NM-A281 Motherboard (ACLU5/ACLU6) Replacement Guide

The Lenovo NM-A281 (ACLU5/ACLU6) is an entry-level laptop motherboard primarily found in the Lenovo G50-45, G40-45, and B50-45 series. It is built on the AMD Beema platform, typically featuring integrated AMD A6 or A8 processors Scribd Badcaps.

Market Trends & Availability

* Pricing: New or "100% tested" refurbished units are currently retailing between $65 and $80 USD on B2B platforms Alibaba.

* Supply Chain: The market for these boards is driven largely by the repair sector rather than new product builds. Major suppliers are concentrated in Shenzhen, China, which remains the global hub for legacy notebook parts Alibaba.

* Repair Demand: There is a high volume of technical community activity surrounding this board, indicating it is a frequent target for component-level repairs (MOSFET replacement and power rail troubleshooting) Badcaps Fnern.

Technical Specifications

Feature	Details
Processor	AMD FT3b Beema SOC (e.g., A6-6310, A8-6410) Scribd
Memory	Dual DDR3L SO-DIMM slots, up to 16GB total (1.35V) Scribd
Graphics	Integrated Radeon or Discrete AMD Jet LE / Topaz XT (1GB/2GB VRAM) Scribd
I/O	1x USB 3.0, 2x USB 2.0, HDMI, VGA, Gigabit Ethernet Scribd

Common Failure Points

Professional repair data suggests several recurring hardware issues Fnern Youtube:

* Input MOSFET Shorts: PQ6 and PQ7 are common failure points, leading to a "no power" state.

* Liquid Damage Vulnerability: The charging IC (PU4) and PC433 capacitor are frequently damaged by spills.

* Power Rail Breakdown: The B+ line often fails to reach the required 20V due to sensing logic faults.

I have compiled a list of available products and specialized suppliers for this motherboard. You can find detailed technical data and sourcing options in the files below.

Nm A281 Motherboard

Overview

Market Trends & Availability

Technical Specifications

Common Failure Points

Nm A281 Motherboard Aclu5 Aclu6 For Lenovo G50 45 G40 45

Related Searches

Sources & References