34 User Guide
The system board (also known as the “mainboard” 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 illustrations show the locations of the different parts on the system
board.
Lenovo K430
1 2 3 4
5
89
6
7
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12V power connector Microprocessor and heat sink
Microprocessor fan header Memory slots (4)
Power connector Front USB header
PCI express X 16 adapter slots (2) Power fan header