NM-C121 Laptop Motherboard 5B20S41719 / 5B20S41748 — For S145-15IWL, V15-IWL (Model FV440 441 540) — CPU I38145U I58265U

Replacement NM-C121 motherboard, carrying part numbers 5B20S41719 and 5B20S41748. Built for use in S145-15IWL and V15-IWL laptops and compatible with model FV440 441 540. Supports processors I38145U and I58265U and serves as a direct replacement board for repairs or upgrades.