Firmware package for the ECHIPS EM_IC819_200b motherboard, revision V2.0, fitted with the Intel Core i3-1005G1 (S-spec SRGKF). At 18.5 MB compressed it likely holds one or more BIOS images, possibly with extra tools or notes. A repair technician would use it to reflash the SPI BIOS chip when the laptop fails to post or after corruption. Compare the image size with the flash chip capacity, keep a copy of the original dump, and make sure the board revision matches before writing.
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 →