... such as USB, COM, LPT, PS/2, AUDIO, RJ-45 LAN and VGA to connect external devices for data transferring, backup ... ,1x PCIe x16,1x ISAIndicator LampPOWER_LED, HDD_LEDSystem ControlPower Switch button, Reset button, host switch buttonPS/21x KB, 1xMSLPT1x LPT(DB26)Power SupplyPower ... COM;1x PCIe x1;1x PCIe x16;5x PCI;2x Lan