Lenovo H520S manual Identifying parts on the motherboard

Page 31

Identifying parts on the motherboard

The motherboard (sometimes called the planar or system board) is the main circuit board in your computer. It provides basic computing functions and supports a variety of devices that are factory-installed or that you can install later. The following illustration shows the location of connectors and components on the front of the motherboard.

1.

12V power connector

11.

Front panel connector

 

 

 

 

2.

Microprocessor and heat sink

12.

Clear CMOS jumper

 

 

 

 

3.

Microprocessor fan header

13.

Front USB connectors (2)

 

 

 

 

4.

Memory slots (2)

14.

Mini PCI-E slot

 

 

 

 

5.

Thermal sensor header

15.

Mode switch connector

 

 

 

 

6.

Power connector

16.

Serial (COM2) connector

 

 

 

 

7.

Battery

17.

PCI express X 1 adapter slots (3)

 

 

 

 

8.

SATA connectors (3)

18.

Front audio connector

 

 

 

 

9.

eSATA connector

19.

PCI express X 16 adapter slot

 

 

 

10. Power fan header

20.

System fan header

 

 

 

 

Chapter 7. Locating connectors, controls and components 25

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Contents
Lenovo H520s Hardware Maintenance Manual Page Lenovo H520s Hardware Maintenance Manual Page Contents Iv Lenovo H520sHardware Maintenance Manual About this manual Important Safety InformationLenovo H520sHardware Maintenance Manual General safety Safety informationElectrical safety Lenovo H520sHardware Maintenance Manual Handling electrostatic discharge-sensitive devices Safety inspection guideGrounding requirements Safety noticesTo Connect To Disconnect Do not≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs Environment SpecificationsGeneral information Type Lenovo H520sLenovo H520sHardware Maintenance Manual General Checkout Lenovo H520sHardware Maintenance Manual Using passwords Using the Setup UtilityStarting the Lenovo Bios Setup Utility program Viewing and changing settingsSetting, changing, or deleting an Administrator password Administrator PasswordSetting, changing, or deleting a Power-On Password Select Save changes and Exit from the menu Enabling or disabling a deviceSelecting a temporary startup device Selecting a startup deviceSelecting or changing the startup device sequence Exiting the Lenovo Bios Setup Utility program Lenovo H520sHardware Maintenance Manual Error FRU/Action Symptom-to-FRU IndexHard disk drive boot error Power Supply ProblemsUndetermined problems Post error codesPost Error Message Description/Action Locating connectors, controls and components Font view Rear view Hardware components Identifying parts on the motherboard Lenovo H520sHardware Maintenance Manual Replacing hardware Pre-disassembly instructionsGeneral information To remove the computer cover Replacing the keyboard and mouseRemoving the computer cover To replace the keyboard and mouseRemoving the front bezel To remove the front bezel Replacing an optical driveTo replace an optical drive Replacing hardware To replace the hard disk drive Replacing the hard disk driveReplacing a memory module Replacing the Power supply Replacing the graphic card Lenovo H520sHardware Maintenance Manual Replacing the microprocessor fan Replacing the system fanReplacing the heat-sink Replacing the CPU Lenovo H520sHardware Maintenance Manual Replacing the Wi-Fi card Replacing the front USB/card reader/audio module Replacing the motherboard Lenovo H520sHardware Maintenance Manual Memory FRU listsProcessor Mother BoardMT16JTF51264AZ-1G4D1 4GB DDRIII1333RAMR Hard Drive HMT351U6CFR8C-PB 4GB D3-1600RAM-HFMechanical Power SupplyOptical Drive Graphic CardUSB 3.0 PCI-E Interface Card Wi-Fi PCI-E Interface CardRemote Controller TV TunnerKeyboard & Mouse Chassis Lenovo H520sHardware Maintenance Manual Automatic Power-On features Additional Service InformationPower management Advanced configuration and power interface Acpi Bios
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