Lenovo H230 Lenovo 3000 H Series Hardware Replacement Guide V2.0 - Page 9

On-board VGA connector ( Some models are equipped with this connector ) USB connectors Ethernet connector Microphone connector Audio line-out connector Audio line-in connector PCI Express x16 graphics adapter connector (Some models are equipped with this connector. For more information about the graphics adapter, see the description below). WiFi antenna connector (This connector only equipped on the model with WiFi card. For more information about this connector, see WM600-B-LO Wireless 802. 11b/g Wireless PCI-E Adapter Card User Manual.) 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 (Only one of below system board was preinstalled on your computer.).  Hardware Replacement Guide 31039394_3000 H_HRG_EN_V2.0.indd6 6 2009.7.14 4:15:34 PM