Lenovo 10090/2556/4748 [K415] manual Identifying parts on the system board, Lenovo K450

Identifying parts on the system board

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 K450

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12V power connector	Microprocessor and heat sink
Microprocessor fan header	Memory slots (4)
Thermal sensor header	Mini PCI-E slot
Power connector	Front USB slot

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