BIOS archive for the Lenovo ThinkPad X1 Titanium, machine types 20QA and 20QB. The name gives no board number, revision or tested status, so verify compatibility from the PCB label before use. At 18.4 MB packed it may hold more than one image or a larger flash dump. Technicians use such files to reprogram a corrupted SPI flash with an external programmer. Always read and save the original chip first, and check that the image size matches the flash chip capacity.
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 @generalbios. 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 →