Lenovo ideacentre AIO 520 Hardware Maintenance Manual page 35

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.
AIO 520–24AST / AIO 520–22AST
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1. Battery
2. HDD SATA connecto
3. HDD power connector
4. DC-IN connector
5. Ethernet connector
6. HDMI-out connector
7. USB 2.0 connector
8. USB 2.0 connector
9. USB 2.0 connector
10. USB 3.0 connector
11. HDMI-in connector
12. Camera connector
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15 16 17
13. RAM connector
14. Wifi connector
15. Speaker connector
16. I/O board connector
17. I/O board connector
18. SSD SATA connector
19. Converter connector
20. Power switch board connector
21. 4-in-1 connector
22. System fan connector
23. ODD board connector
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Chapter 7 Locating connectors, controls and components
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