Lenovo H415 Desktop - Manual (Page 37)

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User Guide
Identifying parts on the system board
The system board (sometimes called the 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 parts on the system board.
Lenovo H430
Microprocessor and heat sink
Microprocessor fan connector
Memory connectors (2)
Thermal sensor header connector
Power connector
SATA connectors (4)
Power supply fan connector
Front panel connector