BIOS firmware for an H55-M motherboard, placa being Spanish or Portuguese for board, in a 715 KB rar with no brand or version given. H55-M suggests a micro-ATX board on the Intel H55 chipset, offered by several makers, so match the exact model printed on the PCB before using it. Technicians use such images to reprogram a SPI chip after a failed update. Read and save the original chip with a programmer first, and confirm the image size equals the chip capacity.
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 →