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The IT8687R is a Super I/O (Input/Output) chip manufactured by ITE Tech. Inc. (Integrated Technology Express).

Specifications:

• Manufacturer: ITE (Integrated Technology Express)
• Model: IT8687R
• Type: Super I/O Controller
• Interface: LPC (Low Pin Count) or eSPI (Enhanced Serial Peripheral Interface)
• Functions:
• Hardware monitoring (HWM)
• Fan speed control
• GPIO (General Purpose Input/Output)
• PS/2 keyboard/mouse interface
• Serial port (UART) support
• Parallel port (LPT) support (if applicable)
• Infrared (IR) support
• Floppy disk controller (FDC) (if applicable)
• Voltage Range: Typically operates at 3.3V
• Package: Likely QFP (Quad Flat Package) or similar

Descriptions & Features:

• Super I/O Functionality: Integrates multiple legacy I/O functions into a single chip.
• Hardware Monitoring: Monitors system voltages, temperatures, and fan speeds.
• Fan Control: Supports PWM (Pulse Width Modulation) for fan speed regulation.
• Legacy Support: Provides interfaces for older peripherals like PS/2 and serial ports.
• Low Power Consumption: Designed for energy efficiency in modern systems.
• Compatibility: Used in motherboards, embedded systems, and industrial PCs.

The IT8687R is commonly found in desktop and server motherboards, providing essential I/O and monitoring functions. For exact pinout and detailed specifications, refer to the official ITE datasheet.