Hello,
One thing that just came up in another forum is the matter of routing PCB tracks for DDR3 RAM, and this is probably a topic that was encountered by both the Pyra...
https://pyra-handheld.com/boards/threads/analyzing-4gb-ram.81687/
https://pyra-handheld.com/boards/threads/is-there-really-a-light-at-the-end-...
...and the EOMA68 initiatives. Is there any pertinent documentation describing this exercise in the EOMA68 board design process? Searching for DDR3 on the Rhombus Tech site [*] indicates that some boards were done with guidance (at some level) from the vendors:
http://rhombus-tech.net/ingenic/jz4775/news/11jul2014_routing_completed/
http://rhombus-tech.net/allwinner/a31/news/
Previous discussions of KiCad and Olimex boards, which presumably involved DDR3 routing, can be found via this message:
http://lists.phcomp.co.uk/pipermail/arm-netbook/2019-May/016062.html
I ask about this in the context of someone who just made design files available for a board using the Ingenic JZ4780 that they had been working on. Those files are here:
https://gitlab.com/igagis/cranberrypi
Paul
[*] http://rhombus-tech.net/cgi-bin/rhombus/ikiwiki.cgi?P=DDR3