What about this?
this is in the important.txt/readmeh.txt of the latest rxtools nightly:
If you have a New 3DS, use 0004013820000002.bin from ReiNAND v2 (search for Reisyukaku's pastebin) instead of firmware.bin and put it in /rxTools/data/.
I had a weird thought, Sega with the Saturn it was a train wreck a pile of chips, but it does kind of fit the design philosophy of Sega at the time.... The Genesis/Sega CD/32X machine was probably loads of fun to program for