4 of 10Image
In the anechoic chamber, researchers measure noise coming from the laptop. While most of the noise comes from the fan or hard disk, the AC adapter and electrical ports are prone to produce noise too.
This test makes sure laptops produce as little noise as possible so users can use their devices in quiet environments such as the library without disturbing others.
In the EMI (electro-magnetic interference) chamber, Lenovo measures the electrical field strength of ThinkPad devices to ensure they comply with international standards.
In a dust test chamber, ThinkPads are subjected to large amount of dust particles.
The company's researchers make sure that even under dusty conditions, the CPU does not overheat and its capabilities are functioning at optimal levels.