>> https://twitter.com/thibaudibm/status/1047538907926220800
>> https://twitter.com/stewartsmith/status/1047444730450251776
>> http://image-store.slidesharecdn.com/a8603fb1-8f75-4c0e-bf14-7a0cb53d6b3d-original.jpeg

> Is the white connector on the board, above, right, for testing (?)

That's a FlexVer connector:

https://www.raptorengineering.com/TALOS/documentation/flexver_intro.pdf
https://www.raptorengineering.com/TALOS/documentation/integrimon_intro.pdf
https://wiki.raptorcs.com/w/images/e/e3/T2P9D01_users_guide_version_1_0.pdf (page 27)