Working BIOS dump for a Lenovo desktop motherboard labelled IB250MH, version 1.0, reported as fully functional. The archive needs extracting before the image can be loaded into an SPI programmer for reflashing a corrupted or blank chip. Since no flash size is given in the name, compare the extracted file with the capacity marked on the chip itself. Read and store the original contents first, verify that the PCB carries the same IB250MH VER 1.0 marking, and only then erase and write the replacement image.
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 →