The ITE IT8718F-S/GXS is a highly integrated Super I/O chip commonly used in desktop and embedded systems. It provides a wide range of functions, including hardware monitoring, fan control, legacy I/O ports (serial and parallel), and keyboard/mouse interface. This chip is essential for managing and monitoring various system parameters and providing essential I/O functions.

Applications

• Desktop Motherboards: Used on motherboards to provide I/O and monitoring functionalities.
• Embedded Systems: Integrated into embedded systems requiring legacy I/O interfaces.
• Industrial PCs: Employed in industrial PCs for hardware monitoring and control.
• Gaming PCs: Utilized on gaming PCs to monitor temperatures and control fan speeds.
• Server Systems: Can be found on server motherboards for basic I/O and system monitoring.

Features

• Hardware Monitoring: Monitors voltages, temperatures, and fan speeds.
• Fan Control: Provides PWM fan control for optimal cooling performance.
• Serial Ports: Includes multiple serial ports (UARTs) for serial communication.
• Parallel Port: Offers a parallel port for connecting printers and other devices.
• Keyboard and Mouse Interface: Supports PS/2 keyboard and mouse.
• LPC Interface: Connects to the LPC bus for communication with the chipset.
• CIR (Consumer Infrared) Interface: Supports infrared remote control functionality.
• GPIO Pins: General-purpose input/output pins for flexible configuration.

Benefits

• Comprehensive Monitoring: Provides detailed information about system health.
• Optimized Cooling: Fan control features allow for efficient cooling and noise reduction.
• Legacy I/O Support: Maintains compatibility with legacy devices through serial and parallel ports.
• Simplified System Design: Integrates multiple functions into a single chip, reducing component count.
• Enhanced System Reliability: Hardware monitoring helps prevent system failures.

Additional Details

The IT8718F-S/GXS typically communicates with the system chipset via the LPC (Low Pin Count) bus. It requires a 3.3V power supply. The chip is commonly available in packages such as LQFP (Low-profile Quad Flat Package). Detailed specifications include parameters such as voltage ranges, operating temperature, and I/O signal levels. Refer to the ITE datasheet for precise details.