Dell E521 specifications DC Power Connector P2

Page 62

7

GND

Black

8

PS_PWRGOOD

Gray

 

 

 

9

P5AUX

Purple

 

 

 

10

V_12P0_DIG

White

 

 

 

11

V_12P0_DIG

White

 

 

 

12

+3.3 VDC

Orange

 

 

 

13

+3.3VDC/SE*

Orange

14

-12 VDC

Blue

 

 

 

15

GND

Black

 

 

 

16

PWR_PS_ON

Green

 

 

 

17

GND

Black

 

 

 

18

GND

Black

 

 

 

19

GND

Black

 

 

 

20

NC

NC

 

 

 

21

+5 VDC

Red

22

+5 VDC

Red

 

 

 

23

+5 VDC

Red

 

 

 

24

GND

Black

 

 

 

 

 

 

DC Power Connector P2

Pin Number

Signal Name

18-AWG Wire

 

 

 

1

GND

Black

 

 

 

2

GND

Black

 

 

 

3

+12 VADC

Yellow

 

 

 

4

+12 VADC

Yellow

 

 

 

DC Power Connectors P3, P5, P8, and P9

Pin Number

Signal name

18-AWG Wire

 

 

 

1

+3.3 VDC

Orange

 

 

 

2

GND

Black

 

 

 

3

+5 VDC

Red

 

 

 

4

GND

Black

 

 

 

5

+12 VBDC

White

DC Power Connector P7

Image 62
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 ResolutionCode Cause Beep CodesSystem Messages 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 PanelRemoving the Drive-Panel Insert Installing the Drive-Panel InsertInstalling the Drive Panel Connecting Drive Cables DrivesHard Drive Drive Interface ConnectorsConnecting and Disconnecting Drive Cables 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 Replacing the Battery BatteryPower Supply Replacing the Power Supply Processor Removing the ProcessorInstalling the Processor Page Panel Removing the I/O PanelRemoving the Processor Fan Installing the I/O PanelProcessor Fan Installing the Processor Fan System Board Screws System BoardRemoving the System Board Installing the Computer Cover Installing the System BoardBack to Contents September 2006 Rev. A00 Specifications Controls and Lights ConnectorsDrives Environmental PowerPhysical System Setup Screen System SetupEntering System Setup OverviewSystem Setup Options Onboard DevicesUnlocked Bypass isNot Set 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 System Board Components Technical OverviewInside View of Your Computer Power Supply DC Connector Pin Assignments Pin Number Signal name AWG WireDC Power Connector P2 DC Power Connector P10