[yottabyte]

Originally Posted by AcesJames

The simplest way to power an onboard PC would be with a DC/DC PicoPSU. It's much lighter and smaller than a standard PSU.

Here's one you could use.

http://www.mini-box.com/picoPSU-150-XT

It attaches above the motherboard's 24 pin socket. You would then strip the leads that are meant to go to an AC converter (laptop power brick) and plug those into a 12v on the NI PD Board. Simple as that.

thanks