Working BIOS for LG gram 13Z970, 14Z970 and 15Z970 laptops, with the mainboard number EAX67183403 and the LGIT tag in the name, which is described as fully tested. The RAR archive is 4.74 MB. A verified dump helps revive a notebook that fails to post after firmware corruption, written to the SPI flash with a programmer. Confirm the EAX number on your PCB, read and save the original chip contents, and check the image size matches the flash.
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 →