Digital Visual Interface: Difference between revisions

Revision as of 20:42, 2 October 2024

Revision as of 21:00, 2 October 2024

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* HDMI sources differentiate between legacy DVI displays and HDMI-capable displays by reading the display's [[EDID]] block.

To promote interoperability between DVI-D and HDMI devices, HDMI source components and displays supportsupporting DVI-D signalingrequired thoughsignal requiring active circuitryconverter to achieveaccomplish this .FirstEarly commercialimplimentations ICconverted the TMDS calls to supportVESA/DDC thisequivalent.Commercial wasICs CH7101B-BFstarted appearing in Q3 2000 supporting both VGA and DVI-D.

Some DVI-D sources use non-standard extensions to output HDMI signals including audio (e.g. [[Radeon R600|ATI 3000-series]] and [[GeForce 200 series|NVIDIA GTX 200-series]]).<ref name="HDMI2006SpecsAppC">{{cite news |title=HDMI Specification 1.3a Appendix C |publisher=HDMI Licensing, LLC. |url=http://www.hdmi.org |format=PDF |date=2006-11-10 |access-date=2009-11-18}}</ref> Some multimedia displays use a DVI to HDMI adapter to input the HDMI signal with audio. Exact capabilities vary by video card specifications.