Lenovo C2 Series Hardware Maintenance Manual page 32

The following illustration shows the locations of connectors on the motherboard for model C320.
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 drive SATA connector
8. Hard disk drive power connector
9. AC in connector
10. Function board
26
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