Line Out, Mic In Connector (Cn55); Audio Input From Cd-Rom (Cd In; Cn56); Table B.20:Audio In From Cd-Rom (Cd In; Cn56) - Advantech AIMB-742 User Manual
Socket 478 intel pentium 4/celeron industrial atx motherboard with ddr/agp/ dual gigabit lan (400/533/800 mhz fsb)