[SOLVED] Unidentified header, not labeled in the manual

Oct 23, 2020
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So I have a MSI MEG Z490 Unify motherboard, and I was looking around for a 2 pin temp header for a liquid loop, and while there isn't one labeled in the manual, there is a random, unlabeled 2-pin header to the right of the JCORSAIR header.

So looking closer it looks like that 2 pin header is labeled J1, and now that I'm looking closer, there are two 3-pin headers at the bottom right labeled JDP1 and JSMB1, both in an L-shape, as well as another 2-pin header just above LED-SW1, just to the left of those. None of these headers are mentioned in the manual, does anybody have any ideas? It's obviously for nothing that's been crucial so far but it seems like they should be labeled in the manual.
 
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