Tested 8 MB BIOS binary for a Lenovo laptop on LCFC board NM-C821, with RAM disabled in the name, which suggests the onboard memory is turned off so the board can run from a SO-DIMM slot. LCFC is Lenovo's in-house manufacturer and uses the NM- prefix. The raw BIN can be written straight to a 64 Mbit SPI chip with a programmer. It is a workaround for boards with faulty soldered memory, so confirm the board number, back up the original dump and keep it for restoring serial data if needed.
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 @CLRINDORE. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →