Audio Ports Use the three audio jacks to connect audio devices. ECS NGT240-1GQRL-F (V1.0) NVIDIA Graphics driver for Windows 7 - nVIDIA drivers for Windows 7 The firstjack is for stereo line-in signal. The second jack is for stereoline-out signal. The third jack is for microphone. When installing 4-pin power cable, the latchesof power cable and the ATX12V ECS NFORCE6M-A2 NVIDIA RAID per-fectly. Connecting 4-pin power cableAfter you have installed the motherboard into a case, you can begin connecting themotherboard[…]