Connecting the cablesAttention: To prevent damage to equipment, connect the power cords last.If the server cables and connector panel have color-coded connections, match thecolor of the cable end with the color of the connector. For example, match a bluecable end with a blue panel connector, a red cable end with a red connector, andso on.The following illustration shows the input/output (I/O) connectors on the rear of theserver.Power connectorSerial 1 (Com1)USB connectorsEthernetconnector 1VideoEthernet transmit/receive activityLEDEthernet link statusLEDPower switchEthernetconnector 2Ethernet transmit/receive activityLEDEthernet link statusLEDUpdating the server configurationWhen you start the server for the first time after you add or remove an internaloption or an external device, you might receive a message that the configurationhas changed. The Setup utility starts automatically so that you can save the newconfiguration settings. For additional information, see “Using the Setup utility” onpage 54.Some options have device drivers that you must install. For information aboutinstalling device drivers, see the documentation that comes with each option.If the server has a ServeRAID adapter and you have installed or removed a harddisk drive, see the ServeRAID documentation for information about reconfiguringthe disk arrays.Connecting external devicesIf you install a supported optional adapter, you can attach external devices to theserver.To attach an external device, complete the following steps:Chapter 2. Installing optional devices 51