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Identifying Parts On The System Board - Lenovo 30221CU - H230 CORE2DUO 500GB Desktop Hardware Replacement Manual

Lenovo 3000 h series hardware replacement guide v2.0.
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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

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