Lenovo C225 All-In-One - Manual (Page 27)

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 parts on the motherboard for model C220.
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2
3
4
5
6
7
8
9 1 1 1 0 1 2 1 3
1 4
1 5
1 6
1 7
1 8
1 9
1. System fan 11. Power Board
2. Touch Screen 12. I/O Board
3. Converter 13. Speaker
4. ODD Power 14. USB connector
5. ODD SATA 15. Microphone connector
6. LVDS 16. Headphone connector
7. HDD SATA 17. USB connector
8. HDD Power 18. Card reader connector
9. DC Jack 19. Camera
10. Function Board
Chapter 7 . Replacing hardware 23