Lenovo 3000 - Manual (Page 10)

Locating the connectors on the rear of your computer
The following illustration shows the location of connectors on the rear of the
computer.
1 Standard mouse connector 9 Audio line out connector
2 Parallel connector 10 Microphone connector
3 Ethernet connector 11 USB connectors
4 Audio line in connector 12 USB connectors
5 Power cord connector 13 VGA monitor connector
6 Voltage selection switch 14 Serial connector
7 PCI adapter connectors 15 Standard keyboard connector
8 AGP adapter connector
2 Hardware Replacement Guide