8 MB BIN firmware image for Lenovo board NM-A281, with no version or model listed beyond the board number. NM-prefixed numbers follow the LCFC pattern, the Lenovo-owned ODM. A raw image of this size is generally a complete SPI flash dump suitable for writing with a CH341A or similar programmer. Back up the original chip first, since the factory image holds unique serial and system data, and check that the chip is 64 Mbit and that the PCB carries the same board number.
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 @bioshub. 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 →