Lenovo IdeaCentre B540p User Manual
Page 31

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. 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
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Locating connectors, controls and components
25