Lenovo IdeaCentre B550 Touch IdeaCentre B550-B555 Hardware Maintenance Manual - Page 31

Identifying parts on the B550 motherboard - touch

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

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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. 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