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Manual Dell E20S

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  • Dell E20S - page 1

    Dell PowerEdge T420 Systems Owner's Manual Regulatory Model: E20S Series Regulatory Type: E20S001 ...

  • Dell E20S - page 2

    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. © 2013 Dell Inc ...

  • Dell E20S - page 3

    Contents 1 About Your System...................................................................................................................... 9 Front-Panel Features And Indicators—Tower Mode ............................................................................................... 9 Front-Panel Features And Indicators—Rack Mode ...... ...

  • Dell E20S - page 4

    Entering The UEFI Boot Manager ........................................................................................................................... 36 Using The Boot Manager Navigation Keys ...................................................................................................... 37 Boot Manager Screen ........................... ...

  • Dell E20S - page 5

    Removing The Internal Hard-Drive Bay ........................................................................................................... 60 Installing The Internal Hard-Drive Bay .............................................................................................................61 Removing A Cabled Hard Drive ...................... ...

  • Dell E20S - page 6

    Installing An Internal SD Card .......................................................................................................................... 95 Processors .............................................................................................................................................................. 95 Removing A Processor ...

  • Dell E20S - page 7

    Safety First—For You And Your System ............................................................................................................... 126 Troubleshooting System Startup Failure .............................................................................................................. 126 Troubleshooting External Connections .... ...

  • Dell E20S - page 8

    Diagnostic Messages ........................................................................................................................................... 162 Alert Messages .....................................................................................................................................................162 10 Getting Help... ...

  • Dell E20S - page 9

    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 ...

  • Dell E20S - page 10

    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 5.25 inch removable media storage device. 2 Optical dr ...

  • Dell E20S - page 11

    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. NOTE: On Advanced Configuration and Power Interface (ACPI)-compliant operating systems, turning off the system using the power button cau ...

  • Dell E20S - page 12

    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 5.25 inch tape driv ...

  • Dell E20S - page 13

    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. NOTE: On ACPI-compliant operating systems, turning off the system using the power button causes the system to perform a graceful shutdown ...

  • Dell E20S - page 14

    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. The power button controls the power supply o ...

  • Dell E20S - page 15

    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. 6 LCD panel Displays system ID, status information, and system error messages. The LCD li ...

  • Dell E20S - page 16

    • 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. 3 Right Moves the cursor forward in one-step increments. During ...

  • Dell E20S - page 17

    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. Option Description iDRAC ...

  • Dell E20S - page 18

    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). See the System Event ...

  • Dell E20S - page 19

    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. Hard-Drive Indicators 1. hard-drive activity indicator (green) 2. hard- ...

  • Dell E20S - page 20

    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. Back-Panel Features and Indicators 20 ...

  • Dell E20S - page 21

    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. Non-redundant power supply One 550 W non-redundant AC power supply. NOTE: Non-redundant power supply is supported in systems with cabled hard drives and systems with an x8 backp ...

  • Dell E20S - page 22

    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). Link indicator is amber The NIC is connected to a va ...

  • Dell E20S - page 23

    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. Swapping the opposit ...

  • Dell E20S - page 24

    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. Warranty information may be included within this document or as a separate document. • T ...

  • Dell E20S - page 25

    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. <F10> Enters System Services, which opens the Dell Lifecycle Controller 2 (LC2). ...

  • Dell E20S - page 26

    • 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. Once you specify the ...

  • Dell E20S - page 27

    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. Device Settings This option is used to view a ...

  • Dell E20S - page 28

    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. Memory Settings Screen Menu Item Descripti ...

  • Dell E20S - page 29

    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. By default, the Alternate RTID (Requestor Transaction ID) Se ...

  • Dell E20S - page 30

    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. Off disables BIOS support for the device. By default, Port A is set to Auto . Port B Auto enab ...

  • Dell E20S - page 31

    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. By default, the User Accessible USB Ports option is set to All Ports On . Internal USB Por ...

  • Dell E20S - page 32

    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). To use console redirection by SOL, configure the same port address for console redirectio ...

  • Dell E20S - page 33

    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 . Memory Refresh Rate Allows you to set the memory refresh rate. By d ...

  • Dell E20S - page 34

    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. By default, the AC Power Recovery option is set to Last . AC Power Recovery Delay Allow ...

  • Dell E20S - page 35

    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. If the password jumper setting is disabled, the exis ...

  • Dell E20S - page 36

    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> . Using Your System Password ...

  • Dell E20S - page 37

    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. Using The Boot Manager Navigation Keys Key Desc ...

  • Dell E20S - page 38

    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. Boot From File Sets a one-time boot option not included in ...

  • Dell E20S - page 39

    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. 4. Click Back → Finish → Yes . 39 ...

  • Dell E20S - page 40

    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. Insert the bezel tabs into the bezel tab slots in the chassi ...

  • Dell E20S - page 41

    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. 3. Press down on the release latch at the top of the bezel. 4. Rotate the top end of ...

  • Dell E20S - page 42

    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. 3. Place the system upright on a flat, stable surface and turn the system feet outward. Whee ...

  • Dell E20S - page 43

    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. Remove the screw securing the back wheel assembly unit to the base of the chassis. 6. Offset the back wheel assembly unit slightly to the front of the system to release the retention hooks, and pu ...

  • Dell E20S - page 44

    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. To avoid injur ...

  • Dell E20S - page 45

    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. 2. Place the bottom edge of the system cover into the corresponding slots ...

  • Dell E20S - page 46

    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. heat sink for processor 1 10. hard-drive backplane 46 ...

  • Dell E20S - page 47

    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. internal hard-drive bay Optical Drives And Tape Drives (Optional) Your system supports one ...

  • Dell E20S - page 48

    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. Damage due to servicing that is not authorized by Dell is not c ...

  • Dell E20S - page 49

    Figure 17. Removing and Installing the Optical Drive or Tape Drive 1. optical drive 2. tape drive 3. release latch 49 ...

  • Dell E20S - page 50

    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. optical drive 2 power connector 8. optical drive 2 data connector 9. opti ...

  • Dell E20S - page 51

    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. Damage due to servicing that is not authorized by Dell is not ...

  • Dell E20S - page 52

    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. 2. If applicable, rotate the system feet inward and lay the ...

  • Dell E20S - page 53

    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. 2. Lower the cooling shroud into the chassis until the two slots on the c ...

  • Dell E20S - page 54

    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. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the ...

  • Dell E20S - page 55

    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 21. Removing and Installing a 2.5 Inch Hard-Drive B ...

  • Dell E20S - page 56

    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. 3. If applicable, install the front bezel. Removing A 2.5 Inch Hard D ...

  • Dell E20S - page 57

    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. You should only perform troubleshooting and simp ...

  • Dell E20S - page 58

    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 ...

  • Dell E20S - page 59

    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. You should only perform troubl ...

  • Dell E20S - page 60

    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. You should only perfor ...

  • Dell E20S - page 61

    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. Damage due to servicing that is not authorized by Dell is not cov ...

  • Dell E20S - page 62

    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. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as d ...

  • Dell E20S - page 63

    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. 14. Exit the System Setu ...

  • Dell E20S - page 64

    Figure 28. Removing and Installing an x8 Hard-Drive Backplane 1. x8 hard-drive backplane 2. release pin 3. hooks (11) 64 ...

  • Dell E20S - page 65

    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. SAS A connector 5. I2C connector 65 ...

  • Dell E20S - page 66

    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. SAS A connector on backplane 6. backplane power connector 66 ...

  • Dell E20S - page 67

    Figure 31. Removing and Installing an x16 Hard-Drive Backplane 1. x16 hard-drive backplane 2. release pin 3. hooks (7) 67 ...

  • Dell E20S - page 68

    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. primary SAS connectors (A and B) 6. secondary SAS connectors (A1 and B1) 68 ...

  • Dell E20S - page 69

    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. SAS B connector on backplane 7. backplane power connector 8. I2C connector on ...

  • Dell E20S - page 70

    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. Four-Slot Hard-Drive Blank Systems with x8 hard-drive backplanes configured for software RAID ...

  • Dell E20S - page 71

    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. 3. C ...

  • Dell E20S - page 72

    • 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. DIMM Type DIMMs Populated/ Channel Operating Frequ ...

  • Dell E20S - page 73

    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 B5 channel 3: memory sockets B3 and B6 General Memory Module Installation Guidelines This system supports Flexible Memory Configuration, enabling the ...

  • Dell E20S - page 74

    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. • DIMMs must be installed in matched pairs — ...

  • Dell E20S - page 75

    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 2 1R x8, 1333 MT/s 1R x8, 1600 MT/s A1, A2 10 2 5 1R x8, 1333 MT/s 1R x8, 1600 MT/s A1, A2, A3, A4, A5 12 4 3 1R x8, 1333 MT/s 1R x8, 1600 MT/s A1, A ...

  • Dell E20S - page 76

    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, 1333 MT/s 2R x4, 1600 MT/s A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6 256 32 8 4R x4, 1066 MT/s A1, A2, A3, A4, B1, B2, B3, B4 384 32 12 4R x4, ...

  • Dell E20S - page 77

    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. 8. Close the system. 9. Reconnect the system to its electrical outlet and turn the system on, incl ...

  • Dell E20S - page 78

    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. Do not apply pressure to the center of the memory module. 7. Press down on the me ...

  • Dell E20S - page 79

    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. Damage due to servicing that is not authorized by Dell is not covered ...

  • Dell E20S - page 80

    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. securing clip on system board 4. securing clip on chassis 5. internal cooling fan 80 ...

  • Dell E20S - page 81

    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. Damage due to servicing that is not authorized by Dell is not covere ...

  • Dell E20S - page 82

    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. external cooling fan power cable 2. securing clip on system board 3 ...

  • Dell E20S - page 83

    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. Damage due to servicing that is not authorized by Dell is not covere ...

  • Dell E20S - page 84

    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. 5. If applicable, remove the USB key. 6. Insert the new USB key into the USB conn ...

  • Dell E20S - page 85

    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. Damage due to servicing that is not authorized ...

  • Dell E20S - page 86

    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. Damage due to servicing that is not authorized by De ...

  • Dell E20S - page 87

    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 5 FC8 HBA 4, 5, 3, 1, 6 5 6 CNAs 4, 5, 3, 1, 6 5 7 1 Gb NICs 2, 4, 5, 3, 1, 6 6 8 Non-RAID 4, 5, 3, 1, 6 1 9 Internal tape adapter 2, 4, 5, 3, 1, 6 1 ...

  • Dell E20S - page 88

    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: Filler brackets must be installed over emp ...

  • Dell E20S - page 89

    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. 7. If you are ins ...

  • Dell E20S - page 90

    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. Figure 46. Removing and Installing the GPU Card 1. GPU card (double-width) 2. ...

  • Dell E20S - page 91

    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. 7. If applicable, remove the filler brackets. 8. Insert the GPU card into the x16 slot. 9. ...

  • Dell E20S - page 92

    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. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the onl ...

  • Dell E20S - page 93

    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. Figure 48. Removing and Installing the SD v ...

  • Dell E20S - page 94

    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. SD card connector on system board 2. SD card slot 1 3. SD card slot 2 ...

  • Dell E20S - page 95

    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. Damage due to servicing that is not authorized by Dell is not covered by yo ...

  • Dell E20S - page 96

    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. You should only perform troubleshooting and simple repairs a ...

  • Dell E20S - page 97

    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. 11. Position your thumb firmly over the processor socket-release lever and release ...

  • Dell E20S - page 98

    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. Touch only the side edges of the processor. Installing A Process ...

  • Dell E20S - page 99

    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. 9. Unpack the new processor. If the processor has previously been used in a system, remove any re ...

  • Dell E20S - page 100

    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. You should only perform troubleshooting and ...

  • Dell E20S - page 101

    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. NOTE: The systems configured in rack-mode, re-latch the cable management arm if you unlatc ...

  • Dell E20S - page 102

    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. Damage due to servicing that is not authorized by Dell is not covered ...

  • Dell E20S - page 103

    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. NOTE: When selecting or upgrading your system configuration, verify the system power consumption with the Dell Energy Smart Solution Adv ...

  • Dell E20S - page 104

    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. P1 cable connector 6. P2 cable connector 7. P3 cable connector 8. backplane connector 104 ...

  • Dell E20S - page 105

    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. Damage due to servicing that is not authorized by Dell is not ...

  • Dell E20S - page 106

    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. P1 cable connector 9. P2 cable connector 10. P3 cable connector 11. GPU power connec ...

  • Dell E20S - page 107

    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. Damage due to servicing that is not authorized by Dell is not cove ...

  • Dell E20S - page 108

    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. Figure 57. Removing and Installing the System Batter ...

  • Dell E20S - page 109

    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. ...

  • Dell E20S - page 110

    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. screw 110 ...

  • Dell E20S - page 111

    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. control-panel board 8. VGA module 9. control panel for rack mode 7. If you are replacing the c ...

  • Dell E20S - page 112

    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. Damage due to servicing that is not authorized by Dell is ...

  • Dell E20S - page 113

    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. control panel 2. control-panel board 113 ...

  • Dell E20S - page 114

    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. Damage due to servicing that is not a ...

  • Dell E20S - page 115

    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. You should only perform troub ...

  • Dell E20S - page 116

    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. Damage due to servicing that is ...

  • Dell E20S - page 117

    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. Install the control-panel as ...

  • Dell E20S - page 118

    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. Damage due to servicing that is n ...

  • Dell E20S - page 119

    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. You should only perform troubleshooting and simple repairs as authorized in your produc ...

  • Dell E20S - page 120

    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. Damage due to servicing that is not authorized by Dell is not covered by your ...

  • Dell E20S - page 121

    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. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone servic ...

  • Dell E20S - page 122

    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. expansion-cards f. iDRAC ports card g. PCIe card holder h. system cooling fan i. cooling shro ...

  • Dell E20S - page 123

    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. Damage due to servicing that is not authorized by D ...

  • Dell E20S - page 124

    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. b. Slide the top panel toward the back of the system until the pane ...

  • Dell E20S - page 125

    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. 125 ...

  • Dell E20S - page 126

    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. Damage due to servicing that is not ...

  • Dell E20S - page 127

    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. Verify that all USB ports are enabled on the Integrated Dev ...

  • Dell E20S - page 128

    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. Damage due to servicing that is not authorized by Dell is not covered by yo ...

  • Dell E20S - page 129

    • Hard-drive carriers • Hard-drive backplane 4. Ensure that all cables are properly connected. 5. Close the system. 6. Run the appropriate diagnostic test. For more information, see Using System Diagnostics. If the tests fail, see Getting Help . Troubleshooting The System Battery CAUTION: Many repairs may only be done by a certified service tec ...

  • Dell E20S - page 130

    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. Damage due to servicing that is not authorized by Dell is not c ...

  • Dell E20S - page 131

    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. 3. Turn on the system and attached peripherals and note t ...

  • Dell E20S - page 132

    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. Damage due to servicing that is not authorized by Dell is not covered by your ...

  • Dell E20S - page 133

    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. Damage due to servicing that is not authorized by Dell is not covered by yo ...

  • Dell E20S - page 134

    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. e. Run the appropriate diagnostic test. For more information, see Using System Diagno ...

  • Dell E20S - page 135

    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. If you are unable to fix the problem yourself, service and support ...

  • Dell E20S - page 136

    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. Results Displays the results of all tests th ...

  • Dell E20S - page 137

    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). The password feature is disabled (pins 4–6). iDRAC local ...

  • Dell E20S - page 138

    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 Video connector 4 SLOT1 PCIE-G2-X4(CPH) PCIe card connector 1 5 SLOT2 PCIE-G2-X1(CPH) PCIe card connector 2 6 SLOT3 PCIE-G3-X16(CPU1) PCIe card connector ...

  • Dell E20S - page 139

    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 BOT USB connectors 16 NIC1 TOP, NIC2 BOT NIC connectors 17 COM TOP/VGA BOT Serial connector/video connector 18 INTRUSION Chassis intrusion switch conn ...

  • Dell E20S - page 140

    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. You should only perform troubleshootin ...

  • Dell E20S - page 141

    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) One full-height, half-length x4 PCIe Gen2 card slot connected to Platform Controller Hub (PCH) (Slot 2) One full-height, full-length x1 PCIe Gen2 ca ...

  • Dell E20S - page 142

    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. NOTE: 2.5 inch hard drives in 3.5 inch carriers are support ...

  • Dell E20S - page 143

    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. Video Video type Integrated Matrox G200 Video memory 16 MB shared Expanded Operating Temperature NOTE: When operating in the expanded temperature range, system ...

  • Dell E20S - page 144

    Environmental NOTE: For additional information about environmental measurements for specific system configurations, see dell.com/environmental_datasheets . Temperature Maximum Temperature Gradient (Operating and Storage) 20 °C/h (36 °F/h) Storage Temperature Limits –40 °C to 65 °C (–40 °F to 149 °F) Temperature (Continuous Operation) Temp ...

  • Dell E20S - page 145

    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 gaseous pollution are beyond the limits specified below and are the reason for the damage and/or failures to your equipment, it may be necessary for you ...

  • Dell E20S - page 146

    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. NOTE: If your system fails to b ...

  • Dell E20S - page 147

    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. 3. Review system configuration changes. 4. If the issu ...

  • Dell E20S - page 148

    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. BAT0002 Message The system board ...

  • Dell E20S - page 149

    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. CPU0023 Message CPU < number > is absent. LCD Message CPU < n ...

  • Dell E20S - page 150

    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. LCD Message CPU bus parity error detected. Power cycle system. Details Sy ...

  • Dell E20S - page 151

    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 . FAN0001 Message Fan < number > RPM is less than the lower cri ...

  • Dell E20S - page 152

    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. Action Re-seat the memory modules. If the issue persists, s ...

  • Dell E20S - page 153

    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 . MEM1208 Message Memory spare redundancy is lost. Check mem ...

  • Dell E20S - page 154

    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 >. LCD Message Bus fatal error on bus < bus > device < device > function < func ...

  • Dell E20S - page 155

    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 . PST0128 Message No memory is detected. LCD Message No memory is de ...

  • Dell E20S - page 156

    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. PSU0016 Message Po ...

  • Dell E20S - page 157

    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. Action 1. Remove and reinstall the ...

  • Dell E20S - page 158

    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. If the issue persists, see Getting Help . PSU1204 Message The power supplies are not red ...

  • Dell E20S - page 159

    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. Check SD Card. Details The card is write ...

  • Dell E20S - page 160

    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. Check system logs. SEC0033 Message The chassis is open while the power is off. LCD ...

  • Dell E20S - page 161

    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. Details Ambient air temperature is too cool. Action Check the system o ...

  • Dell E20S - page 162

    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. 3. If the issue persists, see Getting Help . Warning Messages A warning message alerts you to a possible problem and prompts you to respond before the system continues a t ...

  • Dell E20S - page 163

    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. Availability varies by country and product, and some services may not be availab ...

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Documents that we receive from a manufacturer of a Dell E20S can be divided into several groups. They are, among others:
- Dell technical drawings
- E20S manuals
- Dell product data sheets
- information booklets
- or energy labels Dell E20S
All of them are important, but the most important information from the point of view of use of the device are in the user manual Dell E20S.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Dell E20S, service manual, brief instructions and user manuals Dell E20S. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Dell E20S.

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A complete manual for the device Dell E20S, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Dell E20S by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Dell E20S.

A complete Dell manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Dell E20S - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Dell E20S, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Dell E20S, that we can find in the current document
3. Tips how to use the basic functions of the device Dell E20S - which should help us in our first steps of using Dell E20S
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Dell E20S
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Dell E20S in a specific country, if it was not possible to solve the problem on our own.

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