The NUVOTON NCT6779D Super I/O Controller IC is a high-function Super I/O chip widely used on desktop, laptop, and server motherboards. It integrates advanced hardware monitoring, fan control, temperature sensing, and legacy interface support in a single controller. This IC monitors critical system parameters such as voltages, temperatures, and fan speeds while providing UART (serial), parallel, keyboard/mouse, and GPIO support. It also offers smart fan control algorithms to maintain efficient cooling and system stability. Designed for stability and reliability, the NCT6779D is commonly used in repair and OEM applications where robust system health monitoring is required

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NUVOTON NCT6779D Super I/O Controller IC
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Description
Specification
Technical Specifications
• Manufacturer: Nuvoton Technology
• IC Type: Super I/O Controller
• Monitoring: Voltage, temperature, fan speed feedback
• Smart Fan Support: Adaptive fan control (Smart Fan I/IV)
• Interfaces: UART (2x), parallel port, keyboard controller, GPIO
• Hardware Monitoring: Up to multiple sensor inputs (temp & fan)
• Package: 128-pin LQFP surface mount
• Application: Desktop, laptop, and server motherboards
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