Lenovo C2 Series Hardware Maintenance Manual page 30

Identifying parts on the motherboard
The motherboard (sometimes called the planar or system board) is the main circuit board in your computer.
It provides basic computing functions and supports a variety of devices that are factory-installed or that you
can install later.
The following illustration shows the locations of connectors on the motherboard for model C220.
1. System fan connector
2. Touch screen connector
3. Converter connector
4. Optical disk drive power connector
5. Optical disk drive SATA connector
6. LVDS connector
7. Hard disk driver SATA connector
8. Hard disk driver power connector
9. DC jack connector
10. Function board connector
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Lenovo C2/C3 SeriesHardware Maintenance Manual
11. Power board connector
12. I/O board connector
13. Speaker connector
14. USB connector
15. Microphone connector
16. Headphone connector
17. USB connector
18. Card reader connector
19. Camera connector