Identifying Parts On The System Board - Lenovo H330 Hardware Replacement Manual

Audio line-in connector
PCI Express x1 adapter connector
PCI Express x16 graphics adpter connector

Identifying parts on the system board

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 that are factory-installed or that you can install later.
The following illustrations show the locations of parts on the system board.
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Rear audio connectors
Ethernet and USB connectors
USB connectors
HDMI port
On-board VGA connector
PS/2 mouse and keyboard connectors
PCI Express x 1 adapter connector
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Hardware Replacement Guide
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