Lenovo C445 All-in-One - Manual (Page 31)

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 location of connectors and components on the
front of the motherboard.
1 2
3
6
7
8
9 1 0 1 1 1 2 1 3 1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
4
4
5
1. HDMI-out connector 12. Battery
2. CPU and socket 13. TV-Tuner card connector
3. Memory connector 14. Rear I/O module connector
4. USB connectors 15. DC-in connector
5. Headphone connector 16. Front function board (TBD)
6. Microphone connector 17. Hard disk drive power connector
7. Memory card connector 18. Optical drive SATA connector (Red)
8. Speaker connector 19. Hard disk drive SATA connector (Balck)
9. Power control connector (TBD) 20. Converter connector
10. Wi-Fi card connector 21. Camera connector
11. TBD 22. System fan connector(22&23 TBD, LVDs is missing
in the drawing)
Chapter 7 . Locating connectors, controls and components 25