Replacement Notebook Motherboard NM-C121 / 5B20S43133 with CPU 5405U for FV440 FS441 FS540 V15-IWL S145-15IWL

Notebook motherboard — Model Number replacement identified as NM-C121 / 5B20S43133. Built-in CPU: 5405U. Intended as a direct replacement for FV440, FS441, FS540 and compatible with V15-IWL and S145-15IWL notebook models.