Lenovo 3000 C305 All-In-One - Manual (Page 31)

Chapter 7. Replacing hardware
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Identifying parts on the system board
The system board (sometimes called the planar or motherboard) is the
main circuit board in your computer. It provides basic computer functions
and supports a variety of devices that are factory-installed or that you can
install later.
The following illustration shows the locations of parts on the system
board.
Front view of the system board
1
2
3
4
5
6
7
8
9
1 LCD panel power cable connector
2 System fan cable connector
3 Camera cable connector
4 Inverter board cable connector
5 HDD fan cable connector
6 WLAN card connector
7 Power board connector
8 TV tuner module connector
9 Speakers cable connector