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It8995e 128 Datasheet May 2026

The IT8995E-128 is an embedded multi-controller (EC) manufactured by ITE Tech. Inc., commonly used in laptops and personal electronics for power management, keyboard control, and system monitoring. It is a high-performance integrated circuit (IC) known for balancing power efficiency with complex task handling. Technical Overview

Application Examples: This IC is commonly used in Asus motherboards, such as the Asus X407UB Rev 2.0. Repair & Installation Tips it8995e 128 datasheet

  • No keyboard/mouse functionality.
  • Battery not charging (EC handles SMBus communication).
  • No power-on (EC fails to pull PS_ON# low).
  • Overheating (Fan runs at full speed or not at all).

after soldering onto a motherboard if it does not auto-program via the BIOS. Common versions include No keyboard/mouse functionality

The Silent Conductor: An Analysis of the IT8995E 128 Datasheet

In the grand theater of personal computing, the spotlight rarely falls on the supporting cast. Processors and graphics cards command the audience’s attention with staggering clock speeds and teraflops of performance. Yet, beneath the heat sinks and RGB lighting lies a silent conductor, an unsung hero that orchestrates the basic symphony of power, thermal management, and legacy I/O. This role is masterfully filled by the ITE Tech. Inc. IT8995E 128, a Super I/O (Input/Output) controller whose datasheet reveals a fascinating story of resilience, integration, and the delicate balance between modern performance and industrial necessity. after soldering onto a motherboard if it does

Core Peripherals Integrated

  • Serial Ports: Two full-duplex 16C550-compatible UARTs with 128-byte FIFOs.
  • Parallel Port: IEEE 1284-compatible EPP/ECP mode.
  • PS/2 Ports: Two PS/2 interfaces (Keyboard & Mouse) with wake-up support.
  • Fan Controllers: Up to 4 fan tachometer inputs and 3 PWM outputs.
  • Voltage & Temperature Monitoring: 8-channel 12-bit ADC for external sensors.
  • CIR (Consumer Infrared): One infrared receiver/transmitter.
  • System Management: SMBus 2.0 master/slave interface.