Dell E521 specifications Technical Overview, Inside View of Your Computer, System Board Components

Page 60

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Technical Overview

Dell™ Dimension™ E521 Service Manual

Inside View of Your Computer

System Board Components

Power Supply DC Connector Pin Assignments

Inside View of Your Computer

1

floppy drive or Media Card Reader

2

CD or DVD drive

3

power supply

 

 

 

 

 

 

 

 

4

system board

5

hard drive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System Board Components

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Page 59 Page 61
Contents Model Dcsm About Your Computer Front View of the ComputerBack Panel Connectors Back View of the ComputerBack to Contents Advanced Troubleshooting Power LightsDiagnostic Lights Light Pattern Problem Description Suggested ResolutionBeep Codes System MessagesCode Cause Click the Change or Remove Program icon Diskette read failureDell Diagnostics Starting the Dell DiagnosticsDell Diagnostics Main Menu What Is a Driver?Drivers Identifying DriversReinstalling Drivers Using Windows XP Device Driver RollbackManually Reinstalling Drivers Windows XPResolving Software and Hardware Incompatibilities Click Start, then click Help and SupportBefore You Begin Getting StartedRecommended Tools Turning Off Your ComputerBack to Contents Removing and Installing Parts Removing the Computer CoverMemory Installation Guidelines MemoryAddressing Memory With 4-GB Configurations Installing MemoryCards Removing MemoryInstalling a PCI Card PCI CardsPage Removing a PCI Card Installing a PCI Express Card PCI Express CardsPage Removing a PCI Express Card Drive Panel Removing the Drive PanelInstalling the Drive-Panel Insert Installing the Drive PanelRemoving the Drive-Panel Insert Connecting Drive Cables DrivesDrive Interface Connectors Connecting and Disconnecting Drive CablesHard Drive Installing a Hard Drive Removing a Hard DrivePage Floppy Drive Adding a Second Hard DriveRemoving a Floppy Drive Installing a Floppy Drive Media Card Reader Removing a Media Card ReaderInstalling a Media Card Reader CD/DVD Drive Removing a CD/DVD DriveInstalling a CD/DVD Drive Page Battery Power SupplyReplacing the Battery Replacing the Power Supply Processor Removing the ProcessorInstalling the Processor Page Panel Removing the I/O PanelInstalling the I/O Panel Processor FanRemoving the Processor Fan Installing the Processor Fan System Board Removing the System BoardSystem Board Screws Installing the Computer Cover Installing the System BoardBack to Contents September 2006 Rev. A00 Specifications Connectors DrivesControls and Lights Power PhysicalEnvironmental System Setup Entering System SetupSystem Setup Screen OverviewSystem Setup Options Onboard DevicesBypass is Not SetUnlocked Boot Sequence Option SettingsChanging Boot Sequence for the Current Boot Setup & Boot MenuClearing Forgotten Passwords Changing Boot Sequence for Future BootsClearing Cmos Settings Flashing the BiosClick Save this program to disk, and then click OK Technical Overview Inside View of Your ComputerSystem Board Components Power Supply DC Connector Pin Assignments Pin Number Signal name AWG WireDC Power Connector P2 DC Power Connector P10
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