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A Newbie's Guide To RandR 1.2

Michael Larabel

Published on 26 November 2007
Written by Michael Larabel
Page 3 of 3 - 11 Comments

When dealing with TVs and in some other circumstances you may need to create a custom mode. Below is an example mode created for a TV interfaced via S-Video. It's important to note that in order to utilize RandR via component or S-Video, the graphics driver will need to support TV-Out.

xrandr --addmode S-video 800x600
xrandr --output S-video --mode 800x600

RandR 1.2 support isn't limited to just notebooks or just desktops, and the display possibilities are near endless -- it's certainly much cleaner than having to deal with restarting X or manually modifying your xorg.conf. We have tested the latest Radeon, RadeonHD, and Nouveau drivers in different RandR configurations with positive results.

If you are in need of more RandR assistance than the basic information shared in this article, be sure to stop by the Phoronix Forums for additional support.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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