Vortex Sound Research

Just took this thing apart to have a batery put in it and I forgot there are about 3 or so (3-pin) connectors and totally forgot to mark them with a rubber band or something like I normally do. I once had this beast apart but it was years ago and I recall there being an unused set of pins but I kinda rushed this time and forgot to mark that too so that I don't accidentally plug something into those pins on the mobo and blow it up. So basically what Im saying is there are several connectors that look the same on the harnice that plug into the mainboard and I want to make sure I put em back right.

IIRC the unused pin set was a test point or something having to do with an add-in board or something