... board, supporting up to 4-8 Bays for Full HD NVR applications. System Motherboard TypeBPCProcessorOnboard Intel Atom 2.13GHz ... Humidity0%~90% relative humidity, no-condensingOS SupportWindows XP/ Windows 7/ Windows 8/LinuxDisplaySupport DVI, VGA video outGraphic ControllerCedarview D2700 ... PinGPIOGPIO*8, (4* GPI, 1*GPO)IrDA--AudioALC887 , HD Audio 7.1CH, Line out, Mic in Intel Atom Cedarview D2700 ...