BIOS image for the LCFC NM-A231 motherboard used in the Lenovo ThinkPad Edge E445 and E455, revision 1.0, with AAVE1 as the board code and an E455C reference in the name. It ships as a 2.86 MB RAR archive. Load it into the SPI flash with a programmer when the board shows no POST, a corrupted firmware or a bad update. Read the original chip and keep that copy as a backup first, and make sure the image size equals the flash chip capacity, or it will not fit correctly.
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 @biosarchive. 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 →