I/O connector locationsThe following illustration shows the input/output connectors and the expansionslots on the rear of the computer.The following illustration shows the I/O connectors on the rear of the towermodel.Power cordconnectorMouseKeyboardParallelSerial ASerial BUSB 3USB 2MicMIDILine inLine outEthernetVideoThe following illustration shows the I/O connectors on the rear of the desktopmodel.MouseKeyboardParallelSerial ASerial BEthernetUSB 2USB 3MIDILine outLine in MicPower cordconnectorVideoNote: If your computer is a SCSI model, the SCSI adapter will be located in PCIslot 1; the external connector will be located in the slot below the videoconnector on the tower model and to the right of the video connector on thedesktop model. See “System and PCI extender board option connectors” onpage 35 for the location of the PCI expansion slots.Chapter 5. Installing options 71