I have an ATX board set up in BTX fashion, they're really the same form factor but I assume a BTX labeled board has one of those special air ducts included with it but I don't know
But yeah, you're really just taking an ATX board and flipping it 180 degrees and mounting it on the other side of the case
But yeah, you're really just taking an ATX board and flipping it 180 degrees and mounting it on the other side of the case