When you turn the panel PC around and look at its rear cover, you will find the PCI/ISA expansion slot located on the left side. This slot is covered by a side panel cover. The sunken I/O section is at the bottom of the panel PC, as shown in Fig.
PCI/ISA expansion slot cover
PS/2 mouse and keyboard connector
USB ports
Ethernet jack
Contrast adjust knob Lightness adjust knob
Line out jack Line in jack Microphone in jack
Parallel port
Serial ports
VGA port Game port
Figure 2-3: Rear view of the panel PC
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