Lenovo IdeaCentre Q190 Hardware Maintenance Manual page 30

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.
1. Hard disk drive SATA connector
2. Microphone connector
3. Line out connector
4. RTC battery connector
5. USB ports (2)
6. Card reader
7. Memory slot
8. Power button
9. System fan power connector
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IdeaCentre Q190Hardware Maintenance Manual
10. RTC battery
11. Mini PCIE connector
12. SPDIF port
13. VGA connector
14. USB ports (2)
15. HDMI-out port
16. Ethernet connector
17. Power connector