J2: bootup jumper header : when a jumper is placed, the X3M boots with all default settings instead of configured presets. J4: proprietary programmer header for the Dream DSP chip Thank you! And this is the exact pinout for J8 : So it's also possible to add an external DIN to 8, 10, 12 pins of J8 …

Hi All! Great BB, BTW. I've received the X3M+ board yesterday and found it very interesting. I'd like to thanks the Serdaco people for nice idea and its implementation. But the links for downloads (for X2 as compatible) is broken. Is it temporary event or not? I've downloaded X2 banks earlier but …