Lenovo C355 Lenovo C355/C455 All-In-One Computer Hardware Maintenance Manual - Page 31

Identifying parts on the motherboard

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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 3 4 5 18 6 7 8 9 10 11 1. Camera connector 2. Optical disk drive power connector 3. System fan connector 4. LVDS connector 5. Optical drive SATA connector 6. Battery 7. Hard disk drive SATA connector 8. Hard disk drive power connector 9. Converter connector 12 13 14 15 16 17 10. DC-in connector 11. Rear I/O module connector 12. TV-Tuner card connector 13. B-CAS card reader connector 14. Wi-Fi card connector 15. Front function board connector 16. Power control connector 17. Speaker connector 18. Memory 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. Camera connector
10. DC-in connector
2. Optical disk drive power connector
11. Rear I/O module connector
3. System fan connector
12. TV-Tuner card connector
4. LVDS connector
13. B-CAS card reader connector
5. Optical drive SATA connector
14. Wi-Fi card connector
6. Battery
15. Front function board connector
7. Hard disk drive SATA connector
16. Power control connector
8. Hard disk drive power connector
17. Speaker connector
9. Converter connector
18. Memory connector
Chapter 7
.
Locating connectors, controls and components
25