no version or revision details. Use it to reprogram the SPI flash with an external programmer when the board does not POST because of damaged firmware. Keep a backup of the original chip, check the MS number printed on the PCB matches this model, and make sure the dump size suits the fitted flash chip.
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 →