MITX-6930 Intel Cedar Trail Based Mini-ITX Motherboard with 3G Connectivity21JAU:Signal Name Pin Signal NameMic-in_L 1 2 Mic-in_RLine-out_L 3 4 Line-out_RGND 5 6 GNDNC 7 8 NCLine-in_L 9 10 Line-in_R2.5.10 Parallel Port(LPT)Onboard one 2×10Pin header. Use a conversion cable to connect parallel devices.