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Dell PowerEdge T420 Systems Owner's Manual Regulatory Model: E20S Series Regulatory Type: E20S001.
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Contents 1 About Your System...................................................................................................................... 9 Front-Panel Features And Indicators—Tower Mode .....................................................
Entering The UEFI Boot Manager ........................................................................................................................... 36 Using The Boot Manager Navigation Keys ......................................................
Removing The Internal Hard-Drive Bay ........................................................................................................... 60 Installing The Internal Hard-Drive Bay ................................................................
Installing An Internal SD Card .......................................................................................................................... 95 Processors ...................................................................................
Safety First—For You And Your System ............................................................................................................... 126 Troubleshooting System Startup Failure .........................................................
Diagnostic Messages ........................................................................................................................................... 162 Alert Messages ........................................................................
1 About Your System Front-Panel Features And Indicators—Tower Mode Figure 1. Front-Panel Features and Indicators—2.5 Inch Hot-Swappable Hard-Drive Chassis 9.
Figure 2. Front-Panel Features and Indicators—3.5 Inch Hot-Swappable Hard-Drive Chassis Item Indicator, Button, or Connector Icon Description 1 Tape drive (optional) One optional 5.25 inch tape drive. NOTE: If your system is installed with a double-width GPU card, the system supports only one 5.
Item Indicator, Button, or Connector Icon Description 4 Power-on indicator, power button The power-on indicator lights when the system power is on. The power button controls the power supply output to the system.
Item Indicator, Button, or Connector Icon Description • Up to sixteen 2.5 inch hot-swappable hard drives Figure 3. Front-Panel Features and Indicators—3.5 Inch Cabled Hard-Drive Chassis NOTE: Cabled hard-drive systems are not rackable. Item Indicator, Button, or Connector Icon Description 1 Tape drive (optional) One optional 5.
Item Indicator, Button, or Connector Icon Description 3 Power-on indicator, power button The power-on indicator lights when the system power is on. The power button controls the power supply output to the system.
Front-Panel Features And Indicators—Rack Mode Figure 4. Front-Panel Features and Indicators NOTE: Only systems with hot-swappable hard drives are rackable. Item Indicator, Button, or Connector Icon Description 1 Power-on indicator, power button The power-on indicator lights when the system power is on.
Item Indicator, Button, or Connector Icon Description 4 LCD menu buttons Allow you to navigate the control panel LCD menu. 5 Information tag A slide-out label panel which allows you to record system information such as Service Tag, NIC, MAC address, and so on.
• The LCD backlight remains off if LCD messaging is turned off through the iDRAC utility, the LCD panel, or other tools. Figure 5. LCD Panel Features Item Button Description 1 Left Moves the cursor back in one-step increments. 2 Select Selects the menu item highlighted by the cursor.
Option Description Set home Select the default information to be displayed on the LCD Home screen. See View Menu to see the options and option items that can be set as the default on the Home screen. View Menu NOTE: When you select an option in the View menu, you must confirm the option before proceeding to the next action.
Hard-drive Indicator Condition Corrective Action The indicator lights green to indicate hard-drive activity. None required. Electrical Indicator Condition Corrective Action The indicator blinks amber if the system experiences an electrical error (for example, voltage out of range, or a failed power supply or voltage regulator).
PCIe Indicator Condition Corrective Action The indicator blinks amber if a PCIe card experiences an error. Restart the system. Update any required drivers for the PCIe card. Re-install the card. If the problem persists, see Getting Help . Hard-Drive Indicator Patterns Figure 6.
Drive-Status Indicator Pattern (RAID Only) Condition Blinks green three seconds, amber three seconds, and off six seconds Rebuild aborted Back-Panel Features And Indicators Figure 7.
Item Indicator, Button, or Connector Icon Description 1 Power supplies (PSU1 and PSU2) Redundant power supply Up to two 495 W, 750 W, or 1100 W redundant AC power supplies.
NIC Indicator Codes Figure 8. NIC Indicator 1. link indicator 2. activity indicator Indicator Indicator Code Link and activity indicators are off The NIC is not connected to the network. Link indicator is green The NIC is connected to a valid network at its maximum port speed (1 Gbps or 10 Gbps).
Power Indicator Pattern Condition Not lit Power is not connected. Green A valid power source is connected to the power supply and the power supply is operational. Flashing amber Indicates a problem with the power supply. CAUTION: When correcting a power supply mismatch, replace only the power supply with the flashing indicator.
Figure 10. Non-Redundant AC Power Supply Status Indicator and Self-Diagnostic Button 1. self-diagnostic button 2. AC power supply status indicator Other Information You May Need WARNING: See the safety and regulatory information that shipped with your system.
2 Using The System Setup And Boot Manager System Setup enables you to manage your system hardware and specify BIOS-level options. The following keystrokes provide access to system features during startup: Keystroke Description <F2> Enters the System Setup.
• BIOS boot mode (the default) is the standard BIOS-level boot interface. • UEFI boot mode is an enhanced 64-bit boot interface based on Unified Extensible Firmware Interface (UEFI) specifications that overlays the system BIOS. You must select the boot mode in the Boot Mode field of the Boot Settings screen of System Setup.
System Setup Options System Setup Main Screen NOTE: Press <Alt><F> to reset the BIOS or UEFI settings to their default settings. Menu Item Description System BIOS This option is used to view and configure BIOS settings. iDRAC Settings This option is used to view and configure iDRAC settings.
Menu Item Description System BIOS Version Displays the BIOS version installed on the system. System Service Tag Displays the system Service Tag. System Manufacturer Displays the name of system manufacturer. System Manufacturer Contact Information Displays the contact information of the system manufacturer.
Menu Item Description NOTE: The QPI speed option displays only when both the processors are installed. Alternate RTID (Requestor Transaction ID) Setting Allows you to allocate more RTIDs to the remote socket increasing cache performance between the sockets or work in normal mode for NUMA.
SATA Settings Screen Menu Item Description Embedded SATA Allows the embedded SATA to be set to Off , ATA , AHCI , or RAID modes. By default, the Embedded SATA option is set to AHCI . Port A Auto enables BIOS support for the device attached to SATA port A.
Integrated Devices Screen Menu Item Description User Accessible USB Ports Allows you enable or disable the user accessible USB ports. Selecting Only Back Ports On disables the front USB ports and selecting All Ports Off disables both front and back USB ports.
Menu Item Description Serial Port Address Allows you to set the port address for serial devices. By default, the Serial Port Address option is set to Serial Device 1=COM2, Serial Device 2=COM1 . NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL).
Menu Item Description NOTE: When C States is enabled in Custom mode, changing the Monitor/Mwait setting does not impact system power/performance. Memory Patrol Scrub Allows you to set the memory patrol scrub frequency. By default, the Memory Patrol Scrub option is set to Standard .
Menu Item Description NMI Button Allows you to enable or disable the NMI button on the front of the system. By default, the NMI Button option is set to Disabled . AC Power Recovery Allows you to set how the system reacts after AC power is restored to the system.
You can assign a new System Password and/or Setup Password or change an existing System Password and/or Setup Password only when the password jumper setting is enabled and Password Status is Unlocked . If the Password Status is Locked , you cannot change the System Password and/or Setup Password.
7. Press <Esc> to return to the System BIOS screen. Press <Esc> again, and a message prompts you to save the changes. NOTE: You can disable password security while logging on to the system. To disable the password security, turn on or reboot your system, type your password and press <Ctrl><Enter> .
To enter the Boot Manager: 1. Turn on or restart your system. 2. Press <F11> after you see the following message: <F11> = UEFI Boot Manager If your operating system begins to load before you press <F11> , allow the system to finish booting, and then restart your system and try again.
UEFI Boot Menu Menu Item Description Select UEFI Boot Option Displays the list of available UEFI boot options (marked with asterisks), select the boot option you wish to use and press <Enter>. Add Boot Option Adds a new boot option. Delete Boot Option Deletes an existing boot option.
NOTE: When the User Option is set to the default Auto setting, the user option cannot be modified. 3. Set the Maximum Air Exhaust Temperature or the Fan Speed Offset fields.
3 Installing System Components Recommended Tools You may need the following items to perform the procedures in this section: • Key to the system keylock • #1 and #2 Phillips screwdrivers • Wrist grounding strap connected to ground Front Bezel (Optional) Installing The Front Bezel 1.
Figure 11. Removing and Installing the Front Bezel 1. system 2. front bezel 3. keylock 4. release latch Removing The Front Bezel 1. Insert the bezel key in the keylock. 2. Keeping the keylock pressed with the bezel key, rotate the keylock to the unlocked position.
Figure 12. Removing and Installing the System Feet 1. base of the tower 2. system feet (4) 3. screws (4) Installing The System Feet 1. Lay the system on its side on a flat, stable surface. 2. Secure the system feet to the base of the tower using the screws.
4. Offset the front wheel assembly unit slightly to the back of the system to release the retention hooks, and pull out the front wheel assembly unit. 5.
7. Offset the front wheel assembly slightly to the front and secure the unit in place using a screw. 8. Using two screws, install the support unit on the base of the chassis. 9. Place the system upright on a sturdy, stable surface. Opening And Closing The System WARNING: Whenever you need to lift the system, get others to assist you.
Figure 14. Opening and Closing the System 1. cover release latch 2. latch release lock 3. system cover 4. system feet (4) Closing The System 1. Ensure that all internal cables are connected and placed out of the way and that no tools or extra parts are left inside the system.
Figure 15. Inside the System—With Hot-Swappable Hard Drives 1. power interposer board 2. PCIe card holder (optional) 3. cooling shroud 4. internal cooling fan 5. external cooling fan (optional) 6. system feet (4) 7. heat sink for processor 2 8. expansion card slots (6) 9.
Figure 16. Inside the System—With Cabled Hard Drives 1. cabled power supply 2. PCIe card holder (optional) 3. cooling shroud 4. internal cooling fan 5. system feet (4) 6. heat sink for processor 2 7. expansion card slots (6) 8. heat sink for processor 1 9.
Removing The Optical Drive Or Tape Drive CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Figure 17. Removing and Installing the Optical Drive or Tape Drive 1. optical drive 2. tape drive 3. release latch 49.
Figure 18. Cabling—Optical Drive and Tape Drive 1. connector for power cable extension 2. mini-SAS connector on PERC card 3. ODD2/TBU connector on system board 4. ODD1/TBU connector on system board 5. power connector on x8 backplane 6. SAS tape drive data/power connector 7.
Installing The Optical Drive Or Tape Drive CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
CAUTION: Never operate your system with the cooling shroud removed. The system may get overheated quickly, resulting in shutdown of the system and loss of data. 1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and peripherals.
NOTE: For proper seating of the cooling shroud in the system chassis, ensure that the cables inside the system are routed along the chassis wall and secured using the cable securing clips. 1. Align the two slots on the cooling shroud with the tabs on the internal cooling fan.
Figure 20. Removing and Installing a Hot-Swap Hard Drive 1. release button 2. hard drive 3. hard-drive carrier handle Installing A Hot-Swap Hard Drive CAUTION: Many repairs may only be done by a certified service technician.
Removing A 2.5 Inch Hard-Drive Blank CAUTION: To maintain proper system cooling, all empty hard-drive slots must have hard-drive blanks installed. 1. If installed, remove the front bezel. 2. Press the release button and slide the hard-drive blank out until it is free of the hard-drive slot.
Figure 22. Removing and Installing a 3.5 Inch Hard-Drive Blank 1. hard-drive blank 2. release button Installing A 3.5 Inch Hard-Drive Blank 1. If installed, remove the front bezel. 2. Insert the hard-drive blank into the hard-drive slot until the release button clicks into place.
Figure 23. Removing and Installing a 2.5 Inch Hard Drive Into a 3.5 Inch Hard-Drive Adapter 1. screws (2) 2. 3.5 inch hard-drive adapter 3. 2.5 inch hard drive Installing A 2.5 Inch Hard Drive Into A 3.5 Inch Hard-Drive Adapter CAUTION: Many repairs may only be done by a certified service technician.
Figure 24. Removing and Installing a Hot-Swap Hard Drive Into a Hard-Drive Carrier 1. hard-drive carrier 2. screws (4) 3. hard drive 4. screw holes (4) 58.
Figure 25. Removing and Installing a Hard-Drive Adapter Into a 3.5 Inch Hard-Drive Carrier 1. hard-drive carrier 2. screws (5) 3. hard-drive adapter 4. 2.5 inch hard drive Installing A Hard Drive Or A Hard-Drive Adapter Into A Hard-Drive Carrier CAUTION: Many repairs may only be done by a certified service technician.
CAUTION: 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 only hard drives that have been tested and approved for use with your system. Removing The Internal Hard-Drive Bay CAUTION: Many repairs may only be done by a certified service technician.
Installing The Internal Hard-Drive Bay CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Figure 27. Removing and Installing a Cabled Hard Drive 1. hard drive connector 2. hard drive 3. internal hard-drive bay 4. screws (4) Installing A Cabled Hard Drive CAUTION: Many repairs may only be done by a certified service technician.
10. Close the system. 11. Place the system upright on a flat, stable surface and if applicable, rotate the system feet outward. 12. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. 13. Enter the System Setup and ensure that the hard drive's controller is enabled.
Figure 28. Removing and Installing an x8 Hard-Drive Backplane 1. x8 hard-drive backplane 2. release pin 3. hooks (11) 64.
Figure 29. Connectors on an x8 Hard-Drive Backplane 1. SAS B connector 2. power connector for the optical and tape drives 3. backplane power connector 4.
Figure 30. Cabling—x8 Hard-Drive Backplane 1. power connector 2. SAS A connector on system board 3. I2C connector on system board 4. I2C connector on backplane 5.
Figure 31. Removing and Installing an x16 Hard-Drive Backplane 1. x16 hard-drive backplane 2. release pin 3. hooks (7) 67.
Figure 32. Connectors on an x16 Hard-Drive Backplane 1. backplane power connector 2. backplane 3. power connector for the optical and tape drives 4. I2C connector 5.
Figure 33. Cabling—x16 Hard-Drive Backplane With Expansion Card 1. power connector on power distribution board 2. SAS B connector on PowerEdge RAID Controller (PERC) card 3. SAS A connector on PERC card 4. I2C connector on system board 5. SAS A connector on backplane 6.
6. If applicable, place the system upright on a flat, stable surface and rotate the system feet outward. 7. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. 8. If applicable, install the front bezel.
Figure 34. Installing and Removing the Four-Slot Hard-Drive Blank 1. four-slot hard-drive blank 2. release tab 3. screwdriver Installing A Four-Slot Hard-Drive Blank 1. Locate the hard drive slots numbered from four to seven. 2. Insert the four-slot hard-drive blank into the hard-drive slot, and push it until the release tabs click into place.
• DIMM operating voltage • system profile selected (for example, Performance Optimized , Custom , or Dense Configuration Optimized ) • maximum supported DIMM frequency of the processor The following table shows the memory populations and operating frequencies for the supported configurations.
Processor 1 channel 1: memory sockets A1 and A4 channel 2: memory sockets A2 and A5 channel 3: memory sockets A3 and A6 Processor 2 channel 1: memory sockets B1 and B4 channel 2: memory sockets B2 and.
Advanced ECC (Lockstep) Advanced ECC mode extends SDDC from x4 DRAM based DIMMs to both x4 and x8 DRAMs. This protects against single DRAM chip failures during normal operation. Memory installation guidelines: • Memory sockets A1, A4, B1, and B4 are disabled and do not supported Advanced ECC mode.
Table 1. Memory Configurations — Single Processor System Capacity (in GB) DIMM Size (in GB) Number of DIMMs Organization and Speed DIMM Slot Population 2 2 1 1R x8, 1333 MT/s 1R x8, 1600 MT/s A1 4 2.
System Capacity (in GB) DIMM Size (in GB) Number of DIMMs Organization and Speed DIMM Slot Population 160 16 10 2R x4, 1333 MT/s 2R x4, 1600 MT/s A1, A2, A3, A4, A5, B1, B2, B3, B4, B5 192 16 12 2R x4.
6. If a memory module or a memory-module blank is installed in the socket, remove it. NOTE: Retain removed memory-module blank(s) for future use. Figure 37. Removing The Memory Module 1. memory module/memory-module blank 7. Install the cooling shroud.
NOTE: The memory-module socket has an alignment key that allows you to install the memory module in the socket in only one orientation. CAUTION: To prevent damage to the memory-module socket during installation, apply pressure at both ends of the memory module evenly.
Removing The Internal Cooling Fan CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Figure 39. Removing and Installing the Internal Cooling Fan 1. arrow 2. internal cooling fan 3. internal cooling fan power cable 4. release tab Figure 40. Cabling—Internal Cooling Fan 1. FAN1 power connector on system board 2. internal cooling fan power cable 3.
Installing The Internal Cooling Fan CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Figure 41. Removing and Installing the External Cooling Fan 1. back of the system chassis 2. lower hooks (2) 3. external cooling fan 4. screws (4) 5. upper hook 6. external cooling fan power cable slot 7. external cooling fan power cable Figure 42. Cabling—External Cooling Fan 1.
Installing The External Cooling Fan CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
NOTE: For systems installed with the wheel assembly, ensure that you lay the system on a sturdy, stable surface with the wheel assembly extending off the edge of the surface. 3. Open the system. 4. Locate the USB connector (INT USB) or the USB key on the system board.
PCIe Card Holder (Optional) Removing The PCIe Card Holder CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
3. PCIe card holder Installing The PCIe Card Holder CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Table 4. Expansion Card Installation Order Card Priority Card Type Slot Priority Maximum Allowed 1 GPU 3, 5 2 2 External RAID 1, 4, 5, 3, 6 1 3 Internal RAID 6, 4, 5, 3, 1 1 4 10 Gb NICs 4, 5, 3, 6 4 .
7. From inside the system, press and push out the expansion card release latch to open it. 8. Holding the card by its edge, pull the card to disengage from the connector and lift the card out of the chassis. 9. If you are removing the card permanently, install a filler bracket in the empty card slot.
NOTE: For systems installed with the wheel assembly, ensure that you lay the system on a sturdy, stable surface with the wheel assembly extending off the edge of the surface. 4. Open the system. 5. If applicable, remove the PCIe card holder. 6. From inside the system, press and push out the expansion card release latch to open it.
10. Install the PCIe card holder. 11. Close the system. 12. If applicable, place the system upright on a flat, stable surface and rotate the system feet outward. 13. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
5. Locate the x16 slot on the system board. 6. From inside the system, press and push out the expansion card release latch for the x16 slot. NOTE: If you are installing a double-width GPU card, you must open the two expansion card latches to secure the card.
Figure 47. Removing and Installing the iDRAC Ports Card 1. screw 2. iDRAC ports card 3. iDRAC ports card connector Installing The iDRAC Ports Card CAUTION: Many repairs may only be done by a certified service technician.
11. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. Replacing An SD vFlash Card 1. Locate the SD vFlash card slot on the system. 2. To remove the installed SD vFlash card, push inward on the card to release it, and pull the card from the card slot.
8. If applicable, place the system upright on a flat, stable surface and rotate the system feet outward. 9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. Figure 49. Removing and Installing the Internal Dual SD Module 1.
Removing An Internal SD Card CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
NOTE: When selecting or upgrading your system configuration, verify the system power consumption with the Dell Energy Smart Solution Advisor at dell.com/ESSA to ensure optimum power utilization. Removing A Processor CAUTION: Many repairs may only be done by a certified service technician.
Figure 50. Removing and Installing the Heat Sink 1. heat sink 2. captive screws (4) 3. processor shield 4. standoffs (4) CAUTION: The processor is held in its socket under strong pressure. Be aware that the release lever can spring up suddenly if not firmly grasped.
Figure 51. Removing and Installing a Processor 1. socket release lever 2. processor 3. processor shield 4. socket 5. guide 6. slot NOTE: After removing the processor, place it in an antistatic container for reuse, return, or temporary storage. Do not touch the bottom of the processor.
7. If applicable, remove the socket protective cap. 8. If you are adding a second processor for the first time, remove the heat sink blank and the processor blank from the vacant processor socket. Removing the blanks is similar to removing a processor.
NOTE: When selecting or upgrading your system configuration, verify the system power consumption with the Dell Energy Smart Solution Advisor at dell.com/ESSA to ensure optimum power utilization. Removing A Redundant AC Power Supply CAUTION: Many repairs may only be done by a certified service technician.
NOTE: The maximum output power (shown in Watts) is listed on the power supply label. 2. If applicable, remove the power supply blank. 3. Slide the new power supply into the chassis until the power supply is fully seated and the release latch snaps into place.
Replacing The Power Supply Divider CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
3. screw Non-Redundant AC Power Supply Your system supports a non-redundant 550 W AC power supply. NOTE: Non-redundant power supply is supported in systems with cabled hard drives and systems with an x8 backplane.
Figure 55. Removing and Installing a Non-Redundant AC Power Supply 1. screw 2. power supply unit cage 3. non-redundant power supply 4. standoff on the chassis 5.
Installing A Non-Redundant AC Power Supply CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Figure 56. Removing and Installing the Power Interposer Board and the Power Distribution Board 1. power distribution board 2. slots on power interposer board (4) 3. GPU power connector 4. power interposer board 5. hooks (4) 6. release latch 7. P6 cable connector 8.
Installing The Power Interposer Board CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
3. Open the system. 4. Locate the battery socket. CAUTION: To avoid damage to the battery connector, you must firmly support the connector while installing or removing a battery. 5. To remove the battery, support the battery connector by pressing down firmly on the positive side of the connector.
The control-panel assembly with diagnostic indicators is supported on systems with cabled hard drives and systems with an x8 backplane. The control-panel assembly with LCD module is supported on systems with hot-swappable hard drives only. Removing The Control-Panel Assembly CAUTION: Many repairs may only be done by a certified service technician.
5. control-panel assembly 6. control panel Figure 59. Removing and Installing the Control-Panel Assembly With Diagnostic Indicators in a Tower-Mode System 1. control panel board 2. control-panel assembly connector 3. control-panel assembly cable connector 4.
Figure 60. Removing and Installing the Control-Panel Assembly in a Rack-Mode System 1. LCD module ZIF connector 2. VGA module connector 3. VGA module cable connector 4. control-panel assembly connector 5. control-panel assembly cable connector 6. screw 7.
3. slot Installing The Control-Panel Assembly CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Figure 62. Removing and Installing the Control Panel for Systems With an LCD Module 1. control panel 2. control-panel board 3. LCD module 4. control-panel assembly 5. tabs (3) Figure 63. Removing and Installing the Control Panel for Systems With Diagnostic Indicators 1.
3. control-panel assembly 4. tabs (3) Installing The Control Panel CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Figure 64. Removing and Installing the Control-Panel Board With LCD Module 1. LCD ZIF cable 2. LCD module ZIF connector 3. control-panel board 4. screws (3) 5. control-panel assembly Installing The Control-Panel Board For Systems With LCD Modules CAUTION: Many repairs may only be done by a certified service technician.
Removing The Control-Panel Board For Systems With Diagnostic Indicators CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
NOTE: The control-panel assembly with diagnostic indicators is supported on systems with cabled hard drives and systems with an x8 backplane. 1. Using the screw holes, align the control-panel board with the control-panel assembly. 2. Secure the control-panel board to the control-panel assembly using the three screws.
3. LCD module ZIF connector 4. LCD ZIF cable Installing The LCD Module CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Figure 67. Removing and Installing the VGA Module 1. control panel 2. control-panel board 3. VGA module 4. securing tabs (2) 5. control-panel assembly Installing The VGA Module—Rack Mode CAUTION: Many repairs may only be done by a certified service technician.
Removing 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 your product documentation, or as directed by the online or telephone service and support team.
Figure 68. Removing the System Board 1. screws (11) 2. system board holders (2) 3. system board Installing The System Board CAUTION: Many repairs may only be done by a certified service technician.
NOTE: Secure the screws along the edges of the system board first, and follow a diagonal path to complete this procedure. 5. Install the following as applicable: a. heat sink and processor b. memory modules c. internal dual SD module d. internal USB key e.
4 Converting The System From Tower Mode To Rack Mode CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
3. If applicable, remove the system feet or wheel assembly. 4. Open the system. 5. Remove the system top cover by following the steps below: a. Using a #2 Phillips screwdriver, remove the three screws on the side of the system that secure the system top cover to the system chassis.
Figure 70. Removing and Installing the Rack Ears 1. front panel 2. rack ears (2) 3. screws for each rack ear (3) 12. Close the system. Rack Installation To install the system in a rack, see the system’s Rack Installation Guide.
5 Troubleshooting Your System Safety First—For You And Your System CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
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 attached USB devices and disconnect them from the system. 8. Restart the system and, if your keyboard is functioning, enter the System Setup.
Troubleshooting A Wet System CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
• Hard-drive carriers • Hard-drive backplane 4. Ensure that all cables are properly connected. 5. Close the system. 6. Run the appropriate diagnostic test.
Troubleshooting Redundant Power Supplies CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
If diagnostics indicates a fault, follow the corrective actions provided by the diagnostic program. 2. If the system is not operational, turn off the system and attached peripherals, and unplug the system from the power source. Wait at least 10 seconds and then reconnect the system to power.
Troubleshooting An SD Card CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Troubleshooting A Hard Drive CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
11. For each expansion card you removed in step 8, perform the following steps: a. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet. b. Open the system. c. Reinstall one of the expansion cards. d. Close the system.
6 Using System Diagnostics If you experience a problem with your system, run the system diagnostics before contacting Dell for technical assistance. The purpose of running system diagnostics is to test your system hardware without requiring additional equipment or risking data loss.
The ePSA Pre-boot System Assessment window is displayed, listing all devices detected in the system. The diagnostics starts executing the tests on all the detected devices. System Diagnostic Controls Menu Description Configuration Displays the configuration and status information of all detected devices.
7 Jumpers And Connectors System Board Jumper Settings For information on resetting the password jumper to disable a password, see Disabling A Forgotten Password. Table 5. System Board Jumper Settings Jumper Setting Description PWRD_EN (default) The password feature is enabled (pins 2–4).
System Board Jumpers And Connectors Figure 71. System Board Jumpers and Connectors Item Connector Description 1 PWR_CONN/P1 Power connector 2 CTRL PNL Control panel interface connector 3 FRONT VGA Vid.
Item Connector Description 12 ID_BTN System identification button 13 CMA_JACK System identification connector (Cable management arm) 14 USB4 TOP, USB5, USB6 BOT USB connectors 15 USB1 TOP, USB2, USB3 .
Disabling A Forgotten Password The system's software security features include a system password and a setup password. The password jumper enables these password features or disables them and clears any password(s) currently in use. CAUTION: Many repairs may only be done by a certified service technician.
8 Technical Specifications Processor Processor type One or two Intel Xeon processors E5-2400 and E5-2400 v2 product family Expansion Bus Bus type PCI Express Generation 3 and 2 Expansion slots (Slot 1.
Memory Maximum RAM RDIMMs 384 GB UDIMMs 48 GB Drives Hard drives Four–hard-drive systems Up to four 3.5 inch, internal, cabled SATA, nearline SAS, or SAS (15K) hard drives. Eight–hard-drive systems Up to eight 3.5 inch, internal, hot-swappable SATA, nearline SAS, SAS (15K) hard drives.
Connectors Internal USB One 4-pin, USB 2.0-compliant Internal Dual SD Module Two optional flash memory card slots with the internal SD module NOTE: One card slot is dedicated for redundancy.
Environmental NOTE: For additional information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets .
Environmental NOTE: This section defines the limits to help avoid IT equipment damage and/or failure from particulates and gaseous contamination. If it is determined that levels of particulates or gas.
9 System Messages LCD Messages NOTE: Applicable only if your system has an LCD display. The LCD messages consist of brief text messages that refer to events recorded in the System Event Log (SEL). For information on the SEL and configuring system management settings, see the systems management software documentation.
Error Code Message Information AMP0302 Message The system board < name > current is greater than the upper warning threshold. Details System board < name > current is outside of the optimum range. Action 1. Review system power policy. 2. Check system logs for power related failures.
Error Code Message Information ASR0003 Message The watchdog timer power cycled the system. Details The operating system or an application failed to communicate within the time-out period. The system was power-cycled. Action Check the operating system, application, hardware, and system event log for exception events.
Error Code Message Information Action Review the technical specifications for supported processor types. CPU0010 Message CPU < number > is throttled. Details The CPU is throttled due to thermal or power conditions. Action Review system logs for power or thermal exceptions.
Error Code Message Information 2. Turn off the system and remove input power for one minute. 3. Ensure the processor is seated correctly. 4. Reapply input power and turn on the system. 5. If the issue persists, see Getting Help . CPU0702 Message CPU bus parity error detected.
Error Code Message Information 5. If the issue persists, see Getting Help . FAN0000 Message Fan < number > RPM is less than the lower warning threshold. Details Fan operating speed is out of range. Action Remove and reinstall the fan. If the issue persists, see Getting Help .
Error Code Message Information Action Check if the cable is present, then reinstall or reconnect. MEM0000 Message Persistent correctable memory errors detected on a memory device at location(s) < location >. Details This is an early indicator of a possible future uncorrectable error.
Error Code Message Information LCD Message Memory mirror lost on < location >. Power cycle system. Details The memory may not be seated correctly, misconfigured, or has failed. Action Check the memory configuration. Re-seat the memory modules. If the issue persists, see Getting Help .
Error Code Message Information Action Cycle input power, update component drivers, if device is removable, reinstall the device. PCI1320 Message A bus fatal error was detected on a component at bus < bus >device< device >function < func >.
Error Code Message Information LCD Message Drive < number > removed from disk drive bay < bay >. Check drive. Details The controller detected that the drive was removed. Action Verify drive installation. Re-seat the failed drive. If the issue persists, see Getting Help .
Error Code Message Information PSU0006 Message Power supply < number > type mismatch. LCD Message Power supply < number > is incorrectly configured. Check PSU. Details Power supplies should be of the same input type and power rating. Action Install matched power supplies and review proper configuration in this manual.
Error Code Message Information PSU0034 Message An under voltage fault detected on power supply < number >. LCD Message An under voltage fault detected on PSU < number >. Check power source. Details This failure may be the result of an electrical issue with cables or subsystem components in the system.
Error Code Message Information PSU1201 Message Power supply redundancy is lost. Details The power supply tries to operate in a degraded state. System Performance and power redundancy may be degraded or lost. Action Check input power. Reinstall the power supply.
Error Code Message Information Details An error was reported during a SD card read or write. Action Reseat the flash media. If the problem persists, see Getting Help . RFM1014 Message Removable Flash Media < name > is write protected. LCD Message Removable Flash Media < name > is write protected.
Error Code Message Information SEC0031 Message The chassis is open while the power is on. LCD Message Intrusion detected. Check chassis cover. Details The chassis is open. System performance may be degraded, and security may be compromised. Action Close the chassis.
Error Code Message Information Action Re-configure system to the minimum supported configuration. If issues persists, contact support. TMP0118 Message The system inlet temperature is less than the lower warning threshold. LCD Message System inlet temperature is outside of range.
Error Code Message Information Action 1. Review system logs for power supply exceptions. 2. Re-configure the system to minimum configuration, inspect and reinstall system cables.
10 Getting Help Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options.
Ein wichtiger Punkt beim Kauf des Geräts Dell E20S (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Dell E20S noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Dell E20S - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Dell E20S reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Dell E20S erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Dell E20S besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Dell E20S verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Dell E20S. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Dell E20S gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.