
Locating connectors on the rear of the computer
The following illustration shows the location of connectors on the rear of the computer.
| 1 | Power supply diagnostic | 11 | Ethernet connector | 
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 | LEDs | 
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| 2 | Voltage selection switch | 12 | USB connectors (2) | 
| 3 | Power connector | 13 | Standard keyboard connector | 
| 4 | Audio line in connector | 14 | Standard mouse connector | 
| 5 | Audio line out connector | 15 | PCI Express x16 adapter connector (some | 
| 
 | 
 | 
 | models) | 
| 6 | Microphone connector | 16 | PCI adapter connector | 
| 7 | Serial connector (COM 1) | 17 | PCI adapter connector | 
| 8 | Parallel connector | 18 | PCI Express x1 adapter connector | 
| 9 | VGA monitor connector | 19 | Serial connector (COM 2) (some models) | 
| 10 | USB connectors (2) | 
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Chapter 1. Locations 3