RAR archive holding a BIOS dump for a board marked NB2686_MB_V3, where the OKOK note suggests the uploader confirmed it works. No brand or laptop model is named, so identify the device by the silkscreen on the PCB first. Extract the image and check its size against the SPI flash chip capacity before writing it with a programmer. Always save a read of the original chip, because it may hold serial numbers, a Windows key or MAC data that a generic dump lacks.
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 →