Sorry to say, the SD card slot transplant for the Pi failed, and the poor thing never woke up from surgery.

(I should stick to through hole!).

So in its place, I am digging out this old little system to stand in for the hub for now:

It wasn't what I had in mind, but until I can replace the Pi, it should do the job well enough for now (and it has a built in "UPS"!).