Firmware dump for the Lenovo ThinkPad Edge E440 on mainboard NM-A151 revision 1.0, compressed to 4.75 MB in 7z. The name mentions IBM, the original ThinkPad brand, while NM board numbers follow the LCFC numbering used for Lenovo designs built with Compal. The image is used to reflash the SPI BIOS chip with a programmer when the laptop has no video or a corrupt BIOS. Confirm NM-A151 and its revision on the PCB, and back up the original chip, which holds unit-specific data.
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 @biosfiles. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →