Lenovo B540 Lenovo IdeaCentre B540-B540P Hardware Maintenance Manual - Page 31

Identifying parts on the motherboard, front of the motherboard. - pci device

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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. 25 23 24 23 22 1 2 3 4 5 6 7 8 9 10 1. Touch Control Board Connector 2. SATA Power Connector 3. LVDS Connector 4. SATA Connector 5. SATA Connector 6. PSU P1 Connector 7. Converter Connector 8. HWTV Module Connector 9. B-CAS Connector 10. Mini PCI Connector 11. Bluetooth Connector 12. Rear I/O Connector 13. BIOS Battery 21 20 18 19 18 17 16 10 11 12 10 13 14 15 14. Power Connector 15. Speaker Connector 16. LED Board Connector 17. Card Reader 18. USB Connector 19. Audio Connector 20. Memory Connectors 21. CPU Socket 22. PSU P2 Connector 23. Fan Connector 24. Touch Function Board Connector 25. Webcam Connector Chapter 7. Locating connectors, controls and components 25

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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.
1. Touch Control Board Connector
14. Power Connector
2. SATA Power Connector
15. Speaker Connector
3. LVDS Connector
16. LED Board Connector
4. SATA Connector
17. Card Reader
5. SATA Connector
18. USB Connector
6. PSU P1 Connector
19. Audio Connector
7. Converter Connector
20. Memory Connectors
8. HWTV Module Connector
21. CPU Socket
9. B-CAS Connector
22. PSU P2 Connector
10. Mini PCI Connector
23. Fan Connector
11. Bluetooth Connector
24. Touch Function Board Connector
12. Rear I/O Connector
25. Webcam Connector
13. BIOS Battery
Chapter 7
.
Locating connectors, controls and components
25