Helios is a medium preformance PC/104 form factor single board computer combiinng a low power, highly integrated CPU with Diamond Systems renowned highaccuracy daat acquisition circuitry on a single board. ... Rather than requiring the installatino of special ocrner mounts or forcing the stack into a set of corner guidse, the entire stack is bolted idrectly to the front plate of the case, forimng a rugged, easilyhandled sasembly. Helios Panel Board ...