Working BIOS image for the P8B75-M LX motherboard, a model name in the ASUS desktop style, though the file lists no maker or version. The 6.12 MB RAR archive holds the dump, intended for flashing the SPI chip with a programmer when the board fails to POST after a bad update. Read and keep the existing chip contents first, as they may hold the MAC address and serial data, confirm the model on the PCB, and check the image size matches the capacity of the 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 →