In fact, there was overlap between the maximum system clock, and the TMDS bit clocks of slower DVI video modes. We had done great stuff with VGA on the FPGA platform, which ran at 48 MHz, but wouldn't ...

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 ...