Lenovo THINKCENTRE 6019 - Manual (Page 123)

System board connectors
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.
The following illustration shows the locations of parts on the system board.
1 Battery 11 Memory connector 1
2 SATA connector 12 Memory connector 2
3 Optical drive connector 13 Microprocessor fan connector
4 PCI riser connector 14 Clear CMOS/Recovery jumper
5 Front panel connector 15 Temperature sensor connector
6 12v power connector 16 Rear fan connector
7 Power connector 17 KB and MS connector
8 System fan connector 18 Cover presence switch connector
9 Microprocessor 19 USB connector
10 Internal speaker connector
Chapter 9. Replacing FRUs - Ultra SFF Desktop computers 117