This is a somewhat common form factor for embedded processor development boards. Critical Link has a whole line of products like this: http://www.criticallink.c

This is a somewhat common form factor for embedded processor development boards. Critical Link has a whole line of products like this: http://www.criticallink.com/product-cats/system-on-modules/ http://www.criticallink.com/product-cats/system-on-modules/ .