BIOS image for the HP Compaq Presario CQ56-124er laptop, supplied as a 1.14 MB RAR. The name does not specify the motherboard number, so check the PCB marking since CQ56 boards came in different versions. Technicians write such a dump to the SPI BIOS chip with an external programmer to repair a no-display or failed update condition. Read the original chip and keep the backup before writing, and make sure the extracted image size equals the flash 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 →