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Dell Precision 7920 Rack Owner's Manual
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Dell Precision 7920 Rack Owner's Manual

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Dell Precision 7920 Rack
Owner's Manual
Regulatory Model: E38S
Regulatory Type: E38S001

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Summary of Contents for Dell Precision 7920 Rack

  • Page 1 Dell Precision 7920 Rack Owner's Manual Regulatory Model: E38S Regulatory Type: E38S001...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Viewing Home screen..............................11 Setup menu................................. 12 View menu................................... 12 3 Product Overview............................13 System information label..............................13 Precision 7920 Rack – Front system information label..................13 Precision 7920 Rack – Service information......................14 4 Removing and installing components......................15 Product Positioning................................15 Recommended tools.................................16 Need to know..................................16...
  • Page 4 Accessing system information by using QRL........................ 81 Quick Resource Locator for 7920R.......................... 81 5 Technology and components........................82 iDRAC9....................................82 iDRAC 9 - New features............................82 Dell Lifecycle Controller..............................83 iDRAC9 with Lifecycle Controller..........................83 Benefits of using iDRAC with Lifecycle Controller....................83 Key features................................84 Starting Lifecycle Controller............................. 84 Processors..................................
  • Page 5 System battery specifications..........................112 Expansion bus specifications........................... 112 Memory specifications..............................112 Ports and connectors specifications........................113 Video specifications..............................114 Environmental specifications........................... 114 7 Troubleshooting your system........................117 Safety first — for you and your system........................117 Using system diagnostics............................... 117 Dell Embedded System Diagnostics........................117 Contents...

  • Page 6: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 7: After Working Inside Your Computer

    Remove the system cover. After working inside your computer About this task After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your computer. Steps Replace the cover. If applicable, install the system into the rack. Reconnect the peripherals and connect the system to the electrical outlet.

  • Page 8: Chassis View

    Chassis View Front chassis view System Status Indicator System health and system ID iDRAC Quick Sync 2 wireless indicator Hard drive (x8) USB 3.0 connector Optical-drive (optional) USB 2.0 connector Power button/Power light VGA connector USB management port/iDRAC Direct USB 2.0 connector Chassis View...

  • Page 9: Back Chassis View

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.

  • Page 10: Lcd Panel

    The LCD panel can be used to configure or view the system’s iDRAC IP address. For more information about error messages, see the Dell Event and Error Messages Reference Guide at Dell.com/openmanagemanuals > OpenManage software. The LCD panel is available only on the optional LCD bezel. The optional LCD bezel is hot pluggable.

  • Page 11: Viewing Home Screen

    The statuses and conditions of the LCD panel are outlined here: • The LCD backlight is white during normal operating conditions. • When the system needs attention, the LCD backlight turns amber, and displays an error code followed by descriptive text. NOTE: If the system is connected to a power source and an error is detected, the LCD turns amber regardless of whether the system is turned on or off.

  • Page 12: Setup Menu

    LCD message with an SEL entry. Select Simple to view LCD error messages in a simplified user-friendly description. For more information about error messages, see the Dell Event and Error Messages Reference Guide at Dell.com/openmanagemanuals > OpenManage software.

  • Page 13: Product Overview

    Product Overview The following pages contain information about Dell Precision 7920 Rack product overview. System information label Precision 7920 Rack – Front system information label Figure 3. LED Behavior, Express Service Tag, Configuration and Layout Product Overview...

  • Page 14: Precision 7920 Rack - Service Information

    Precision 7920 Rack – Service information Figure 4. System touchpoint, electrical overview, jumper settings and memory information Product Overview...

  • Page 15: Removing And Installing Components

    Product Positioning The Precision 7920 Rack is a general-purpose platform with highly expandable memory (up to 1536 GB), massive storage capacity and impressive I/O capability to match. The Precision 7920 Rack adds extraordinary storage capacity options, making it well-suited for data intensive applications that require greater storage, while not sacrificing I/O performance.

  • Page 16: Recommended Tools

    Recommended tools Table 2. Recommended tools and optional tools Recommended tools Optional tools • Key to the system keylock • Needle-nose pliers to disconnect cables and connectors in hard- to-reach locations • #1 and #2 Phillips screwdriver • Small flat-head screwdriver to disconnect small cables from •...
  • Page 17 The recommended action to remedy the event described. The response action can vary based on the specific platform. Category Dell Lifecycle Controller log filter used to select a subset of messages from different domains or agents. Subcategory Additional filter to further subset the event.

  • Page 18: Startup-Shutdown Sequence

    For more information on the list of error and event messages, see the Dell Event Messages Reference Guide Startup-Shutdown sequence NOTE: Precision 7920 Rack BIOS is pure UEFI with a legacy compatibility layer. This layer is called the Compatibility Support Module. New POST display The following are the POST display enhancements: •...

  • Page 19: Diagnostics And Indicators

    Diagnostics and indicators The following pages contain the information about diagnostics and indicators for Precision 7920 Rack. Chassis LEDs The following pages contain the information about the chassis LEDs. Status LED indicators NOTE: The diagnostic indicators are not present if the system is equipped with an LCD display.

  • Page 20: Hard Drive Indicator Codes

    Icon Description Condition Corrective action module. If the problem persists, see the Getting help section. PCIe indicator The indicator turns solid amber if a Restart the system. Update any required drivers for the PCIe card experiences an error. PCIe card. Reinstall the card. If the problem persists, see the Getting help section.

  • Page 21: Nic Indicator Codes

    Hard drive status indicator code Condition Flashes green, amber, and then turns off Predicted drive failure. Flashes amber four times per second Drive failed. Flashes green slowly Drive rebuilding. Solid green Drive online. Flashes green for three seconds, amber for three seconds, and Rebuild stopped.

  • Page 22: Idrac Direct Led Indicator Codes

    Figure 7. AC PSU status indicator AC PSU status indicator/handle Table 7. AC PSU status indicator codes Power indicator codes Condition Green A valid power source is connected to the PSU and the PSU is operational. Blinking amber Indicates a problem with the PSU. Not illuminated Power is not connected to the PSU.

  • Page 23: Idrac Quick Sync 2 Indicator Codes

    Check if iDRAC Quick Sync 2 feature is configured to then turns off feature is disabled. be disabled by iDRAC. If the problem persists, see the Getting help section. For more information, see Integrated Dell Remote Access Controller User's Guide at Dell.com/idracmanuals or Dell Removing and installing components...

  • Page 24: Enhanced Preboot System Assessment

    Enhanced Preboot System Assessment 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 more equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
  • Page 25 Close the Embedded System Diagnostics utility. To leave the diagnostics, click Exit. Click OK when prompted, and the system reboots. Running the Embedded System Diagnostics from the Dell Lifecycle Controller To run the embedded system diagnostics from the Dell Lifecycle Controller: Removing and installing components...

  • Page 26: Jumpers And Connectors

    As the system boots, press F10. Select Hardware Diagnostics → Run Hardware Diagnostics. Jumpers and connectors This topic provides specific information about the jumpers. It also provides some basic information about jumpers and switches and describes the connectors on the various boards in the system. Jumpers on the system board help to disable the system and setup passwords.

  • Page 27: System Board Jumpers And Connectors

    System board jumpers and connectors Figure 10. System board jumpers and connectors Table 10. System board jumpers and connectors Item Connector Description J_ODD Optical drive power connector A7, A1, A8, A2, A9, A3 Memory module sockets J_FAN2U_6 Cooling fan 6 connector J_BP3 Backplane 3 power connector J_FAN2U_5...

  • Page 28: System Board Jumper Settings

    Item Connector Description B7, B1, B8, B2, B9, B3 Memory module sockets J_FAN2U_3 Cooling fan 3 connector J_FAN2U_2 Cooling fan 2 connector J_BP_SIG1 Backplane 1 signal connector B6, B12, B5, B11, B4, B10 Memory module sockets J_BP1 Backplane 1 power connector J_FAN2U_1 Cooling fan 1 connector P_LFT_CP...

  • Page 29: Disabling Forgotten Password

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.

  • Page 30: Disassembly And Reassembly

    Disassembly and reassembly The following sections contain the procedures for removing and replacing system components. Front Bezel Removing the optional front bezel Locate and remove the bezel key. NOTE: The bezel key is attached to the LCD bezel package. Unlock the bezel by using the key. Press the release button to release the bezel, and pull the left end of the bezel.

  • Page 31: System Cover

    System cover Removing system cover Prerequisites Turn off the system, including any attached peripherals. Disconnect the system from the electrical outlet and disconnect the peripherals. Steps Using a flat head screwdriver, rotate the latch release lock counter clockwise to the unlocked position. Lift the latch till the system cover slides back and the tabs on the system cover disengage from the slots on the system.

  • Page 32: Optical Drive

    Turn on the system, including any attached peripherals. Optical drive Removing optical drive Prerequisites If installed, remove the front bezel. Remove the system cover. Steps Disconnect the optical drive cable from the optical drive. Press the blue latch and slide the optical drive from the system. Next step Install the optical drive.

  • Page 33: Air Shroud

    Air shroud Removing air shroud Prerequisites CAUTION: Never operate your system with the air shroud removed. The system may get overheated quickly, resulting in shutdown of the system and loss of data. If installed, remove the full length PCIe cards. If applicable, remove the GPU cards.

  • Page 34: Cooling Fan Assembly

    If applicable, install the GPU cards. Cooling fan assembly Removing cooling fan assembly Lift the release levers to unlock the cooling fan assembly from the system. Hold the release levers and lift the cooling fan assembly away of the system. Installing cooling fan assembly Align the guide rails on the cooling fan assembly with the standoffs on the system.

  • Page 35: Intrusion Switch

    CAUTION: The cooling fans are hot swappable. To maintain proper cooling while the system is on, replace only one fan at a time. Step Press the release tab and lift the cooling fan out of the cooling fan assembly. Installing cooling fan Holding the release tab, align the connector at the base of the cooling fan with the connector on the system board.

  • Page 36: Hard Drive

    Installing intrusion switch Steps Align the tabs on the intrusion switch with the slots on the cooling fan assembly. Pull the intrusion switch up and push it until the switch locks in place. Next step Install the cooling fan assembly. Hard drive Removing hard drive blank Prerequisite...
  • Page 37 Installing hard drive blank Step Insert the hard drive blank into the hard drive slot and push until the release button clicks into place. Next step If removed, install the front bezel. Removing hard drive Prerequisites If applicable, remove the front bezel. Using the management software, prepare the hard drive for removal.

  • Page 38: Installing Hard Drive

    Next step Install the hard drive. NOTE: If you are not replacing the hard drive immediately, insert a hard drive blank in the empty hard drive slot. Installing hard drive Prerequisites CAUTION: When installing a hard drive, ensure that the adjacent drives are fully installed. Inserting a hard drive carrier and attempting to lock its handle next to a partially installed carrier can damage the partially installed carrier's shield spring and make it unusable.
  • Page 39 Figure 11. Installing hard drive Next step If applicable, install the front bezel. Removing 3.5 inch hard drive from hard drive carrier Steps Using Phillips #1 screwdriver, remove the screws from the slide rails on the hard drive carrier. Lift the hard drive out of the hard drive carrier. Next step Install hard drive into the hard drive carrier.
  • Page 40 Installing 3.5 inch hard drive into hard drive carrier Insert the hard drive into the hard drive carrier with the connector end of the hard drive toward the back of the carrier. Align the screw holes on the hard drive with the screws holes on the hard drive carrier. When aligned correctly, the back of the hard drive is flush with the back of the hard drive carrier.
  • Page 41 Next step Install the hard drive. NOTE: If you are not replacing the hard drive immediately, insert a hard drive blank in the empty hard drive slot. Installing 2.5 inch hard drive Prerequisites CAUTION: When installing a hard drive, ensure that the adjacent drives are fully installed. Inserting a hard drive carrier and attempting to lock its handle next to a partially installed carrier can damage the partially installed carrier's shield spring and make it unusable.
  • Page 42 Figure 12. Installing hard drive Next step If applicable, install the front bezel. Removing 2.5 inch hard drive from 3.5 inch hard drive carrier Steps Using Phillips #1 screwdriver, remove the screws from the slide rails on the 3.5 inch hard drive carrier and lift the hard drive. Removing and installing components...
  • Page 43 Remove the screws that secures 2.5 inch hard drive to the hard drive assembly and remove the hard drive. Next step Install hard drive into the hard drive carrier. Installing 2.5 inch hard drive into 3.5 inch hard drive carrier Insert the 2.5 inch hard drive into the hard drive carrier and tighten the screws.

  • Page 44: Memory Modules

    Place the 2.5 inch hard drive into the 3.5 inch hard drive carrier. Align the screw holes on the hard drive with the screws holes on the hard drive carrier. Memory modules Removing memory modules Prerequisites If applicable, remove the air shroud. Removing and installing components...

  • Page 45: Installing Memory Modules

    WARNING: Allow the memory modules to cool after you power off the system. Handle the memory modules by the card edges and avoid touching the components or metallic contacts on the memory module. CAUTION: To ensure proper system cooling, memory module blanks must be installed in any memory socket that is not occupied. Remove memory module blanks only if you intend to install memory modules in those sockets.

  • Page 46: Processors And Heat Sinks

    Processors and heat sinks Removing processor and heat sink module Using Torx #T30 screwdriver, loosen the screws. NOTE: Ensure that the screw is completely loosened before moving on to the next screw. Pushing both retention clips simultaneously, lift the processor heat sink module out of the system Set the module aside with processor side facing up.
  • Page 47 Lift the bracket and the processor away from the heat sink, and place the processor connector side down on the processor tray. Flex the outer edges of the bracket to release the processor from the bracket. NOTE: Ensure that the processor and the bracket are placed in the tray after you remove the heat sink. Installing processor into processor heat sink module Steps Place the processor in the processor tray.
  • Page 48 Figure 14. Installing the processor bracket If you are using an existing heat sink, remove the thermal grease from the heat sink by using a clean lint-free cloth. Use the thermal grease syringe included with your processor kit to apply the grease in a spiral quadrilateral design on the top of the processor.
  • Page 49 NOTE: • Ensure that the two guide pin holes on the bracket match the guide holes on the heat sink. Next steps Install the processor and heat sink module. Install air shroud. Installing processor and heat sink module Align the pin 1 indicator of the heat sink to the system board and then place the processor and heat sink module on the processor socket.

  • Page 50: Expansion Card

    Figure 16. Installing the processor and heat sink module (2U) Expansion card Removing expansion card from expansion card riser Prerequisite If applicable, disconnect the cables from the expansion card. Steps Lift the expansion card latch out of the slot. Hold the expansion card by its edges, and pull the card until the card edge connector disengages from the expansion card connector on the riser.
  • Page 51 Figure 17. Removing expansion card from expansion card riser 1 Figure 18. Removing expansion card from expansion card riser 2 Removing and installing components...
  • Page 52 Figure 19. Removing expansion card from expansion card riser 3 If you are removing the card permanently, install a metal filler bracket over the empty expansion slot opening and close the expansion card latch. NOTE: You must install a filler bracket over an empty expansion card slot to maintain Federal Communications Commission (FCC) certification of the system.
  • Page 53 Steps To open the PCIe card holder latch, press the release tab. To close the PCIe card holder latch, rotate the latch until it locks. Removing expansion card riser 1 Prerequisites If installed, remove expansion cards from the riser. Disconnect any cables connected to the riser card. About this task NOTE: If installing a replacement expansion card riser 1 make sure the VROC key is transfered from the old card to the new card.
  • Page 54 Steps Pull the expansion card latch out of the slot. Hold the expansion card by its edges, and pull the card until the card edge connector disengages from the expansion card connector on the riser. Removing and installing components...
  • Page 55 Figure 20. Removing expansion card riser 1 Installing expansion card riser 1 About this task NOTE: If installing a replacement expansion card riser 1 make sure the VROC key is transfered from the old card to the new card. Steps Align the guide rails on the riser with the standoffs on the side of the system.
  • Page 56 b Press the release tab, and holding the riser by its edges, lift the riser from the riser connector on the system board. Figure 21. Removing expansion card riser 2A Remove the expansion card riser. Installing expansion card riser 2 Step To install expansion card riser 2A: Align the screw and tab on the riser with the screw hole and slot on the system.

  • Page 57: Vflash Card - Optional

    Figure 22. Removing expansion card riser 3 Installing expansion card riser 3 Steps Align the following: Tab on the riser with the slot on the system and guide rails on the riser with the standoffs on the side of the system. b Lower the riser into the system until the riser edge connector engages with the connector on the system board.

  • Page 58: Network Daughter Card

    NOTE: Temporarily label each micro SD card with its corresponding slot number after removal Steps Locate the vFlash connector on the system board. To locate vFlash , see the System board jumpers and connectors section. Holding the pull tab, lift the vFlash card out of the system. Installing vFlash card Steps Locate the vFlash connector on the system board.

  • Page 59: Hard Drive Backplane

    Installing network daughter card Steps Orient the NDC so that the Ethernet connectors fit through the slot in the back panel. Align the captive screws at the back-end of the card with the screw holes on the system board. Press the touch points on the card until the card connector is firmly seated on the system board connector. Using a Phillips #2 screwdriver, tighten the captive screws to secure the NDC to the system board.

  • Page 60: Front Usb Module

    Figure 23. Removing hard drive backplane Installing hard drive backplane Steps Use the hooks on the system as guides to align the hard drive backplane. Lower the hard drive backplane until the release tabs snap into place. If applicable, tighten the captive screws on the backplane. Next steps Connect all the cables to the backplane.

  • Page 61: Internal Usb Memory Key (Optional)

    Installing front USB module Steps Place the front USB module in the slot on the system. Connect and slide the USB module cable and tighten the screw. Route the cable through the routing channel. Next steps Install the system cover. Install the front bezel.
  • Page 62 CAUTION: To ensure proper system cooling, the PSU blank must be installed in the second PSU bay in a non-redundant configuration. Remove the PSU blank only if you are installing a second PSU. Installing power supply unit blank Install the power supply unit (PSU) blank only in the second PSU bay. Align the PSU blank with the PSU slot and push it into the PSU slot until it clicks into place.

  • Page 63: System Board

    Installing AC power supply unit Step Slide the PSU into the system until the PSU is fully seated and the release latch snaps into place. Next step Connect the power cable to the PSU, and plug the cable into a power outlet. CAUTION: When connecting the power cable to the PSU, secure the cable to the PSU with the strap.
  • Page 64 USB 3.0 module Internal USB key (if installed) Processor and heat sink module Processors and memory blank CAUTION: To prevent damage to the processor pins when replacing a faulty system board, ensure that you cover the processor socket with the processor protective cap. Memory modules Network daughter card Steps...

  • Page 65: Trusted Platform Module

    Service Tag page. Other configuration issues must also be done manually, for instance importing iDRAC License through iDRAC GUI Import your new or existing iDRAC Enterprise license. For more information, see Integrated Dell Remote Access Controller User's Guide, at Dell.com/esmmanuals.

  • Page 66: Control Panel

    Press the plastic rivet until the rivet snaps into place. Figure 24. Installing the TPM Next step Install the system board. Initializing TPM for BitLocker users Initialize the TPM. For more information, see http://technet.microsoft.com/en-us/library/cc753140.aspx. The TPM Status changes to Enabled, Activated. Initializing the TPM 1.2 for TXT users While booting your system, press F2 to enter System Setup.
  • Page 67 Steps Pull the cable latch and disconnect the control panel cable from the system board. Using Phillips #1 screwdriver, remove the screws(6) that secure the control panel and cable tube to the system. Holding the control panel and cable tube by its sides, remove the control panel and cable tube away from the system. Installing left control panel Steps Route the control panel cable through the side wall of the system.

  • Page 68: Updating Bios

    Installing right control panel Steps Route the control panel cable and VGA cable through the side wall of the system. Align the control panel with the control panel slot on the system and attach the control panel to the system. Connect the VGA cable to the system board.

  • Page 69: Manually Update The Service Tag

    You can enter the service tag only when the Service Tag field is empty. Ensure that you enter the correct service tag. Once the service tag is entered, it cannot be updated or changed. Click OK. Installation Installing the Precision 7920 Rack requires information about the following topics: • Rack Rails •...
  • Page 70 The static rails support a wider variety of racks than the sliding rails. However, they do not support serviceability in the rack and are thus not compatible with the CMA. One key factor in selecting the proper rails is identifying the type of rack in which they will be installed. Both the sliding rails and the static rails support tool-less mounting in 19”wide, EIA-310-E-compliant square hole and unthreaded round hole 4-post racks.
  • Page 71 Table 12. Sliding and Static Rails Rail Mounting Rail type Supported rack types identifi interface 4-Post 2-Post Square Round Thread Flush Center Ready Rails II Sliding √ √ √ Ready Rails Static √ √ √ √ √ NOTE: Screws are not included in either kit due to the fact that threaded racks are offered with a variety of thread designations. Users must therefore provide their own screws when mounting the rails in threaded racks.

  • Page 72: Rack Installation

    Rack Installation NOTE: The 2U system requires two people for installation due to its heavier weight. Installing the system into the rack (option A: Drop-In) The sliding rails are a "drop-in" design. This means that the system is installed vertically into the rails by inserting the standoffs on the sides of the system into the "J-slots"...
  • Page 73 Figure 25. Pull out inner rail Locate the rear rail standoff on each side of the system and lower them into the rear J-slots on the slide assemblies. Rotate the system downward until all the rail standoffs are seated in the J-slots. Removing and installing components...
  • Page 74 Figure 26. Rail standoffs seated in J-slots Push the system inward until the lock levers click into place Pull the blue slide release lock tabs forward on both rails and slide the system into the rack until the system is in the rack. Removing and installing components...
  • Page 75 Figure 27. Slide system into the rack Installing the system into the rack (option B: Stab-In) The static rails are a "stab-in" design. This means that the inner (chassis) rail members must first be attached to the sides of the system and then inserted into the outer (cabinet) members installed in the rack.
  • Page 76 Figure 28. Pull out the intermediate rail Table 14. Rail component Rail component Intermediate rail Inner rail Attach the inner rails to the sides of the system by aligning the J-slots on the rail with the standoffs on the system and sliding forward on the system until they lock into place.
  • Page 77 Figure 29. Attach the inner rails to the system With the intermediate rails extended, install the system into the extended rails. Removing and installing components...
  • Page 78 Figure 30. Install system into the extended rails Pull the blue slide release lock tabs forward on both the rails ,and slide the system into the rack. Removing and installing components...

  • Page 79: Initialization

    Turn on the attached peripherals. Methods of setting up and configuring the iDRAC IP address You can set up the Integrated Dell Remote Access Controller (iDRAC) IP address by using one of the following interfaces: iDRAC Settings utility Lifecycle Controller...

  • Page 80: Basic Configuration

    Remote Access Controller ADMin (RACADM) Remote Services that include Web Services Management -WSMAN For more information on setting up and configuring iDRAC, see the Integrated Dell Remote Access Control User's Guide at Dell.com/ idracmanuals. Information about logging in to iDRAC You can log in to iDRAC as an iDRAC local user, as a Microsoft Active Directory user, or as a Lightweight Directory Access Protocol (LDAP) user.

  • Page 81: Accessing System Information By Using Qrl

    Steps Go to Dell.com/QRL and navigate to your specific product or Use your smartphone or tablet to scan the model-specific Quick Resource (QR) code on your Dell system or in the Quick Resource Locator section. Quick Resource Locator for 7920R...

  • Page 82: Technology And Components

    Lifecycle Controller technology is part of a larger data center solution that helps keep business critical applications and workloads available always. The technology allows administrators to deploy, monitor, manage, configure, update, troubleshoot and remediate Dell system from any location, and without the use of agents. It accomplishes this regardless of operating system or hypervisor presence or state.

  • Page 83: Dell Lifecycle Controller

    Dell Lifecycle Controller provides advanced embedded systems management to perform systems management tasks such as deploy, configure, update, maintain, and diagnose by using a graphical user interface (GUI). It is delivered as part of integrated Dell Remote Access Controller (iDRAC) out-of-band solution and embedded Unified Extensible Firmware Interface (UEFI) applications in the latest Dell systems.

  • Page 84: Key Features

    Processors The Precision 7920 Rack systems feature the Intel Xeon scalable processor family(Skylake-SP) offers versatility across diverse workloads. These processors are designed for next-generation data centers running on, software defined infrastructure supercharged for efficiency, performance, and agile services delivery across cloud-native and traditional applications. The Intel Xeon scalable processor family support workloads for cloud, high-performance computing, networking, and also storage for data centers.

  • Page 85: Processor Features

    Intel® Advanced Vector Extensions 512 (Intel® AVX-512) with a single AVX512 fused multiply-add (FMA) execution units. processors which support Advanced RAS enable a 2nd FMA execution unit. Supported Processors Table 15. Supported Processors for Precision 7920 Rack Model Intel SKU...
  • Page 86 Model Intel SKU SKU type Dell DPN Speed(GH Cache(M QPI(GT/s) Max Cores Turbo Memory Speed(M T/s) Intel Xeon 6134 Gold NFXK9 24.75 10.4 2400 Turbo 130W Scalable Processor Intel Xeon 6128 Gold M6PT0 19.25 10.4 2400 Turbo 115W Scalable Processor...

  • Page 87: Chipset

    Single CPU Configuration The Precision 7920 Rack will function normally if there is just a single processor placed in the CPU1 socket . However, CPU and memory blank associated with CPU2 are required to be populated for thermal reasons. The system will not boot if only CPU2 socket is populated.

  • Page 88: System Memory

    • General Purpose Input Output (GPIO) • Low Pin Count interface, interrupt controller, and timer functions • System Management Bus Specification, Version 2.0 • Integrated Clock Controller / Real Time Clock Controller • Intel® High Definition Audio and Intel® Smart Sound Technology •...

  • Page 89: General Memory Module Installation Guidelines

    Populate six memory modules per processor (one DIMM per channel) at a time to maximize performance. Memory The Precision 7920 Rack supports up to 24 DIMMs, with up to 1536GB of memory and speeds of up to 2666MT/s. Technology and components...

  • Page 90: Dimms Supported

    Memory Speed The Precision 7920 Rack supports memory speeds of 2666 MT/s, 2400 MT/s, and 2133 MT/s depending on the DIMM types installed and the configuration. All memory on all processors and channels run at the same speed and voltage. By default, this speed will be the highest speed supported by the CPU and the DIMMs.

  • Page 91: Lcd Panel

    The LCD panel can be used to configure or view the system’s iDRAC IP address. For more information about error messages, see the Dell Event and Error Messages Reference Guide at Dell.com/openmanagemanuals > OpenManage software. The LCD panel is available only on the optional LCD bezel. The optional LCD bezel is hot pluggable.

  • Page 92: Setup Menu

    LCD message with an SEL entry. Select Simple to view LCD error messages in a simplified user-friendly description. For more information about error messages, see the Dell Event and Error Messages Reference Guide at Dell.com/openmanagemanuals > OpenManage software.

  • Page 93: Expansion Card Installation Guidelines

    Expansion card installation guidelines Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported: Table 22. Expansion card riser specifications Expansion card PCIe slots on the Processor Height Length Link Slot width riser riser connection Riser 1C Slot 1...

  • Page 94: Storage

    No Teradici P25 or P45 in slot 3 Storage The Precision 7920 Rack provide scalable storage that allows you to adapt to your workload and operational demands. The Precision 7920 Rack offers storage expansion with the front hard drive cage.

  • Page 95: Power Supply Units

    If the load on the active PSU falls below 20 percent of PSU rated power wattage, then the redundant PSU is switched to the sleep state. You can configure the hot spare feature by using the iDRAC settings. For more information, see the iDRAC User’s Guide available at Dell.com/idracmanuals. Technology and components...

  • Page 96: Trusted Platform Module

    NOTE: In a scenario where both the control panel and system board are dispatched, Dell recommends you to replace the control panel first and try to turn on the system to complete the Easy Restore process (Service Tag, licenses, copy to the new control panel).

  • Page 97: Bios And Uefi

    System Setup By using the System Setup screen, you can configure the BIOS settings, iDRAC settings, and device settings of your system. These settings have already been preconfigured per solution requirements. Contact Dell before you change these settings. NOTE: Help text for the selected field is displayed in the graphical browser by default. To view the help text in the text browser, press F1.

  • Page 98: System Setup Main Menu

    The iDRAC Settings utility is an interface to set up and configure the iDRAC parameters using UEFI. You can enable or disable various iDRAC parameters by using the iDRAC Settings utility. For more information about this utility, see the Integrated Dell Remote Access Controller User’s Guide at dell.com/esmmanuals. Device Settings Enables you to configure device settings.

  • Page 99: System Information Screen Details

    System information screen details You can use the System Information screen allows to view system properties such as Service Tag, system model, and BIOS version. You can view the System Information screen by clicking System Setup Main Menu > System BIOS > System Information. The System Information screen details are explained as follows: Menu Item Description...

  • Page 100: Processor Settings Screen Details

    NOTE: The Dell Fault Resilient Mode establishes an area of memory that is fault resilient. This mode can be used by an operating system that supports the feature to load critical applications or enables the operating system kernel to maximize system availability.

  • Page 101: Sata Settings Screen Details

    Menu Item Description Processor Core Displays the maximum core frequency of the processor. Speed Processor 1 NOTE: Depending on the number of installed CPUs, there may be up to four processor listings. The following settings are displayed for each processor installed in the system. Family-Model- Displays the family, model and stepping of the processor as defined by Intel.
  • Page 102 Menu Item Description Model Displays the drive model of the selected device. Drive Type Displays the type of drive attached to the SATA port. Capacity Displays the total capacity of the hard drive. The field is undefined for removable media devices such as optical drives.

  • Page 103: Boot Settings Screen Details

    Menu Item Description Capacity Displays the total capacity of the hard drive. The field is undefined for removable media devices such as optical drives. Port L Sets the drive type of the selected device. Model Displays the drive model of the selected device. Drive Type Displays the type of drive attached to the SATA port.

  • Page 104: Network Settings Screen Details

    Network settings screen details You can use the Network Settings screen to set the Boot mode from UEFI. It also allows you to specify the boot order. You can view the Network Settings screen by clicking System Setup Main Menu > System BIOS > Network Settings. The Network Settings screen details are explained as follows: Menu Item Description...
  • Page 105 The Integrated Devices screen details are explained below. Menu Item Description User Accessible Enables or disables the USB ports. Selecting Only Back Ports On disables the front USB ports, selecting All Ports USB Ports Off disables all USB ports, selecting All Ports Off (Dynamic) disables all USB ports during P.O.S.T. The USB keyboard and mouse operates during boot process in certain operating systems.
  • Page 106 Menu Item Description • Enabled (default) • Disabled • Boot Driver Disabled Slot 2 Boot Driver • Enabled (default) • Disabled • Boot Driver Disabled Slot 3 Boot Driver • Enabled (default) • Disabled • Boot Driver Disabled Slot 4 Boot Driver •...

  • Page 107: Serial Communication Screen Details

    Serial Communication screen details You can use the Serial Communication screen to view the properties of the serial communication port. You can view the Serial Communication screen by clicking System Setup Main Menu > System BIOS > Serial Communication. The Serial Communication screen details are explained below. Menu Item Description Serial...

  • Page 108: System Security Settings Screen Details

    Menu Item Description Enables or disables the processor to switch to a minimum performance state when it is idle. By default, the C1E option is set to Disabled. C States Enables or disables the processor to operate in all available power states. By default, the C States option is set to Enabled.
  • Page 109 Menu Item Description System Password Sets the system password. This option is set to Enabled by default and is read-only if the password jumper is not installed in the system. Setup Password Sets the setup password. This option is read-only if the password jumper is not installed in the system. Password Status Locks the system password.

  • Page 110: Miscellaneous Settings Screen Details

    The technical and environmental specifications of your system are outlined in this section. System dimensions Table 26. Dimensions System Za (with Za (without bezel) bezel) Precision 7920 Rack 482.0 mm 434.0 mm 86.8 mm 35.84 mm 22.0 mm 678.8 mm 715.5 mm (3.42 inches)

  • Page 111: Chassis Weight

    3.5 inch hard drive systems 28.6 kg (63.05 lb) Processor specifications The Precision 7920 Rack system supports up to two Intel Xeon scalable family processors. PSU specifications The Precision 7920 Rack system supports up to two AC power supply units (PSUs).

  • Page 112: System Battery Specifications

    Expansion bus specifications The Precision 7920 Rack system supports up to eight PCI express (PCIe) generation 3 expansion cards, that can be installed on the system board using expansion card risers. The following table provides detailed information about the expansion card riser specifications: Table 29.

  • Page 113: Ports And Connectors Specifications

    • Two USB 3.0-complaint ports on the back panel NIC ports The Precision 7920 Rack system supports up to four Network Interface Controller (NIC) ports on the back panel, which are available in the following configurations: • Four RJ-45 ports that support different combinations of 1Gbps and 10Gbps •...

  • Page 114: Video Specifications

    Internal Dual SD module vFlash card The Precision 7920 Rack system supports vFlash card. Video specifications The Precision 7920 Rack system supports integrated Matrox G200eW3 graphics controller with 16 MB of video frame buffer. Table 31. Supported video resolution options Resolution...
  • Page 115 Table 33. Relative humidity specifications Relative humidity Specifications Storage 5% to 95% RH with 33°C (91°F) maximum dew point. Atmosphere must be non-condensing at all times. Operating 10% to 80% relative humidity with 29°C (84.2°F) maximum dew point. Table 34. Maximum vibration specifications Maximum vibration Specifications Operating...
  • Page 116 Table 38. Particulate contamination specifications Particulate contamination Specifications Air filtration Data center air filtration as defined by ISO Class 8 per ISO 14644-1 with a 95% upper confidence limit. NOTE: The ISO Class 8 condition applies to data center environments only. This air filtration requirement does not apply to IT equipment designed to be used outside a data center, in environments such as an office or factory floor.

  • Page 117: Troubleshooting Your System

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that are shipped with your product.

  • Page 118: System Diagnostic Controls

    Running the Embedded System Diagnostics from the Dell Lifecycle Controller As the system boots, press F10. Select Hardware Diagnostics → Run Hardware Diagnostics. 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.

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