DC Power Connector P2 | Dell 720H2C guide

23

24

+5 VDC	Red	+5 VDC	Red
COM	Black	COM	Black

DC Power Connector P2

		1-KW Power Supply			750-KW Power Supply

Pin Number	Signal name		18-AWG Wire Color	Signal name		18-AWG Wire Color

1	+12 VC DC		Blue/White	+12 VC DC		Blue/White

2	+12 VC DC		Blue/White	+12 VC DC		Blue/White

3	COM		Black	COM		Black

4	COM		Black	COM		Black
5	+12	VA DC/SE	Yellow	+12	VA DC/SE	Yellow

6	+12	VA DC	Yellow	+12	VA DC	Yellow

7	COM		Black	COM		Black

8	COM		Black	COM		Black

9	+12	VB DC/SE	White	+12	VB DC/SE	White

10	+12	VB DC	White	+12	VB DC	White

11	+12 VC DC/SE		Blue/White	+12 VC DC/SE		Blue/White

12	COM		Black	COM		Black
13	COM		Black	COM		Black

14	COM		Black	COM		Black

15	+12	VA DC	Yellow	+12	VA DC	Yellow

16	COM		Black	COM		Black

17	COM		Black	COM		Black

18	COM		Black	COM		Black

19	+12	VB DC	White	+12	VB DC	White

20	NC		N/A	NC		N/A

DC Power Connector P3 (Graphics Card)

		1-KW Power Supply		750-KW Power Supply

Pin Number	Signal name		18-AWG Wire Color	Signal name	18-AWG Wire Color

1	+12	VE DC/SE	Blue/Yellow	+12 VB DC	White
2	+12	VE DC	Blue/Yellow	+12 VB DC	White

3	+12	VE DC	Blue/Yellow	+12 VB DC	White

4	COM		Black	COM	Black

5	COM		Black	COM	Black

6	COM		Black	COM	Black

Image 69

Dell 720H2C appendix DC Power Connector P2, DC Power Connector P3 Graphics Card

Contents

Back to Contents Specifications Controls and Lights Connectors Environmental Physical Entering System Setup System SetupSystem Setup Options System Setup Screens System DrivesOnboard Devices Performance LED Control Security Power Management Maintenance Off Do not use the Auto Power TimeTime Post Behavior Option Settings Boot SequenceChanging Boot Sequence for the Current Boot Setup & Boot Menu default Clearing Forgotten Passwords Changing Boot Sequence for Future Boots¡ In Windows XP, click Start→ Turn Off Computer→ Turn off Clearing Cmos Settings Cleaning Your ComputerComputer, Keyboard, and Monitor Mouse FCC Notices U.S. OnlyFloppy Drive CDs and DVDs Contacting Dell Class BFCC Identification Information Aruba Argentina Buenos AiresAustralia Sydney Technical Support 0011 Canada North York, Ontario BruneiCayman Islands Chile Santiago Denmark Copenhagen Czech Republic PragueDominica Dominican Republic Greece Germany FrankfurtGrenada Guatemala Sales Customer ServiceBusiness computers Sales Ireland Cherrywood Latin America Korea SeoulLuxembourg Support.ap.dell.com Nicaragua New Zealand Support.ap.dell.comNorway Lysaker Panama Slovakia Prague Singapore SingaporeSouth Africa Johannesburg 09/091 Taiwan Customer Service BracknellThailand Trinidad/Tobago A. Austin, Texas Financial ServicesVirgin Islands Venezuela Support.dell.com Find It Here Click Help and Support ¡ In Windows XP, click Start and click Help and Support Glossary Docking device See APR Device driver See driverPage Page NIC See network adapter Module bay See media bayPage Video resolution See resolution Back to Contents Recommended Tools Before You BeginPreparing to Work Inside Your Computer Windows XP, click Start→ Turn Off Computer→ Turn off Inside View of Your Computer Removing the Computer Cover Frntusb System Board Components DDR2 Memory Overview Memory Installing Memory Addressing Memory Configurations Removing Memory Cards Removing PCI and PCI Express Cards Installing PCI and PCI Express Cards Page Page Page Page Drives Network Adapter and Sound Card Settings Hard Drive General Drive Installation GuidelinesAbout Serial ATA Drives Removing a Hard DrivePage Installing a Hard Drive Removing the Drive Panel Drive Panel Floppy Drive Replacing the Drive PanelRemoving a Floppy Drive Installing a Floppy Drive Removing a Media Card Reader Media Card Reader Installing a Media Card Reader Optical Drive Removing an Optical Drive Installing an Optical Drive Liquid Cooling Assembly Safety Instructions for Liquid Cooling AssemblyRemoving the Liquid Cooling Assembly Tecpump Installing the Liquid Cooling Assembly ProcessorRemoving the Processor Installing the Processor Removing the Card Fan Fans Installing the Card Fan System Board Installing the Optional Hard Drive FanRemoving the Optional Hard Drive Fan Removing the System Board Installing the System Board Power Supply PSU DC Connector Pin Assignments Power Supply KW Power Supply Pin Number Signal name AWG Wire Color DC Power Connector P1 DC Power Connector P3 Graphics Card DC Power Connector P2 DC Power Connector P5 FD1 DC Power Connector P4 Graphics CardDC Power Connector P6 and P7 BAY1 and Bay2 DC Power Connectors P8 and P9 HDD0 and HDD1 DC Power Connectors P10-P13 HDD2 and HDD5 DC Power Connectors P14 PeripheralDC Power Connector P15 Graphics Card 1-KW PSU Only Removing the Power Supply DC Power Connector P16 Graphics Card 1-KW PSU OnlyPin Number Signal Name AWG Wire Color Installing the Power Supply Front I/O Panel Front I/O-Panel ComponentsRemoving the Front I/O Panel Installing the I/O Panel Battery Replacing the BatteryRemoving the Computer Stand Replacing the Computer Cover Back to Contents Understanding CPU Overclocking Understanding Dual-Graphics Technology Dell QuickSet Front View Front and Back View of the Computer To ensure maximum system stability. Failure to install Front I/O ConnectorsBack View Resulting in bodily injury or damage to the computer Back I/O Connectors RCA S/PDIF Attaching the Computer Stand Installing Your Computer in an Enclosure Connecting Monitors Connecting a Monitor With an Adapter Connecting a Monitor Without an Adapter Connecting a Monitor in a Dual Graphics Card Configuration Connecting a TV Connecting Two or More Monitors RAID Level 0 Configuration About Your RAID Configuration RAID Level 1 Configuration RAID Level 0+1 ConfigurationRAID Level 5 Configuration Configuring Your Hard Drives for RAID Setting Your Computer to RAID-Enabled ModeUsing the Nvidia MediaShield ROM Utility Using Nvidia MediaShield Creating a RAID ArrayClick Create under System Tasks Deleting a RAID Array Free Disk Selection window appearsClearing System Data window appears Rebuilding a RAID Configuration Using Multimedia Copying CD, DVD, and Blu-ray Disc BD Media How to Copy a CD, DVD, or BD Using Blank CD, DVD, and BD Media Helpful TipsMedia Type Read Write Rewritable MMC/RS-MMC Using a Media Card Reader Optional Network Setup Wizard Click Checklist for creating a networkTransferring Information to a New Computer Power Management Options in Windows XP Standby ModeHibernate Mode Power Schemes Tab Power Options PropertiesAdvanced Tab Hibernate Tab Power Management Options in Windows Vista Sleep ModeConfiguring Power Management Settings Battery Problems Solving ProblemsDrive Problems Click Start and click My Computer Optical drive problems Mail, Modem, and Internet ProblemsProblems writing to an optical drive Hard drive problems Click Start → All Programs→ Modem Diagnostic Tool Error MessagesClick Uninstall Click Start→ All Programs→ Modem Helper Keyboard Problems Ieee 1394 Device Problems Lockups and Software Problems Mouse Problems Memory ProblemsOther software problems Solid blue screen appears Power Problems Network ProblemsClick Start→ Control Panel→ Mouse Click Start → Control Panel→ Hardware and Sound→ Mouse Scanner Problems Printer ProblemsClick Start → Control Panel→ Hardware and Sound→ Printer Click Properties and click Ports Sound and Speaker Problems No sound from headphonesNo sound from speakers Screen is blank Screen is difficult to read Video and Monitor Problems3D image quality is poor Click Start→ Control Panel→ Appearance and Themes Power Lights Diagnostic LightsProblem Description Suggested Resolution Code Cause Beep Codes Message Possible Cause Corrective Action System Messages Dell Diagnostics When to Use Dell DiagnosticsStarting Dell Diagnostics From Your Hard Drive Dell Diagnostics Main Menu Option FunctionTab Function Drivers What Is a Driver?Identifying Drivers Click Start → Computer.→ System Properties→ Device Manager Manually Reinstalling Drivers Using the Drivers and Utilities Media Using Microsoft Windows System Restore Starting System RestoreRestoring Your Operating System Undoing the Last System Restore Using Dell PC Restore and Dell Factory Image RestoreEnabling System Restore Windows XP Dell PC Restore Select Repair Your Computer Windows Vista Dell Factory Image Restore Reinstalling Windows XP or Windows Vista Using the Operating System MediaClick Dell Factory Image Restore Before you Begin Click Start and click Help and Support Troubleshooting Software and Hardware Problems