BIOS firmware package for the HP 635 notebook, labelled for the CHICAGO_BR_HPC MV_MB_V2 motherboard, packed as a 1.29 MB RAR archive. The board label points to the Chicago platform design used on this HP model. Technicians use such an image to reflash the SPI BIOS chip with a programmer such as a CH341A when the laptop fails to post or shows corrupted settings. Read and save the original chip contents first, and confirm the image size matches the flash chip capacity before writing, otherwise it will not fit or boot.
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 →