Laptop Motherboard NM-C821 (5B20S44294) Replacement for 3-17ADA05 — CPU 3050U/3020E, L81W2, AS UMA, 4G

Replacement laptop motherboard for model number 3-17ADA05. Main board ID: NM-C821, part number 5B20S44294. Supports CPUs 3050U and 3020E. Marking/firmware: L81W2. Integrated graphics: AS UMA. Onboard memory: 4G. Designed as a direct replacement for the original 3-17ADA05 laptop motherboard.