1 6PPC-153 User's ManualFigure 2-3: Rear view of the panel PCFigure 2-4 shows the I/O section and power switch of the panel PC.Figure 2-4: Rear and side view of the panel PCUSB portsPCI/ISA expansionslot coverPS/2 mouse andkeyboard connectorEthernet jackContrast adjust knobBrightness adjust knobLine-out jackLine-in jackMicrophone-in jackGame portSerial portsParallel portVGA portMain powerswitchAC inlet