The HDMI interface is electrically identical and compatible with the video-only DVI interface, which came first. For example, if a cable box or PC has DVI out, but the TV or monitor only has HDMI ...

With some clever hacks and fast IO work, it’s possible to ... simply outputting compatible DVI signals on the port. This implementation is pure HDMI 1.4b, enabling the extended capabilities ...

Analog VGA is being replaced with DVI-D and HDMI on many devices nowadays, so it would be nice to port projects from VGA to DVI-D. To address this, he’s come up with a simple DVI-D ...