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Home / Intel® Graphics for Linux* / Documentation / How to Set up Dual Head for Intel Graphics with RandR 1.2 / Intel® Graphics for Linux* - 3-pipes

3-pipes

Published by:
Rodrigo Vivi
Last modification:
Mar 01, 2015

Documentation

3-pipes is a feature that allows users to have 3 Monitors plugged in. It is present at 3rd Generation Intel® Core™ processors with Intel® HD Graphics (codenamed IvyBridge) and 4th Generation Intel® Core™ processors with Intel® HD Graphics (codenamed Haswell).

For other platforms only Dual outputs are supported.

IvyBridge limitations

In order to get 3 screen outputs at Ivybridge you shall use 2 Display Ports + any display with some limitations on modes supported.

Easy way to verify what modes are supported is using this script.

Haswell limitations

Haswell 3-pipes is less restrictive than Ivybridge. You can have 3 screns with

* 2 Display Ports + any display

* 1 Display Port and 2 HDMI or DVI

* 1 VGA and  2 HDMI or DVI

and no restrictions on mode combination. 

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