Article ID: 000094185 Content Type: Product Information & Documentation Last Reviewed: 05/31/2023

What Is the Direct Media Interface (DMI) of Intel® Processors?

Environment

Windows 11* Family, Windows® 10 family

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Summary

Lists definition and specifications for DMI for the Intel® Core™ 12th and 13th Gen

Description

Unable to determine what the Direct Media Interface (DMI) is and its characteristics.

Resolution

The Direct Media Interface (DMI) connects the processor and the Platform Control Hub (PCH).

The main characteristics for the 13th and 12th Gen Intel Core Processors are as follows:

  • 8 lanes Gen 4 DMI support
  • 4 lanes Gen 4 Reduced DMI support
  • 16 GT/s point-to-point DMI interface to PCH
  • DC coupling - no capacitors between the processor and the PCH
  • PCH end-to-end lane reversal across the link
  • L0 (Active) and L1 (Low power) states support
  • Half-Swing support (low-power/low-voltage)

The figure below shows the Intel Desktop Processors platform diagram.

The components listed in the image below are what Intel® Processors support. We recommend you contact the motherboard vendors if you have a question about their supported components, as they may have set different configurations for their motherboards.

Listed components

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