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radeon hd 6850 displayport audio

Question asked by hotzeplotz on Sep 1, 2015
Latest reply on Sep 1, 2015 by hotzeplotz

having recently switched from using the HDMI output of my Radeon HD6850 card to the DisplayPort output, i can't find information on whether the DisplayPort port of this card is supposed to support audio channels besides the video channel - audio via HDMI worked perfectly with my display and the Radeon's HDMI audio device was listed as one of the available audio outputs when configuring audio on my desktop, but no DisplayPort audio device is listed when connecting via DisplayPort. i can't figure out whether this is a limitation of the drivers i'm using (these are the free software/open source Radeon drivers included in Ubuntu Vivid 15.04) or if this card does not support audio over DisplayPort at all.