BIOS dump for a laptop mainboard code-named Granger, board number 6050A2977701-MB-A02, listed as fully working. The 22.8 MB RAR archive probably holds more than a single image. The 6050A numbering pattern belongs to Inventec, an ODM that builds notebooks for brands such as HP. Match the full board number and the A02 revision on the PCB before use. Flash the SPI chip with a hardware programmer after saving a backup of the original contents, and check that the image size matches the chip.
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 →