Dell E521 specifications

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6.If you are replacing a card that is already installed in the computer, remove the card.

Disconnect any cables connected to the card. Gently pull the securing tab, grasp the card by its top corners, and then ease it out of its connector.

1

PCI Express x16 card

2

securing tab

3

PCI Express x1 card

 

 

 

 

 

 

4

PCI Express x1 card slot

5

PCI Express x16 card slot

 

 

 

 

 

 

 

 

7.Prepare the card for installation.

See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your computer.

CAUTION: Some network adapters automatically start the computer when they are connected to a network. To guard against electrical shock, be sure to unplug your computer from its electrical outlet before installing any cards.

8.If you are installing the card into the PCI Express x16 card connector, position the card so the securing slot is aligned with the securing tab, and gently pull the securing tab.

9.Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot.

1

alignment bar

2

fully seated card

3

not fully seated card

4

alignment guide

5

bracket within slot

6

bracket caught outside of slot

 

 

 

 

 

 

10. Ensure that:

The tops of all cards and filler brackets are flush with the alignment bar.

The notch in the top of the card or filler bracket fits around the alignment guide.

11.If previously removed, snap the card retention mechanism into place, securing the x16 PCI card.

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Contents Model Dcsm About Your Computer Front View of the ComputerBack Panel Connectors Back View of the ComputerBack to Contents Diagnostic Lights Advanced TroubleshootingPower Lights Light Pattern Problem Description Suggested ResolutionSystem Messages Beep CodesCode Cause Click the Change or Remove Program icon Diskette read failureDell Diagnostics Starting the Dell DiagnosticsDrivers Dell Diagnostics Main MenuWhat Is a Driver? Identifying DriversManually Reinstalling Drivers Reinstalling DriversUsing Windows XP Device Driver Rollback Windows XPResolving Software and Hardware Incompatibilities Click Start, then click Help and SupportRecommended Tools Before You BeginGetting Started 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 Installing the Drive-Panel InsertRemoving the Drive-Panel Insert Connecting Drive Cables DrivesConnecting and Disconnecting Drive Cables Drive Interface ConnectorsHard 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 Power Supply BatteryReplacing the Battery Replacing the Power Supply Processor Removing the ProcessorInstalling the Processor Page Panel Removing the I/O PanelProcessor Fan Installing the I/O PanelRemoving the Processor Fan Installing the Processor Fan Removing the System Board System BoardSystem Board Screws Installing the Computer Cover Installing the System BoardBack to Contents September 2006 Rev. A00 Specifications Drives ConnectorsControls and Lights Physical PowerEnvironmental System Setup Screen System SetupEntering System Setup OverviewSystem Setup Options Onboard DevicesNot Set Bypass isUnlocked Changing Boot Sequence for the Current Boot Boot SequenceOption Settings 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 Inside View of Your Computer Technical OverviewSystem Board Components Power Supply DC Connector Pin Assignments Pin Number Signal name AWG WireDC Power Connector P2 DC Power Connector P10