BIOS archive for the Lenovo 100W Gen 5 laptop, about 8.38 MB in RAR form. The name gives no board number, revision or chip details, so check the contents and the motherboard marking before use. Such files typically hold an SPI flash image used to recover a machine that fails to boot after corruption. Read the existing chip first with a programmer and keep the copy, confirm the image size matches the flash capacity, and verify the write before reassembling the unit.
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 @anztechnology. 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 →