NM-C121 5B20S43134 Motherboard for S145-15IWL — Compatible with Intel 4205U / 5405U

Replacement computer motherboard NM-C121 (part number 5B20S43134) designed for S145-15IWL laptops. Supports Intel CPUs 4205U and 5405U, providing a compatible mainboard option for systems that use the S145-15IWL configuration.