There are no deatails about the board yet, other than it’s an internal mod that ttranscaodes Digital audio and component Video to HDMI.
While, it isn’t a pure Digital to Digital conversion, having an analog conversion as close to the source as possible will have the potential for a cleaner output than a basic component video to HDMI converter.
Tried an XBOX HDMI mod today. The results are looking good. pic.twitter.com/wIYyankxQF
— Consoles4You (@Consoles4You) December 15, 2018
Solutions such as the AVIP thread on Xbmc4Xbox forum have been discussed in the past, but you need to cut a hole in the XBox shell and there’s a lack of documentation to it.
There’s also N64 Freak who is preparing a Plug & Play solution called OGX HD: an adapter that takes Component Video and Analog Stereo Audio and converts it to HDMI, however digital audio isn’t used.
Unfortunately, until a true digital to digital HDMI mod is available, A-D conversions are the only options we have…