Firmware image for the HP Compaq Presario CQ57-300TU, packed in a 1.98 MB ZIP. The name lists only the model, giving no board number or revision, so read the code on the mainboard and make sure it corresponds to this model before use. Technicians write dumps like this onto the SPI BIOS chip with an external programmer when firmware corruption prevents booting. Save the original chip contents first, as they may hold serial and system data, and confirm the file size matches 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 @Laptopdesktopbios. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →