Lenovo 3109, 4743 K430 manual Identifying parts on the system board, PCI express X 16 adapter slots

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4.1.2 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 K430

 

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17

 

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12V power connector

 

 

 

 

 

 

 

 

 

Microprocessor and heat sink

 

 

 

 

 

 

 

 

 

Microprocessor fan header

 

 

 

 

 

 

Memory slots (4)

 

 

 

 

 

 

 

 

 

 

Power connector

 

 

 

 

 

 

 

 

 

Front USB header

 

 

PCI express X 16 adapter slots (2)

 

 

 

Power fan header

 

 

34User Guide

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Contents IdeaCentre K4 Series Important Safety Information Page Contents Hardware Replacement Guide This chapter contains the following topics Chapter Using the Computer HardwareFront view of the chassis Rear view of the chassis User Guide User Guide Basic connector instructions Connecting your computerLine-in connector on a stereo system or other Sound configuration is as follows 7.1 Audio configuration instructionsConfigurations are as followings 5.1 Audio configuration instructionsDVI-HDMI Hot-swappable hard disk selected models only Wired keyboard selected models onlyUser Guide User Guide Power Control Switch selected models only User Guide Auto Turbo User Guide Chapter Using the Rescue System Driver and Application Installation OneKey RecoveryNetwork Settings System SetupMethod 1 Automatic Installation Method 2 Manual InstallationPassword Management System BackupSystem Recovery Create Recovery DiscTroubleshooting and Chapter Confirming Setup Troubleshooting Display Problems Solving ProblemsTroubleshooting Software Problems Troubleshooting Audio ProblemsTroubleshooting Problems with Optical Drives and Hard Disks Special considerations for troubleshooting Windows Performing Daily Maintenance Tasks Chapter Hardware Replacement Guide Overview Safety information for replacing CRUsTools required Additional information resourcesHandling static-sensitive devices Identifying internal components LocationsPCI express X 16 adapter slots Identifying parts on the system boardMicroprocessor fan header 12V power connector Battery Microprocessor and heat sink Pre-disassembly instructions Replacing hardwareGeneral information To remove the computer cover Removing the computer coverTo remove the front bezel Removing the front bezelTo replace a memory module Replacing a memory moduleTo replace a hard disk drive Replacing a hard disk driveTo replace an optical drive Replacing an optical driveTo replace a graphics card Replacing a graphics cardUser Guide User Guide To replace the TV-Tuner card Replacing the TV-Tuner cardUser Guide To replace the keyboard Replacing the keyboard and mouseDeclaration AppendixTrademarks Energy Star StatementUser Guide User Guide
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