Dell PowerEdge T20Owner's ManualRegulatory Model: D13MRegulatory Type: D13M001
Indicator Indicator CodeNetwork activity light on integrated network adapterYellow light — A blinking yellow light indicates that network activity is
• Red Hat Enterprise Linux 6.5 and laterNOTE: For latest information on supported operating systems, see dell.com/ossupport.Other Information You May
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2Using The System Setup And Boot ManagerSystem Setup enables you to manage your system hardware and specify BIOS-level options.The following keystroke
Entering System Setup1. Turn on or restart your system.2. Press <F2>.If your operating system begins to load before you press <F2>, allow
13. Click Run to install the updated BIOS settings on your system.Follow the instructions on the screen.Responding To Error MessagesIf an error messag
Table 2. System ConfigurationOption DescriptionIntegrated NIC Allows you to enable or disable the integrated network card. You can set the integrated
Option Description• Enable Front USB 2.0 Ports• Enable USB 3.0 Ports• Enable Rear–Left Dual USB 2.0 Ports• Enable Rear–Right Dual USB 2.0 Ports (this
Option Description• System Password MaxPassword Bypass Allows you to bypass the System Password and the internal HDD password prompts during a system
Option Description• Enable processor XD Support — This option is enabled by default.OROM Keyboard Access Allows you to determine if you access the Opt
Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates
Table 5. PerformanceOption DescriptionMulti Core Support Specifies whether the processor will have one or all cores enabled. The performance of some a
Option DescriptionNOTE: This feature does not work if you turn off your system using the switch on a power strip or surge protector or if Auto Power i
Table 8. Virtualization SupportOption DescriptionVirtualization This option specifies whether a Virtual Machine Monitor (VMM) can utilize the addition
Option Description1. Download the BIOS file from dell.com/support. For more information, see Updating The BIOS.2. Save the BIOS file on a USB drive (F
Assigning A System Password And Admin PasswordYou can assign a new System Password and/or Admin Password or change an existing System Password and/or
NOTE: Intel AMT is supported only on Intel Xeon processor-based systems.It provides the following features:• Allows you to discover devices even while
3Installing System ComponentsRecommended ToolsYou may need the following items to perform the procedures in this section:• #1 and #2 Phillips screwdri
Figure 5. Opening and Closing the System1. slots2. tabs3. system cover4. cover release latchClosing The System1. Ensure that all internal cables are c
Figure 6. Removing and Installing the Bezel1. retention clips (4)2. bezelInstalling The Bezel1. Insert the bezel tabs into the bezel tab slots in the
Contents1 About Your System...7Fron
Removing The Chassis-Intrusion SwitchCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting
3. Open the system.4. Insert the chassis-intrusion switch into the chassis-intrusion switch slot and slide it to secure it.5. Connect the chassis-intr
Thermal SensorRemoving The Thermal SensorCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshoo
3. Open the system.4. Align the tabs with the thermal-sensor slot on the chassis and secure the thermal sensor to the chassis.5. Route the thermal-sen
1. power switch2. screwInstalling The Power SwitchCAUTION: Many repairs may only be done by a certified service technician. You should only perform tr
Figure 11. Removing and Installing the I/O Panel1. I/O panel2. screwInstalling The Input/Output PanelCAUTION: Many repairs may only be done by a certi
Hard DrivesCAUTION: Do not turn off or reboot your system while the hard drive is being formatted. Doing so can cause a hard drive failure.NOTE: Use o
1. hard-drive cage2. hard-drive cage latchInstalling The Hard-Drive CageCAUTION: Many repairs may only be done by a certified service technician. You
Figure 13. Removing and Installing a 3.5 Inch Hard Drive From The Hard-Drive Cage1. hard-drive cage2. hard drive3. retention clips (2)Installing A 3.5
11. Exit the System Setup program and reboot the system.12. Install any software required for the hard drive operation as described in the documentati
Power Switch...
4. hard-drive screws (4)7. Turn the hard-drive cage.8. Remove the screws on the sides of the hard-drive cage securing the hard drive to the hard-drive
NOTE: If you have a 3.5 inch hard drive seated in the hard-drive cage:a. Remove the power and data cables from the hard drive.b. Remove the hard drive
Figure 16. Removing and Installing a 3.5 Inch Hard Drive from the Hard-Drive Bay1. hard drive2. hard-drive power cable3. SATA cable4. retention clips
10. Reboot the system and press <F2> to enter the System Setup and ensure that the hard drive controller is enabled.11. Exit the System Setup pr
NOTE: The screws used to secure the optical drive to the optical drive/hard-drive slot are available on the front of the hard-drive cage.1. Turn off t
Figure 19. Removing the Optical-Drive Filler1. optical-drive/hard-drive slot2. tabs (4)3. optical-drive filler4. hard-drive screws (8)5. optical-drive
NOTE: Use the vertical type SATA cables to connect hard drives in the hard-drive cage to avoid damaging the connector pins. This is applicable for the
• DIMM operating voltage• Maximum supported DIMM frequency of the processorThe system contains four memory sockets organized into two channels. In eac
• Populate all sockets with white release tabs first, and then black.• Populate the sockets by highest rank count in the following order — first in so
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in
Installing The System Board...
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in
CAUTION: Do not operate the system with the cover removed for a duration exceeding 5 minutes.1. Turn off the system, including any attached peripheral
CAUTION: Do not operate the system with the cover removed for a duration exceeding 5 minutes.1. Turn off the system, including any attached peripheral
3. Open the system.4. Disconnect all the cables from the expansion card.5. Holding the card by its edge, pull the card to disengage from the connector
5. Press and push out the expansion card release latch to open it.Remove the filler bracket, if you are installing a new expansion card.NOTE: Keep the
Figure 25. Removing and Installing the Heat-Sink Assembly1. processor fan2. captive screws (4)3. processor fan cable4. heat sink5. screw sockets (4)CA
Figure 26. Removing and Installing the Processor1. processor shield retention screw2. processor3. ZIF socket4. processor5. notch 6. socket keys (2)7.
CAUTION: Positioning the processor incorrectly can permanently damage the system board or the processor. Be careful not to bend the pins in the socket
7. Press the release tab beside the power supply unit, and slide the power supply unit towards the front of the system.8. Lift the power supply unit o
10. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.System BatteryReplacing The System Batter
9 Getting Help...85Contac
10. Reconnect the system to the electrical outlet and turn the system on, including any attached peripherals.11. Press <F2> to enter the System
Figure 29. Removing the System Board1. screws (8)2. system boardInstalling The System BoardCAUTION: Many repairs may only be done by a certified servi
For more installation information, see Installing System Components.8. Reconnect all cables to the system board.9. Close the system.10. Place the syst
4Troubleshooting Your SystemSafety First—For You And Your SystemCAUTION: Many repairs may only be done by a certified service technician. You should o
Amber LED State Description3,3 no memory modules are detected3,4 possible system board error3,5 memory modules are detected, but a memory configuratio
6. If the problem is not resolved, proceed to the next step to begin troubleshooting the other USB devices attached to the system.7. Power down all at
Troubleshooting A Wet SystemCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simp
Troubleshooting The System BatteryCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting an
• A cooling fan is removed or has failed.• The expansion card installation guidelines have not been followed.Troubleshooting The System FanCAUTION: Ma
14. Close the system.15. As the system boots, observe any error message that is displayed and the diagnostic indicators on the front of the system.16.
1About Your SystemFront-Panel Features And IndicatorsFigure 1. Front-Panel Features and IndicatorsItem Indicator, Button, or ConnectorIcon Description
Troubleshooting Expansion CardsCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and s
5Using System DiagnosticsIf you experience a problem with your system, run the system diagnostics before contacting Dell for technical assistance. The
Menu DescriptionSystem Health Provides the current overview of the system performance.Event Log Displays a time-stamped log of the results of all test
6Jumpers And ConnectorsSystem Board Jumper SettingsFor information on resetting the password jumper to disable a password, see System Board Jumper Set
Item Connector Description1 FRONTPANEL Front IO connector2 PSWD Password jumper3 INT_USB Internal USB connector4 RTCRST RTCRST jumper5 INT_SPKR Intern
NOTE: If you assign a new system and/or admin password with the PSWD jumper installed, the system disables the new password(s) the next time it boots.
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7Technical SpecificationsProcessorProcessor type• One Intel Xeon processor E3-1225v3, or• One Intel Pentium processor G3220Expansion BusBus type PCI E
DrivesUp to four 3.5 inch internal, cabled SATA, or SATA SSD drives and one optical disk drive (optional).Two 3.5 inch and two 2.5 inch (optional), in
Operating 20% to 80% (non-condensing)Storage 5% to 95% (non-condensing)Maximum VibrationOperating 0.26 GrmsStorage 2.20 GrmsMaximum ShockOperating 40
Item Indicator, Button, or ConnectorIcon Description5 USB connectors (2) Allow you to connect USB devices to the system. The ports are USB 3.0 complia
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8System MessagesError MessagesError Message DescriptionAddress mark not foundThe BIOS found a faulty disk sector or could not find a particular disk s
Error Message DescriptionDiskette subsystem reset failedThe floppy drive controller may be faulty.Gate A20 failure One or more memory modules may be f
Error Message DescriptionMemory write/read failure at address, read value expecting valueA memory module may be faulty or improperly seated. Reinstall
Error Message DescriptionWARNING: Dell's Disk Monitoring System has detected that drive [0/1] on the [primary/secondary] EIDE controller is opera
9Getting HelpContacting DellNOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing
Item Indicator, Button, or ConnectorIcon Description7 USB connectors (2) Allow you to connect USB devices to the system. The ports are USB 3.0 complia
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