Lenovo C440 Touch Lenovo C340/440 Series Hardware Maintenance Manual - Page 31

Identifying parts on the motherboard, front of the motherboard. - driver

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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 24 23 22 21 20 19 18 17 16 15 14 1. Thermal sensor header 2. CPU and socket 3. Memory connector 4. USB connectors 5. Headphone connector 6. Microphone connector 7. Memory card connector 8. Speaker connector 9. Power switch board connector 10. Wi-Fi card connector 11. Front control board connector 12. Battery 3 4 5 6 4 7 8 13 12 11 10 9 13. TV-Tuner card connector 14. Rear I/O module connector 15. DC-in connector 16. B-Case card connector 17. Converter board connector 18. Hard disk drive SATA connector 19. Hard disk drive power connector 20. Optical drive SATA connector 21. Optical driver power connector 22. LVDS connector 23. Camera connector 24. System fan connector Chapter 7. Locating connectors, controls and components 25

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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. Thermal sensor header
13. TV-Tuner card connector
2. CPU and socket
14. Rear I/O module connector
3. Memory connector
15. DC-in connector
4. USB connectors
16. B-Case card connector
5. Headphone connector
17. Converter board connector
6. Microphone connector
18. Hard disk drive SATA connector
7. Memory card connector
19. Hard disk drive power connector
8. Speaker connector
20. Optical drive SATA connector
9. Power switch board connector
21. Optical driver power connector
10. Wi-Fi card connector
22. LVDS connector
11. Front control board connector
23. Camera connector
12. Battery
24. System fan connector
Chapter 7
.
Locating connectors, controls and components
25