Dell Precision 7920 Rack User Manual
Dell Precision 7920 Rack
Owner's Manual
Reg ula tor y M ode l: E38 S
Reg ula tor y T ype : E 38S 001
Nov emb er 202 0
Rev . A 02
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
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.
© 2018 2020 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.
Contents
Chapter 1: Working on your computer........................................................................................... 6
Safety instructions.............................................................................................................................................................. 6
Before working inside your computer.............................................................................................................................6
After working inside your computer................................................................................................................................7
Chapter 2: Chassis View................................................................................................................ 8
Front chassis view...............................................................................................................................................................8
Back chassis view................................................................................................................................................................9
Inside the system.................................................................................................................................................................9
LCD panel.............................................................................................................................................................................10
Viewing Home screen.................................................................................................................................................. 11
Setup menu.................................................................................................................................................................... 11
View menu......................................................................................................................................................................12
Chapter 3: Product Overview.......................................................................................................13
System information label..................................................................................................................................................13
Chapter 4: Disassembly and reassembly.......................................................................................14
Product Positioning........................................................................................................................................................... 14
Recommended tools..........................................................................................................................................................15
Need to know......................................................................................................................................................................15
Common error messages............................................................................................................................................15
Startup-Shutdown sequence.....................................................................................................................................17
Diagnostics and indicators............................................................................................................................................... 17
Chassis LEDs.......................................................................................................................................................................17
Status LED indicators..................................................................................................................................................17
Hard drive indicator codes......................................................................................................................................... 19
NIC indicator codes.....................................................................................................................................................20
Power supply unit indicator codes.......................................................................................................................... 20
iDRAC Direct LED indicator codes........................................................................................................................... 21
iDRAC Quick Sync 2 indicator codes......................................................................................................................22
Enhanced Preboot System Assessment................................................................................................................ 23
Jumpers and connectors ................................................................................................................................................25
System board jumpers and connectors..................................................................................................................26
System board jumper settings..................................................................................................................................27
Disabling forgotten password...................................................................................................................................28
Disassembly and reassembly...........................................................................................................................................28
Front Bezel....................................................................................................................................................................28
System cover................................................................................................................................................................29
Optical drive..................................................................................................................................................................30
Air shroud....................................................................................................................................................................... 31
Cooling fan assembly.................................................................................................................................................. 32
Cooling fans.................................................................................................................................................................. 33
Intrusion switch............................................................................................................................................................34
Contents 3
Hard drive......................................................................................................................................................................35
Memory modules......................................................................................................................................................... 43
Processors and heat sinks.........................................................................................................................................45
Expansion card............................................................................................................................................................. 49
vFlash card – optional................................................................................................................................................56
Network daughter card..............................................................................................................................................57
Hard drive backplane.................................................................................................................................................. 57
Front USB module.......................................................................................................................................................58
Internal USB memory key (optional)...................................................................................................................... 59
Power supply unit........................................................................................................................................................60
System board................................................................................................................................................................ 61
Trusted Platform Module.......................................................................................................................................... 63
Control panel ............................................................................................................................................................... 64
GPU Host Card Installation.............................................................................................................................................66
Alternate Riser Installation........................................................................................................................................ 66
Teradici Tera2220 Host Cards Installation............................................................................................................ 68
NVIDIA Quadro K4200 Graphics Cards Installation ............................................................................................73
Cabling Teradici Host Cards to GPUs.....................................................................................................................78
Updating BIOS ................................................................................................................................................................... 81
Restoring the Service Tag using Easy Restore ......................................................................................................... 81
Manually update the Service Tag ............................................................................................................................81
Installation............................................................................................................................................................................81
Rack Rails...................................................................................................................................................................... 82
Initialization................................................................................................................................................................... 90
Basic configuration...................................................................................................................................................... 91
Accessing system information by using QRL.............................................................................................................. 91
Quick Resource Locator for 7920R........................................................................................................................ 92
Chapter 5: Technology and components...................................................................................... 93
iDRAC9.................................................................................................................................................................................93
iDRAC 9 - New features............................................................................................................................................ 93
Dell Lifecycle Controller...................................................................................................................................................94
Processors.......................................................................................................................................................................... 95
Supported processors................................................................................................................................................ 96
Chipset............................................................................................................................................................................... 102
System memory............................................................................................................................................................... 102
General memory module installation guidelines.................................................................................................. 103
Memory........................................................................................................................................................................ 104
LCD panel.......................................................................................................................................................................... 105
Viewing Home screen............................................................................................................................................... 106
Setup menu................................................................................................................................................................. 106
View menu...................................................................................................................................................................106
Expansion cards and expansion card risers............................................................................................................... 107
Expansion card installation guidelines................................................................................................................... 107
Storage...............................................................................................................................................................................108
Power supply units..........................................................................................................................................................109
Hot spare feature...................................................................................................................................................... 109
Trusted platform module ............................................................................................................................................... 110
4
Contents
Chapter 6: BIOS and UEFI........................................................................................................... 111
Options to manage the pre-operating system applications.................................................................................... 111
System Setup.....................................................................................................................................................................111
Viewing System Setup............................................................................................................................................... 111
System Setup Main Menu........................................................................................................................................ 112
System BIOS screen.................................................................................................................................................. 112
System information screen details......................................................................................................................... 113
Memory settings screen details.............................................................................................................................. 113
Processor settings screen details...........................................................................................................................114
SATA settings screen details...................................................................................................................................115
Boot settings screen details.....................................................................................................................................117
Network settings screen details............................................................................................................................. 118
Integrated devices screen details........................................................................................................................... 119
Serial Communication screen details..................................................................................................................... 121
System profile settings screen details...................................................................................................................121
System security settings screen details............................................................................................................... 122
Miscellaneous settings screen details...................................................................................................................124
Technical specifications................................................................................................................................................. 124
System dimensions.................................................................................................................................................... 125
Chassis weight............................................................................................................................................................125
Processor specifications.......................................................................................................................................... 125
PSU specifications.....................................................................................................................................................126
System battery specifications................................................................................................................................ 126
Expansion bus specifications.................................................................................................................................. 126
Memory specifications..............................................................................................................................................127
Ports and connectors specifications..................................................................................................................... 127
Video specifications...................................................................................................................................................128
Environmental specifications.................................................................................................................................. 128
Chapter 7: Troubleshooting your system.................................................................................... 131
System diagnostics.......................................................................................................................................................... 131
Dell Embedded System Diagnostics....................................................................................................................... 131
Chapter 8: Getting help............................................................................................................. 133
Contacting Dell.................................................................................................................................................................133
Contents
5
Working on your computer
Topics:
• Safety instructions
Before working inside your computer
•
• After working inside your computer
Safety instructions
Prerequisites
Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless
otherwise noted, each procedure included in this document assumes that the following conditions exist:
● You have read the safety information that shipped with your computer.
A component can be replaced or, if purchased separately, installed by performing the removal procedure in reverse order.
●
About this task
NOTE:
Disconnect all power sources before opening the computer cover or panels. After you finish working inside the
computer, replace all covers, panels, and screws before connecting to the power source.
1
WARNING: Before working inside your computer, read the safety information that shipped with your computer.
For additional safety best practices information, see the Regulatory Compliance Homepage
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 warranty. Read and follow the safety instructions that came with the product.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically
touching an unpainted metal surface at the same time as touching a connector on the back of the computer.
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a
card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by
its pins.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some
cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking
tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending
any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and
aligned.
NOTE: The color of your computer and certain components may appear differently than shown in this document.
CAUTION: System will shut down if side covers are removed while the system is running. The system will not
power on if the side cover is removed.
Before working inside your computer
About this task
To avoid damaging your computer, perform the following steps before you begin working inside the computer.
6 Working on your computer
Steps
1. Ensure that you follow the Safety instructions.
2. Turn off the system, including any attached peripherals.
3. Disconnect the system from the electrical outlet and disconnect the peripherals.
4. If applicable, remove the system from the rack.
5. 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
1. Replace the cover.
2. If applicable, install the system into the rack.
3. Reconnect the peripherals and connect the system to the electrical outlet.
4. Turn on the system, including any attached peripherals.
Working on your computer 7
Topics:
• Front chassis view
Back chassis view
•
• Inside the system
• LCD panel
Front chassis view
2
Chassis View
1. System Status Indicator 2. System health and system ID
3. iDRAC Quick Sync 2 wireless indicator 4. Hard drive (x8)
5. USB 3.0 connector 6. Optical-drive (optional)
7. USB 2.0 connector 8. Power button/Power light
9. VGA connector 10. USB management port/iDRAC Direct
11. USB 2.0 connector
8 Chassis View
Back chassis view
1. PCIe expansion card slots 2. PCIe expansion card slots
3. PCIe expansion card slots 4. PCIe expansion card slots
5. Power supply (x2) 6. Network connectors (x4)
7. USB 3.0 connectors (x2) 8. VGA connector
9. Serial connector 10. iDRAC9 Enterprise Network connector
11. System identification connector 12. System identification button
Inside the system
NOTE:
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 warranty. Read and follow the safety
instructions that are shipped with your product.
Chassis View 9
Figure 1. Inside chassis view
1. hard drive backplane
2. cooling fan (6) in the cooling fan assembly
3. DIMM sockets
4. CPU DIMM blank
5. CPU 2
6. expansion card riser 3A
7. expansion card riser 2A
8. VFlash connector
9. system board
10. expansion card riser 1C
11. CPU 1
LCD panel
The LCD panel provides system information, status, and error messages to indicate if the system is functioning correctly or
requires attention. The LCD panel can also be used to configure or view the system’s iDRAC IP address. For information about
the event and error messages generated by the system firmware and agents that monitor system components, see the Error
Code Lookup page at qrl.dell.com.
The LCD panel is available only on the optional front bezel. The optional front bezel is hot pluggable.
The statuses and conditions of the LCD panel are outlined here:
● The LCD backlight is white during normal operating conditions.
10
Chassis View
● 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.
● When the system turns off and there are no errors, LCD enters the standby mode after five minutes of inactivity. Press any
button on the LCD to turn it on.
● If the LCD panel stops responding, remove the bezel and reinstall it.
If the problem persists, see Getting help section.
● The LCD backlight remains off if LCD messaging is turned off using the iDRAC utility, the LCD panel, or other tools.
Figure 2. LCD panel features
Table 1. LCD panel features
Item Button or
display
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.
4 LCD display Displays system information, status, and error messages or iDRAC IP address.
Description
During message scrolling:
● Press and hold the right button to increase scrolling speed.
● Release the button to stop.
NOTE: The display stops scrolling when the button is released. After 45 seconds of inactivity,
the display starts scrolling.
Viewing Home screen
The Home screen displays user-configurable information about the system. This screen is displayed during normal system
operation when there are no status messages or errors. When the system turns off and there are no errors, LCD enters the
standby mode after five minutes of inactivity. Press any button on the LCD to turn it on.
Steps
1. To view the Home screen, press one of the three navigation buttons (Select, Left, or Right).
2. To navigate to the Home screen from another menu, complete the following steps:
a. Press and hold the navigation button until the up arrow is displayed.
b. Navigate to the Home icon using the up arrow .
c. Select the Home icon.
d. On the Home screen, press the Select button to enter the main menu.
Setup menu
NOTE: When you select an option in the Setup menu, you must confirm the option before proceeding to the next action.
Chassis View 11
Option Description
iDRAC Select DHCP or Static IP to configure the network mode. If Static IP is selected, the available fields are
IP, Subnet (Sub), and Gateway (Gtw). Select Setup DNS to enable DNS and to view domain
addresses. Two separate DNS entries are available.
Set error Select SEL to view LCD error messages in a format that matches the IPMI description in the SEL. This
enables you to match an LCD message with an SEL entry.
Select Simple to view LCD error messages in a simplified user-friendly description.
Set home Select the default information to be displayed on the Home screen. See View menu section for 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 IP Displays the IPv4 or IPv6 addresses for iDRAC9. Addresses include DNS (Primary and Secondary),
Gateway, IP, and Subnet (IPv6 does not have Subnet).
MAC Displays the MAC addresses for iDRAC, iSCSI, or Network devices.
Name Displays the name of the Host, Model, or User String for the system.
Number Displays the Asset tag or the Service tag for the system.
Power Displays the power output of the system in BTU/hr or Watts. The display format can be configured in the
Set home submenu of the Setup menu.
Temperature Displays the temperature of the system in Celsius or Fahrenheit. The display format can be configured in
the Set home submenu of the Setup menu.
12 Chassis View
Product Overview
The following pages contain information about Dell Precision 7920 Rack product overview.
Topics:
• System information label
System information label
Precision 7920 Rack – Front system information label
3
Figure 3. LED Behavior, Express Service Tag, Configuration and Layout
Precision 7920 Rack – Service information
Figure 4. System touchpoint, electrical overview, jumper settings and memory information
Product Overview 13
Topics:
• Product Positioning
Recommended tools
•
• Need to know
• Diagnostics and indicators
• Chassis LEDs
• Jumpers and connectors
• Disassembly and reassembly
• GPU Host Card Installation
• Updating BIOS
• Restoring the Service Tag using Easy Restore
• Installation
• Accessing system information by using QRL
Product Positioning
4
Disassembly and reassembly
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.
● Performance
○ Two Intel Xeon Skylake Processor Scalable Family processors
○ Twenty four DIMM Slot supporting up total up to 1.5TB of memory
○ Support total up to eight hard drives.
● Availability
○ Redundant power supply units (PSUs)
○ Hot-plug and hot-swappable PSUs, hard disk drives, and fans
○ PERC9/PERC10/Chipset SATA.
○ Internal vFLASH card
○ iDRAC9 Express or Enterprise with Dell Lifecycle Controller
○ Optional iDRAC Quick Sync II
● Expandability, I/O Storage
○
Only 8x 3.5" SAS,SATA(front) hard drives
○ Up to eight optional NVMe Express Flash PCIe SSDs with two PCIe Zoom4 cards.
○ System Network Architecture (SNA): 4x 1GbE or 2x 10GbE + 2x 1GbE
○ Choice of RAID options for even higher performance
14 Disassembly and reassembly
Recommended tools
Table 2. Recommended tools and optional tools
Recommended tools Optional tools
● Key to the system keylock
● #1 and #2 Phillips screwdriver
● T30 and T8 Torx screwdrivers
● Wrist-grounding strap connected to the ground
● ESD Mat
● Needle-nose pliers to disconnect cables and connectors in
hard-to-reach locations
● Small flat-head screwdriver to disconnect small cables
from boards
Need to know
Before you begin servicing the system, you must read the following information:
● Critical callouts
● Common error codes
● Version control for BIOS/ Firmware/ Software
● Startup/Shutdown sequence
Common error messages
The Event Message Reference contains the error and event information generated by firmware and other agents that monitor
system components. These events might be logged, presented to the user on one of the system management consoles, or both
logged and displayed.
Each event consists of the following fields:
Disassembly and reassembly
15
Table 3. Common error messages
Event Message Fields
Item Description
Message ID The unique alphanumeric identifier for the event. This identifier can be up
to eight characters long and consist of two parts:
● Message ID Prefix — Up to four alphabetic characters.
● Message ID Sequence — Up to four numeric digits.
Message The message text that is displayed to the user or logged as a result of
the event. If the message has variable content in it, the variable
substitution is reflected by text in italics. The substitution variables are
described in the Arguments field of the event.
Arguments Describes the values for any substitution variables appearing in the event
message text. If there is no variable content in the message, this field is
omitted from the event description.
Detailed Description Additional information describing the event.
Recommended Response Action 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.
Trap/EventID The identification number used as the Trap ID for SNMP alert traps and
as the Event ID when the message is logged in operating system logs.
Severity The classification of the event based on its impact to the platform or
system. The severity can be:
● Severity 1 Critical — Indicates a catastrophic production problem that
might severely impact production systems or components, or systems
are down or not functioning.
● Severity 2 Warning — Indicates a high-impact problem where a
system or component is disrupted but can remain productive and
perform business-level operations.
● Severity 3 Information — Indicates a medium-to-low impact problem
that involves a partial or noncritical loss of functionality; operations
are impaired but can continue to function.
LCD Message The event message text that is displayed on the system's LCD.
Initial Default Event messages result in event actions such as logging, SNMP or email
alerts. Generally, the event actions are configurable using the Dell iDRAC
event action filtering feature. This item describes the initial default and
possible event actions for the message.
Event Action Filter Describes additional configurable actions that are available for the event
action for this message. This information is presented in a table, and each
entry has a value of TRUE or FALSE to indicate its applicability.
● Filter Visibility — Event visible to iDRAC event filtering.
● IPMI Alert — Event can generate an IMPI alert.
● SNMP Alert — Event can generate an SNMP trap.
● Email Alert — Event can generate an email alert.
● LC Log — Event can generate a Dell Lifecycle Controller log entry.
● LCD — Event is displayed on the system's LCD.
● Power Off — Event can cause the system to power off.
Power Cycle — Event can cause the system to perform a power
●
cycle.
● Reset — Event can cause the system to perform a reset.
For more information on the list of error and event messages, see the Dell Event Messages Reference Guide
16
Disassembly and reassembly
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:
● The look of the boot process has been revamped for Precision 7920 Rack.
● The Dell high-resolution splash screen displays instantly after power-on.
● Both a progress bar and descriptive text appear on-screen.
● Hotkey behavior remains unchanged (<F2> still takes you to System Setup).
● There is a uniform look and feel through the boot process (one exception — the system will drop to text mode briefly to run
legacy option ROMs when booting in legacy mode).
● POST error messages are now compliant with Error Exception Message Initiative (EEMI).
NOTE: All POST error and warning messages will be logged in the LC log.
● UEFI option ROMs display error/warning messages on the screen via the Driver Health Protocol (DHP). The auto-repair logic
is also included in Boot Device Selection (BDS) just before booting. Show the repair GUI and load the controller formset if
EfiDriverHealthStatsuConfigurationRequired status is returned.
Enhanced boot support
The following lists the boot support enhancements:
● Enhanced method to change the boot list based on Fully Qualified Descriptors (FQDDs). This allows for systems
management consoles and the factory to specify a boot list for devices that are not currently present, for example, disabled
NDC or other boot mode.
● New ability to toggle between LC and BIOS.
● The Boot Manager (<F11>) and BIOS Setup (<F2>) will only contain the boot option enumeration of the current Boot mode.
● Completely revised boot flow.
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.
NOTE: The status LED indicators are always off and only turns on to a solid amber if any error occurs.
Table 4. Status LED indicators and descriptions
Icon Description Condition Corrective action
Health indicator The indicator turns solid blue if the
is in good health.
The indicator blinks amber:
● When the is turned on.
None required.
Check the System Event Log or system messages
for the specific issue. For more information about
Disassembly and reassembly 17
Table 4. Status LED indicators and descriptions (continued)
Icon Description Condition Corrective action
● When the is in standby.
● If any error condition exists. For
example, a failed fan, PSU, or a
hard drive.
error messages, see the Dell Event and Error
Messages Reference Guide at Dell.com/
openmanagemanuals > OpenManage software.
The POST process is interrupted without any video
output due to invalid memory configurations. See the
Getting help section.
Drive indicator The indicator turns solid amber if
there is a drive error.
Temperature
indicator
Electrical
indicator
Memory indicator The indicator turns solid amber if a
PCIe indicator The indicator turns solid amber if a
The indicator turns solid amber if
the system experiences a thermal
error (for example, the ambient
temperature is out of range or
there is a fan failure).
The indicator turns solid amber if
the system experiences an
electrical error (for example,
voltage out of range, or a failed
power supply unit (PSU) or voltage
regulator).
memory error occurs.
PCIe card experiences an error.
● Check the System Event Log to determine if the
drive has an error.
● Run the appropriate Online Diagnostics test.
Restart the system and run embedded
diagnostics (ePSA).
● If the drives are configured in a RAID array,
restart the system, and enter the host adapter
configuration utility program.
Ensure that none of the following conditions exist:
● A cooling fan has been removed or has failed.
● System cover, air shroud, memory module blank,
or back filler bracket is removed.
● Ambient temperature is too high.
● External airflow is obstructed.
If the problem persists, see the Getting help section.
Check the System Event Log or system messages
for the specific issue. If it is due to a problem with
the PSU, check the LED on the PSU. Reseat the
PSU. If the problem persists, see the Getting help
section.
Check the System Event Log or system messages
for the location of the failed memory. Reseat the
memory module. If the problem persists, see the
Getting help section.
Restart the system. Update any required drivers for
the PCIe card. Reinstall the card. If the problem
persists, see the Getting help section.
NOTE: For more information about the
supported PCIe cards, see the Expansion card
installation guidelines section.
18 Disassembly and reassembly
Hard drive indicator codes
Each hard drive carrier has an activity LED indicator and a status LED indicator. The indicators provide information about the
current status of the hard drive. The activity LED indicator indicates whether the hard drive is currently in use or not. The status
LED indicator indicates the power condition of the drive.
Hard drive indicators
NOTE: LED status or activity indicators will only work with a backplane with each carriers shown below.
Figure 5. Hard drive indicators
1. hard drive activity LED indicator
2. hard drive status LED indicator
3. hard drive
If the hard drive is in the Advanced Host Controller Interface (AHCI) mode, the status LED indicator does not turn
NOTE:
on.
Disassembly and reassembly 19
NOTE: Drive status indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used.
Table 5. Hard drive indicator codes
Hard drive status indicator code Condition
Flashes green twice per second Identifying drive or preparing for removal.
Off Drive ready for removal.
NOTE: The drive status indicator remains off until all drives
are initialized after the system is turned on. Drives are not
ready for removal during this time.
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 then turns off after six seconds
Rebuild stopped.
NIC indicator codes
Each NIC on the back of the system has indicators that provide information about the activity and link status. The activity LED
indicator indicates if data is flowing through the NIC, and the link LED indicator indicates the speed of the connected network.
Figure 6. NIC indicator codes
1. Link LED indicator
2. Activity LED indicator
Table 6. NIC indicator codes
Status Condition
Link and activity indicators are off. The NIC is not connected to the network.
Link indicator is green, and activity indicator is blinking
green.
Link indicator is amber, and activity indicator is blinking
green.
Link indicator is green, and activity indicator is off. The NIC is connected to a valid network at its maximum port speed,
Link indicator is amber, and activity indicator is off. The NIC is connected to a valid network at less than its maximum
Link indicator is blinking green, and activity is off. NIC identify is enabled through the NIC configuration utility.
The NIC is connected to a valid network at its maximum port speed,
and data is being sent or received.
The NIC is connected to a valid network at less than its maximum
port speed, and data is being sent or received.
and data is not being sent or received.
port speed, and data is not being sent or received.
Power supply unit indicator codes
AC power supply units (PSUs) have an illuminated translucent handle that serves as an indicator. The indicator shows whether
power is present or a power fault has occurred.
20
Disassembly and reassembly
Figure 7. AC PSU status indicator
1. 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.
Blinking green When the firmware of the PSU is being updated, the PSU handle blinks green.
CAUTION: Do not disconnect the power cord or unplug the PSU when updating
firmware. If firmware update is interrupted, the PSUs do not function.
Blinking green and turns
off
When hot-plugging a PSU, the PSU handle blinks green five times at a rate of 4 Hz and turns off.
This indicates a PSU mismatch with respect to efficiency, feature set, health status, or supported
voltage.
CAUTION: If two PSUs are installed, both the PSUs must have the same type of label.
For example, Extended Power Performance (EPP) label. Mixing PSUs from previous
generations of Precision Workstation is not supported, even if the PSUs have the
same power rating. This results in a PSU mismatch condition or failure to turn the
system on.
CAUTION: When correcting a PSU mismatch, replace only the PSU with the blinking
indicator. Swapping the PSU to make a matched pair can result in an error condition
and unexpected system shutdown. To change from a high output configuration to a
low output configuration or vice versa, you must turn off the system.
CAUTION: AC PSUs support both 240 V and 120 V input voltages with the exception of
Titanium PSUs, which support only 240 V. When two identical PSUs receive different
input voltages, they can output different wattages, and trigger a mismatch.
CAUTION: If two PSUs are used, they must be of the same type and have the same
maximum output power.
NOTE: Ensure that both the PSUs are of the same capacity.
NOTE: Mixing PSUs (even the PSUs that have the same power rating) from previous
generations of Precision Workstation is not supported. This results in a PSU mismatch
condition or failure to turn the system on.
iDRAC Direct LED indicator codes
The iDRAC Direct LED indicator lights up to indicate that the port is connected and is being used as a part of the iDRAC
subsystem.
iDRAC Direct LED indicator is located below the iDRAC Direct port on the right control panel.
You can configure iDRAC Direct by using a USB to micro USB (type AB) cable, which you can connect to your laptop or tablet.
The following table describes iDRAC Direct activity when the iDRAC Direct port is active:
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Table 8. iDRAC Direct LED indicator codes
iDRAC Direct LED
indicator code
Solid green for two
seconds
Flashing green (on for
two seconds and off for
two seconds)
Turns off Indicates that the laptop or tablet is unplugged.
Condition
Indicates that the laptop or tablet is connected.
Indicates that the laptop or tablet connected is recognized.
iDRAC Quick Sync 2 indicator codes
iDRAC Quick Sync 2 module (optional) is on the front panel of your system.
Figure 8. iDRAC Quick Sync 2 indicator
Table 9. iDRAC Quick Sync 2 indicators and descriptions
iDRAC Quick Sync 2 indicator
code
Off (default state) Indicates that the iDRAC Quick Sync 2
Solid white Indicates that iDRAC Quick Sync 2 is
Blinks white rapidly Indicates data transfer activity. NA
Condition Corrective action
feature is turned off. Press the iDRAC
Quick Sync 2 button to turn on the
iDRAC Quick Sync 2 feature.
ready to communicate. Press the iDRAC
Quick Sync 2 button to turn off.
If the LED fails to turn on, reset the left control
panel flex cable and check. If the problem
persists, see the Getting help section.
If the LED fails to turn off, restart the system. If
the problem persists, see the Getting help
section.
If the problem persists, see the Getting help
section.
Blinks white slowly Indicates that firmware update is in
progress.
Blinks white five times rapidly
and then turns off
Solid amber Indicates that the system is in fail-safe
Blinking amber Indicates that the iDRAC Quick Sync 2
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Indicates that the iDRAC Quick Sync 2
feature is disabled.
mode.
hardware is not responding properly.
NA
If the indicator continues to blink indefinitely, see
the Getting help section.
Check if iDRAC Quick Sync 2 feature is
configured to 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 OpenManage Server
Administrator User’s Guide at dell.com/
openmanagemanuals .
Restart the system.
If the problem persists, see the Getting help
section.
Restart the system.
Table 9. iDRAC Quick Sync 2 indicators and descriptions (continued)
iDRAC Quick Sync 2 indicator
code
Condition Corrective action
If the problem persists, see the Getting help
section.
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.
Dell Embedded system diagnostics
NOTE: The Dell Embedded System Diagnostics is also known as Enhanced Preboot System Assessment (ePSA) diagnostics.
The embedded system diagnostics provides a set of options for particular device groups or devices allowing you to:
● Run tests automatically or in an interactive mode.
● Repeat tests
● Display or save test results.
● Introduce more test options for extra information about the failed devices, run a thorough test.
● View status messages that inform you if tests are completed successfully.
● View error messages that inform you of problems encountered during testing.
Running the Embedded system diagnostics from Boot Manager
To run the embedded system diagnostics from Boot Manager:
1. As the system boots, press <F11>.
2. Using the arrow keys select System Utilities → Launch Diagnostics.
Figure 9. Boot Manager Main Menu
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Figure 10. System Utilities
3. Wait while the Quick Tests automatically run.
Figure 11. Quick Test
4. Once the tests have been completed, you can view the results and additional information on the Results tab, the System
Health tab, the Configuration tab, and the Event Log tab.
5. Close the Embedded System Diagnostics utility.
6. To leave the diagnostics, click Exit.
7. 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:
As the system boots, press F10.
1.
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Disassembly and reassembly
2. 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. You must know the connectors on the system board to install components and cables correctly.
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System board jumpers and connectors
Figure 12. System board jumpers and connectors
Table 10. System board jumpers and connectors
Item Connector Description
1 J_ODD Optical drive power connector
2 A7, A1, A8, A2, A9, A3 Memory module sockets
3 J_FAN2U_6 Cooling fan 6 connector
4 J_BP3 Backplane 3 power connector
5 J_FAN2U_5 Cooling fan 5 connector
6 A6, A12, A5, A11, A4, A10 Memory module sockets
7 J_FAN2U_4 Cooling fan 4 connector
8 INTRUSION_DET Intrusion switch connector
9 B7, B1, B8, B2, B9, B3 Memory module sockets
10 J_FAN2U_3 Cooling fan 3 connector
11 J_FAN2U_2 Cooling fan 2 connector
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Table 10. System board jumpers and connectors (continued)
Item Connector Description
12 J_BP_SIG1 Backplane 1 signal connector
13 B6, B12, B5, B11, B4, B10 Memory module sockets
14 J_BP1 Backplane 1 power connector
15 J_FAN2U_1 Cooling fan 1 connector
16 P_LFT_CP Left control panel connector
17 CPU2 CPU2 processor and heat sink module socket (with
dust cover)
18 J_R3_X24 Riser 3 connector
19 J_BP_SIG2 Backplane 2 signal connector
20 J_BP_SIG0 Backplane 0 signal connector
21 J_BP0 (RSR3_225W) Backplane 0 power connector (Riser 3 PCIe 225 W
power)
22 J_BP2 (RSR2_225W) Backplane 2 power connector (Riser 2 PCIe 225 W
power)
23 J_BATT_SIG NVDIMM-N battery signal connector
24 J_BATT_PWR NVDIMM-N battery power connector
25 J_USB_INT Internal USB connector
26 J_IDSDM IDSDM/vFlash connector
27 J_NDC NDC connector
28 J_R2_X24_IT9 Riser 2 connector
29 J_R2_3R_X8_IT9 Riser 2 connector
30 BATTERY Battery connector
31 J_FRONT_VIDEO Video connector
32 J_R1_SS82_3 and J_R1_SS60_1 Riser 1 connector
33 J_TPM_MODULE TPM connector
34 J_SATA_B SATA B connector
35 J_R1_SS82_1 Riser 1 connector (Mini PERC option)
36 J_SATA_A SATA A connector
37 J_SATA_C SATA C connector (Optical drive SATA connector)
38 CPU1 CPU1 processor and heat sink module
39 P_RGT_CP Right control panel connector
System board jumper settings
For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 11. System board jumper settings
Jumper Setting Description
PWRD_EN The BIOS local access is protected with the software security
features.
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Table 11. System board jumper settings (continued)
Jumper Setting Description
The BIOS local access security features are unlocked on the
next AC power cycle.
NVRAM_CLR The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
Disabling forgotten password
The software security features of the system include a system password and a setup password. The password jumper enables or
disables password features and clears any password(s) currently in use.
Prerequisites
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 warranty. Read and follow the safety instructions that are shipped with your product.
Steps
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the system cover.
3. Move the jumper on the system board jumper from pins 2 and 4 (default) to pins 4 and 6.
4. Install the system cover.
The existing passwords are not disabled (erased) until the system boots with the jumper on pins 4 and 6. However, before
you assign a new system and/or setup password, you must move the jumper back to pins 2 and 4.
NOTE:
If you assign a new system and/or setup password with the jumper on pins 4 and 6, the system disables the new
password(s) the next time it boots.
5. Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
6. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
7. Remove the system cover.
8. Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4 (default).
9. Install the system cover.
10. Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
11. Assign a new system and/or setup password.
Disassembly and reassembly
The following sections contain the procedures for removing and replacing system components.
Front Bezel
Removing the optional front bezel
Steps
1. Locate and remove the bezel key.
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Disassembly and reassembly
NOTE: The bezel key is attached to the LCD bezel package.
2. Unlock the bezel by using the key.
3. Press the release button to release the bezel, and pull the left end of the bezel.
4. Unhook the right end, and remove the bezel.
Installing the optional front bezel
Steps
1. Locate and remove the bezel key.
NOTE: The bezel key is attached to the LCD bezel package.
2. Align and insert the right end of the bezel onto the system .
3. Press the release button and fit the left end of the bezel onto the system.
4. Lock the bezel by using the key.
System cover
Removing system cover
Prerequisites
1. Turn off the system, including any attached peripherals.
2. Disconnect the system from the electrical outlet and disconnect the peripherals.
Steps
1. Using a flat head screwdriver, rotate the latch release lock counter clockwise to the unlocked position.
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2. Lift the latch till the system cover slides back and the tabs on the system cover disengage from the slots on the system.
3. Hold the cover on both sides, and lift the cover away from the system.
Installing system cover
Prerequisites
1. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
Steps
1. Align the tabs on the system cover with the slots on the system.
2. Push the system cover latch down.
3. Using a flat head screwdriver, rotate the latch release lock clockwise to the locked position.
Next steps
1. Reconnect the peripherals and connect the system to the electrical outlet.
2. Turn on the system, including any attached peripherals.
Optical drive
Removing optical drive
Prerequisites
1. If installed, remove the front bezel.
2. Remove the system cover.
Steps
1. Disconnect the optical drive cable from the optical drive.
2. Press the blue latch and slide the optical drive from the system.
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Disassembly and reassembly
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