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.
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1. Wi-Fi connector
12. USB 2.0 connector
2. Battery
13. USB 2.0 connector
3. System fan connector
14. USB 2.0 connector
4. HDD/ODD power connector
15. HDMI-in connector
5. HDD SATA connector
16. Memory socket
6. Power switch connector
17. Combo audio jack
7. Speaker connector
18. SD card reader
8. Converter connector
19. USB 3.0 connector
9. Power connector
20. USB 3.0 connector
10. Ethernet connector
21. LVDS connector
11. HDMI-out connector
22. Camera connector
Chapter 7
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Locating connectors, controls and components
25
Summary of Contents for Thinkpad 300
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