Lenovo IdeaCentre B550 All-in-One - Manual (Page 31)

Identifying parts on the B550 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
6
7
8
9
1 0
1 1
1 2
1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1
2 2
2 3
2 4
2 5
4
5
1. CPU Socket 14. TBD
2. Front indicator board 15. Converter board connector
3. Speaker connector 16. Motherboard power connector 1
4. RJ45 connector 17. e-SATA connector
5. USB 2.0 connectors (2) 18. e-SATA connector
6. USB 3.0 connectors (2) 19. Camera connector
7. HDMI-in/out connectors 20. LVDS connector
8. Mini PCI connector 21. System fan connector 2
9. Touch control board connector 22. e-SATA connector
10. Front function board connector 23. e-SATA connector
11. B-CAS connector 24. System fan connector 1
12. Power board connector 25. Motherboard power connector 2
13. Mini PCI connector
Chapter 7 . Locating connectors, controls and components 25