3
Liquid crystal display (LCD) panel
4
Power switch
5
Power indicator
6
Hard disk drive activity indictor
7
Bluetooth activity indicator
Rear connectors
The following illustration shows the locations of the connectors on the rear of the computer.
Figure 2. Rear connector locations
1
Card reader (available in some models)
2
USB connector
3
Headphone connector
4
Microphone connector
5
USB connector
6
Serial port (available in some models)
7
PS/2 mouse connector (available in some models)
8
PS/2 keyboard connector (available in some
models)
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ThinkCentre Hardware Maintenance Manual
10
Brightness control /Right
11
Image setup control /Left
12
Monitor mode control /Exit
13
Microphone mute/on control
9
Power cord connector
10
Integrated cable lock slot
11
Ethernet connector
12
USB connectors (4)
13
DisplayPort out connector
14
VGA IN connector
15
ExpressCard slot (available in some models)