... option)3*COM, 1*LPT, 2*PS/2, 1*VGA, 4*USB, 2*Glan, 1*Audio, 1*MIC 1*Mini ... 422/4851*Lin-IN/Lin-OUT/MIC-IN1*Powerr switch 1*DC input connectorSystem:Processor: Intel Atom D525(Dual ... 2.5" SATA HDDEthernet" 100/1000 EthernetVGA port" 1*VGA connectorKB&Mouse: 1* portAudio" Realtek@ALC662, 5.1 Channel ... surround audioUSB: 4*USB 2.0Series port; 3*RS232, COM2, RS232/422/ ...