Dell ChengMing 3980 - System Back View

System back view
1 Line out port 2 HDMI port
3 VGA port 4 PS2 port for keyboard
5 USB 2.0 ports (4) 6 Expansion card slots
7 Power supply diagnostic button 8 Power diagnostic light
9 Power connector port 10 Padlock ring
11 Kensington security slot 12 Network port
13 Service tag 14 PS2 port for mouse
15 Serial port
8 Chassis