Identifyingpartsonthemotherboard
Themotherboard(sometimescalledtheplanarorsystemboard)isthemaincircuitboardinyourcomputer.
Itprovidesbasiccomputingfunctionsandsupportsavarietyofdevicesthatarefactory-installedorthat
youcaninstalllater.Thefollowingillustrationshowsthelocationofconnectorsandcomponentsonthe
frontofthemotherboard.
1 2 3 4 5
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1.12Vpowerconnector11.Frontpanelconnector
2.Microprocessorandheatsink
12.ClearCMOSjumper
3.Microprocessorfanheader
13.FrontUSBconnectors(2)
4.Memoryslots(2)14.MiniPCI-Eslot
5.Thermalsensorheader15.Modeswitchconnector
6.Powerconnector
16.Serial(COM2)connector
7.Battery
17.PCIexpressX1adapterslots(3)
8.SATAconnectors(3)
18.Frontaudioconnector
9.eSATAconnector19.PCIexpressX16adapterslot
10.Powerfanheader
20.Systemfanheader
Chapter7.Locatingconnectors,controlsandcomponents25
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