Rear Connectors - Lenovo 3000 Hardware Maintenance Manual

Rear connectors

The following illustration shows the locations of the connectors on the rear of the
computer.
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Hardware Maintenance Manual
1 Power supply diagnostic LEDs
2 Voltage selection switch (some models)
3 Power connector
4 Mouse connector
5 Keyboard connector
6 Serial connector
7 Parallel connector
8 VGA monitor connector
9 USB connectors
10 Ethernet connector
11 USB connectors
12 Microphone connector
13 Audio line out connector
14 Audio line in connector
15 SPDIF connector (some models)
16 C/LFE connector (some models)
17 Back surround connector (some models)
18 PCI and PCI Express adapter slots (type
of adapter depends on system board)
19 PCI and PCI Express adapter slots (type
of adapter depends on system board)
20 PCI and PCI Express adapter slots (type
of adapter depends on system board)
21 PCI a adapter slot