This document is for the person who installs, administers, and troubleshoots servers and
storage systems. Hewlett Packard Enterprise assumes you are qualified in the servicing of
computer equipment and trained in recognizing hazards in products with hazardous energy
levels.
Part Number: 869840-008
Published: July 2019
Edition: 8
Copyright 2018-2019 Hewlett Packard Enterprise Development LP
Notices
The information contained herein is subject to change without notice. The only warranties for Hewlett
Packard Enterprise products and services are set forth in the express warranty statements accompanying
such products and services. Nothing herein should be construed as constituting an additional warranty.
Hewlett Packard Enterprise shall not be liable for technical or editorial errors or omissions contained
herein.
Confidential computer software. Valid license from Hewlett Packard Enterprise required for possession,
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Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government
under vendor's standard commercial license.
Links to third-party websites take you outside the Hewlett Packard Enterprise website. Hewlett Packard
Enterprise has no control over and is not responsible for information outside the Hewlett Packard
Enterprise website.
Acknowledgments
Microsoft® and Windows® are either registered trademarks or trademarks of Microsoft Corporation in the
United States and/or other countries.
Acronyms and abbreviations.............................................................182
6
Component identification
Front panel components
8 SFF
ItemDescription
1Serial label pull tab
2Display port (optional)
3Optical drive (optional)
4USB 2.0 port (optional)
5USB 3.0 port
6iLO Service Port
The operating system does not recognize this port as a
USB port.
7SAS/SATA drive bays
4 LFF
ItemDescription
1Optical drive blank (optional)
2Serial label pull tab
3Display port (optional)
4USB 2.0 port (optional)
Table Continued
Component identification7
ItemDescription
5iLO Service Port
The operating system does not recognize this port as a
USB port.
6USB 3.0 port
7SAS/SATA drive bays
10 SFF NVMe/SAS Combo
ItemDescription
1Serial label pull tab
2Systems Insight Display (optional)
3USB 3.0 port
4SAS/SATA/NVMe drive bays
When the 10 SFF NVMe/SAS backplane option is installed,
NVMe drives must be installed in bays 9 and 10. The other
bays support a mix of NVMe and SAS drives.
8Component identification
Front panel LEDs and buttons
8 SFF/10 SFF
ItemDescriptionStatus
1UID button/LED
1
Solid blue = Activated
2Power On/Standby button and
system power LED
3Health LED
1
4NIC status LED
1
1
Flashing blue:
•1 Hz = Remote management or firmware upgrade in
progress
•4 Hz = iLO manual reboot sequence initiated
•8 Hz = iLO manual reboot sequence in progress
Off = Deactivated
Solid green = System on
Flashing green = Performing power on sequence
Solid amber = System in standby
Off = No power present
2
Solid green = Normal
Flashing green = iLO is rebooting.
Flashing amber = System degraded
Flashing red = System critical
3
Solid green = Link to network
Flashing green = Network active
Off = No network activity
Component identification9
1
When all four LEDs described in this table flash simultaneously, a power fault has occurred.
2
Facility power is not present, power cord is not attached, no power supplies are installed, power supply failure has
occurred, or the power button cable is disconnected.
3
If the health LED indicates a degraded or critical state, review the system IML or use iLO to review the system health
status.
4 LFF
ItemDescriptionStatus
1UID button/LED
1
Solid blue = Activated.
Flashing blue:
•1 Hz = Remote management or firmware upgrade in
progress.
•4 Hz = iLO manual reboot sequence initiated.
•8 Hz = iLO manual reboot sequence in progress.
Off = Deactivated.
2NIC status LED
1
Solid green = Link to network.
Flashing green = Network active.
Off = No network activity.
Table Continued
10Component identification
ItemDescriptionStatus
3Health LED
1
Solid green = Normal.
Flashing green = iLO is rebooting.
Flashing amber = System degraded.
Flashing red = System critical.
4Power On/Standby button and
system power LED
1
Solid green = System on.
Flashing green = Performing power on sequence.
Solid amber = System in standby.
Off = No power present.
1
When all four LEDs described in this table flash simultaneously, a power fault has occurred.
2
To identify components in a degraded or critical state, see the Systems Insight Display LEDs, check iLO/BIOS logs,
and reference the server troubleshooting guide.
3
Facility power is not present, power cord is not attached, no power supplies are installed, power supply failure has
occurred, or the power button cable is disconnected.
UID button functionality
The UID button can be used to display the Server Health Summary when the server will not power on.
For more information, see the latest HPE iLO 5 User Guide on the Hewlett Packard Enterprise website.
Front panel LED power fault codes
The following table provides a list of power fault codes, and the subsystems that are affected. Not all
power faults are used by all servers.
2
3
SubsystemLED behavior
System board1 flash
Processor2 flashes
Memory3 flashes
Riser board PCIe slots4 flashes
FlexibleLOM5 flashes
Removable HPE Smart Array SR Gen10 controller6 flashes
System board PCIe slots7 flashes
Power backplane or storage backplane8 flashes
Power supply9 flashes
Systems Insight Display LEDs
The Systems Insight Display LEDs represent the system board layout. The display enables diagnosis with
the access panel installed.
Component identification11
DescriptionStatus
Processor LEDs
DIMM LEDs
Fan LEDs
NIC LEDs
1
Power supply LEDs
Off = Normal
Amber = Failed processor
Off = Normal
Amber = Failed DIMM or configuration issue
Off = Normal
Amber = Failed fan or missing fan
Off = No link to network
Solid green = Network link
Flashing green = Network link with activity
If power is off, the front panel LED is not active. For
status, see Rear panel LEDs on page 15.
Off = Normal
Solid amber = Power subsystem degraded, power
supply failure, or input power lost.
PCI riser LED
Over temp LED
12Component identification
Off = Normal
Amber = Incorrectly installed PCI riser cage
Off = Normal
Amber = High system temperature detected
Table Continued
DescriptionStatus
Amp Status LED
Power cap LED
1
For Networking Choice (NC) server models, the embedded NIC ports are not equipped on the server. Therefore, the
NIC LEDs on the Systems Insight Display will flash based on the FlexibleLOM network port activity. In the case of a
dual-port FlexibleLOM, only NIC LED 1 and 2 will illuminate to correspond with the activity of the respective network
ports.
When the health LED on the front panel illuminates either amber or red, the server is experiencing a
health event. For more information on the combination of these LEDs, see Systems Insight Displaycombined LED descriptions on page 13).
Off = AMP modes disabled
Solid green = AMP mode enabled
Solid amber = Failover
Flashing amber = Invalid configuration
Off = System is in standby, or no cap is set.
Solid green = Power cap applied
Systems Insight Display combined LED descriptions
The combined illumination of the following LEDs indicates a system condition:
•Systems Insight Display LEDs
•System power LED
•Health LED
Systems Insight Display
LED and color
Processor (amber)RedAmberOne or more of the following
Processor (amber)AmberGreenProcessor in socket X is in a pre-
DIMM (amber)RedGreenOne or more DIMMs have failed.
Health
LED
System
power LED
Status
conditions may exist:
•Processor in socket X has failed.
•Processor X is not installed in the
socket.
•Processor X is unsupported.
•ROM detects a failed processor
during POST.
failure condition.
DIMM (amber)AmberGreenDIMM in slot X is in a pre-failure
condition.
Table Continued
Component identification13
Systems Insight Display
LED and color
Over temp (amber)AmberGreenThe Health Driver has detected a
Over temp (amber)RedAmberThe server has detected a hardware
PCI riser (amber)RedGreenThe PCI riser cage is not seated
Fan (amber)AmberGreenOne fan has failed or has been
Fan (amber)RedGreenTwo or more fans have failed or been
Power supply (amber)RedAmberOne or more of the following
Health
LED
System
power LED
Status
cautionary temperature level.
critical temperature level.
properly.
removed.
removed.
conditions may exist:
•Only one power supply is installed
and that power supply is in
standby.
•Power supply fault
•System board fault
Power supply (amber)AmberGreenOne or more of the following
conditions may exist:
•Redundant power supply is
installed and only one power
supply is functional.
•AC power cord is not plugged into
redundant power supply.
•Redundant power supply fault
•Power supply mismatch at POST
or power supply mismatch through
hot-plug addition
Power cap (off)—AmberStandby
Power cap (green)—Flashing
green
Power cap (green)—GreenPower is available.
Power cap (flashing amber)—AmberPower is not available.
IMPORTANT: If more than one DIMM slot LED is illuminated, further troubleshooting is required.
Test each bank of DIMMs by removing all other DIMMs. Isolate the failed DIMM by replacing each
DIMM in a bank with a known working DIMM.
Waiting for power
14Component identification
Rear panel components
ItemDescription
1Slot 1 PCIe3
2Slot 2 PCIe3
3Slot 3 PCIe3 (optional - requires second processor)
4Power supply 2 (PS2)
5Power supply 1 (PS1)
6Video port
7NIC ports (if equipped)
8iLO Management Port
9Serial port (optional)
10USB 3.0 ports
11FlexibleLOM (optional)
Rear panel LEDs
Component identification15
ItemDescriptionStatus
1UID LEDSolid blue = Identification is activated.
Flashing blue = System is being
managed remotely.
Off = Identification is deactivated.
2RiLO 5/standard
NIC activity LED
2LiLO 5/standard
NIC link LED
3Power supply 2
LED
4Power supply 1
LED
Solid green = Activity exists.
Flashing green = Activity exists.
Off = No activity exists.
Solid green = Link exists.
Off = No link exists.
Solid green = Normal
Off = One or more of the following
conditions exists:
•AC power unavailable
•Power supply failed
•Power supply in standby mode
•Power supply exceeded current
limit.
Solid green = Normal
Off = One or more of the following
conditions exists:
•AC power unavailable
•Power supply failed
•Power supply in standby mode
•Power supply exceeded current
limit.
16Component identification
System board components
ItemDescription
1FlexibleLOM connector
2Primary (processor 1) PCIe riser connector
3System maintenance switch
4Front display port/USB 2.0 connector
5x4 SATA port 1
6x4 SATA port 2
7x2 SATA port 3
8x1 SATA port 4
9Front power/USB 3.0 connector
10Optical/SATA port 5
11Energy pack connector
12Micro SD card slot
13Chassis Intrusion Detection connector
14Drive backplane power connector
15Dual internal USB 3.0 connector
16Type-a SmartArray connector
17Secondary (processor 2) PCIe riser connector
18System battery
19TPM connector (optional)
20Serial port connector (optional)
Component identification17
System maintenance switch descriptions
PositionDefaultFunction
1
S1
S2OffReserved
S3OffReserved
S4OffReserved
1
S5
Off
Off
Off = iLO security is enabled.
On = iLO security is disabled.
Off = Power-on password is enabled.
On = Power-on password is disabled.
S61, 2,
3
Off
S7OffReserved
S8—Reserved
S9—Reserved
S10—Reserved
S11—Reserved
S12—Reserved
1
To access the redundant ROM, set S1, S5, and S6 to On.
2
When the system maintenance switch position 6 is set to the On position, the system is prepared to restore all
configuration settings to their manufacturing defaults.
3
When the system maintenance switch position 6 is set to the On position and Secure Boot is enabled, some
configurations cannot be restored. For more information, see Secure Boot on page 159.
NMI functionality
An NMI crash dump enables administrators to create crash dump files when a system is hung and not
responding to traditional debugging methods.
Off = No function
On = Restore default manufacturing settings
An analysis of the crash dump log is an essential part of diagnosing reliability problems, such as hanging
operating systems, device drivers, and applications. Many crashes freeze a system, and the only
available action for administrators is to cycle the system power. Resetting the system erases any
information that could support problem analysis, but the NMI feature preserves that information by
performing a memory dump before a hard reset.
To force the OS to invoke the NMI handler and generate a crash dump log, the administrator can use the
iLO Virtual NMI feature.
DIMM slot locations
DIMM slots are numbered sequentially (1 through 12) for each processor. The supported AMP modes use
the letter assignments for population guidelines.
18Component identification
DIMM label identification
To determine DIMM characteristics, see the label attached to the DIMM. The information in this section
helps you to use the label to locate specific information about the DIMM.
ItemDescriptionExample
1Capacity
2Rank
8 GB
16 GB
32 GB
64 GB
128 GB
1R = Single rank
2R = Dual rank
4R = Quad rank
8R = Octal rank
Table Continued
Component identification19
ItemDescriptionExample
3Data width on DRAM
4Memory generation
5Maximum memory speed
6CAS latency
x4 = 4-bit
x8 = 8-bit
x16 = 16-bit
PC4 = DDR4
2133 MT/s
2400 MT/s
2666 MT/s
2933 MT/s
P = CAS 15-15-15
T = CAS 17-17-17
U = CAS 20-18-18
V = CAS 19-19-19 (for RDIMM, LRDIMM)
V = CAS 22-19-19 (for 3DS TSV LRDIMM)
7DIMM type
For more information about product features, specifications, options, configurations, and compatibility, see
the HPE DDR4 SmartMemory QuickSpecs on the Hewlett Packard Enterprise website (http://
www.hpe.com/support/DDR4SmartMemoryQS).
NVDIMM identification
NVDIMM boards are blue instead of green. This change to the color makes it easier to distinguish
NVDIMMs from DIMMs.
To determine NVDIMM characteristics, see the full product description as shown in the following example:
Y = CAS 21-21-21 (for RDIMM, LRDIMM)
Y = CAS 24-21-21 (for 3DS TSV LRDIMM)
R = RDIMM (registered)
L = LRDIMM (load reduced)
E = Unbuffered ECC (UDIMM)
20Component identification
ItemDescriptionDefinition
1Capacity16 GiB
2Rank1R (Single rank)
3Data width per DRAM chip x4 (4 bit)
4Memory typeNN4=DDR4 NVDIMM-N
5Maximum memory speed2667 MT/s
6Speed gradeV (latency 19-19-19)
7DIMM typeRDIMM (registered)
8Other—
For more information about NVDIMMs, see the product QuickSpecs on the Hewlett Packard Enterprise
website (http://www.hpe.com/info/qs).
NVDIMM 2D Data Matrix barcode
The 2D Data Matrix barcode is on the right side of the NVDIMM label and can be scanned by a cell phone
or other device.
When scanned, the following information from the label can be copied to your cell phone or device:
on (12V rail) and the NVDIMM-N is active
(backup and restore).
NVDIMM Function LED patterns
For the purpose of this table, the NVDIMM-N LED operates as follows:
•Solid indicates that the LED remains in the on state.
•Flashing indicates that the LED is on for 2 seconds and off for 1 second.
•Fast-flashing indicates that the LED is on for 300 ms and off for 300 ms.
StateDefinitionNVDIMM-N Function LED
NVDIMM-N Function
(green)
OnOff
OnOn
OffOff
OnFlashing
LED (blue)
0The restore operation is in progress.Flashing
1The restore operation is successful.Solid or On
2Erase is in progress.Flashing
3The erase operation is successful.Solid or On
4The NVDIMM-N is armed, and the NVDIMM-N is in
normal operation.
22Component identification
Solid or On
Table Continued
StateDefinitionNVDIMM-N Function LED
5The save operation is in progress.Flashing
6The NVDIMM-N finished saving and battery is still
turned on (12 V still powered).
7The NVDIMM-N has an internal error or a firmware
update is in progress. For more information about an
NVDIMM-N internal error, see the IML.
HPE Persistent Memory module label identification
Solid or On
Fast-flashing
ItemDescriptionExample
1Unique ID number8089-A2-1802-1234567
2Model numberNMA1XBD512G2S
3Capacity
4DataMatrix bar codeIncludes part number and serial number
For more information about product features, specifications, options, configurations, and compatibility, see
the product QuickSpecs on the Hewlett Packard Enterprise website (http://www.hpe.com/support/
persistentmemoryQS).
Device numbers
8 SFF device bay numbering
128 GB
256 GB
512 GB
Component identification23
8 SFF + 2 SFF device bay numbering
ItemDescription
1Box 1, bays 1-8
2Box 2, bays 1 and 2
4 LFF device bay numbering
10 SFF NVMe/SAS backplane option device bay numbering
When the 10 SFF NVMe/SAS backplane option is installed, NVMe drives must be installed in bays 9 and
10.The other bays support a mix of NVMe and SAS drives.
Optional rear device bay numbering
The optional rear device bay supports either 1 SFF drive in a SmartDrive carrier, or 2 uFF M.2 drives in
an HPE Smart Carrier M.2 (SCM).
When the HPE SFF Flash Adapter is installed, the uFF drives are recognized as 1 and 101.
24Component identification
Hot-plug drive LED definitions
ItemLEDStatusDefinition
1LocateSolid blueThe drive is being identified by a host
Flashing blueThe drive carrier firmware is being updated or
2Activity ringRotating greenDrive activity.
OffNo drive activity.
3Do not removeSolid whiteDo not remove the drive. Removing the drive
application.
requires an update.
causes one or more of the logical drives to fail.
OffRemoving the drive does not cause a logical
drive to fail.
4Drive statusSolid greenThe drive is a member of one or more logical
drives.
Flashing green
Flashing amber/
green
Flashing amberThe drive is not configured and predicts the
Solid amberThe drive has failed.
The drive is doing one of the following:
•Rebuilding
•Performing a RAID migration
•Performing a strip size migration
•Performing a capacity expansion
•Performing a logical drive extension
•Erasing
•Spare part activation
The drive is a member of one or more logical
drives and predicts the drive will fail.
drive will fail.
OffThe drive is not configured by a RAID
controller or a spare drive.
Component identification25
NVMe SSD LED definitions
The NVMe SSD is a PCIe bus device. A device attached to a PCIe bus cannot be removed without
allowing the device and bus to complete and cease the signal/traffic flow.
CAUTION: Do not remove an NVMe SSD from the drive bay while the Do not remove LED is
flashing. The Do not remove LED flashes to indicate that the device is still in use. Removing the
NVMe SSD before the device has completed and ceased signal/traffic flow can cause loss of data.
ItemLEDStatusDefinition
1LocateSolid blueThe drive is being identified by a host application.
Flashing blueThe drive carrier firmware is being updated or requires an update.
2Activity
ring
OffNo drive activity
3Drive
status
Flashing green
Flashing amber/
Flashing amber The drive is not configured and predicts the drive will fail.
Solid amberThe drive has failed.
Rotating greenDrive activity
Solid greenThe drive is a member of one or more logical drives.
The drive is doing one of the following:
•Rebuilding
•Performing a RAID migration
•Performing a stripe size migration
•Performing a capacity expansion
•Performing a logical drive extension
•Erasing
The drive is a member of one or more logical drives and predicts the
green
drive will fail.
OffThe drive is not configured by a RAID controller.
4Do not
remove
26Component identification
Solid whiteDo not remove the drive. The drive must be ejected from the PCIe bus
prior to removal.
Table Continued
ItemLEDStatusDefinition
Flashing whiteThe drive ejection request is pending.
OffThe drive has been ejected.
5PowerSolid greenDo not remove the drive. The drive must be ejected from the PCIe bus
prior to removal.
Flashing greenThe drive ejection request is pending.
OffThe drive has been ejected.
uFF drive components and LEDs
ItemDescriptionStatus
1Locate•Off—Normal
•Solid blue—The drive is being identified by a host
application
•Flashing blue—The drive firmware is being updated
or requires an update
2uFF drive ejection latchRemoves the uFF drive when released
3Do not remove LED•Off—OK to remove the drive. Removing the drive
does not cause a logical drive to fail.
•Solid white—Do not remove the drive. Removing
the drive causes one or more of the logical drives to
fail.
Table Continued
Component identification27
ItemDescriptionStatus
4Drive status LED• Off—The drive is not configured by a RAID
controller
•Solid green—The drive is a member of one or more
logical drives
•Flashing green (4 Hz)—The drive is operating
normally and has activity
•Flashing green (1 Hz)—The drive is rebuilding or
performing a RAID migration, stripe size migration,
capacity expansion, logical drive extension, or is
erasing
•Flashing amber/green (1 Hz)—The drive is a
member of one or more logical drives that predicts
the drive will fail
•Solid amber—The drive has failed
•Flashing amber (1 Hz)—The drive is not configured
and predicts the drive will fail
5Adapter ejection release latch
and handle
Hot-plug fans
CAUTION: To avoid damage to server components, fan blanks must be installed in fan bays 1 and
2 in a single-processor configuration.
CAUTION: To avoid damage to the equipment, do not operate the server for extended periods of
time if the server does not have the optimal number of fans installed. Although the server might
boot, Hewlett Packard Enterprise does not recommend operating the server without the required
fans installed and operating.
The valid fan configurations are listed in the following tables.
One-processor configuration
Fan bay 1Fan bay 2Fan bay 3Fan bay 4Fan bay 5Fan bay 6Fan bay 7
Fan blankFan blankFanFanFanFanFan
Two-processor configuration
Fan bay 1Fan bay 2Fan bay 3Fan bay 4Fan bay 5Fan bay 6Fan bay 7
Removes the SFF flash adapter when released
FanFanFanFanFanFanFan
28Component identification
The loss of a single fan rotor (one standard fan) causes loss of redundancy. The loss of two fan rotors
(two standard fans or one high-performance fan) causes the server to initiate a shutdown.
The high-performance fans are used for 8 SFF +2 SFF NVMe and 10 SFF drive configurations when
NVMe drives are installed in the server. They are also required for ASHRAE-compliant configurations. For
more information on ASHRAE-compliant configurations, see the Hewlett Packard Enterprise website
http://www.hpe.com/servers/ASHRAE.
The server supports variable fan speeds. The fans operate at minimum speed until a temperature change
requires a fan speed increase to cool the server. The server shuts down during the following temperaturerelated scenarios:
•At POST and in the OS, iLO performs an orderly shutdown if a cautionary temperature level is
detected. If the server hardware detects a critical temperature level before an orderly shutdown
occurs, the server performs an immediate shutdown.
•When the Thermal Shutdown feature is disabled in the BIOS/Platform Configuration (RBSU), iLO does
not perform an orderly shutdown when a cautionary temperature level is detected. Disabling this
feature does not disable the server hardware from performing an immediate shutdown when a critical
temperature level is detected.
CAUTION: A thermal event can damage server components when the Thermal Shutdown
feature is disabled in the BIOS/Platform Configuration (RBSU).
Component identification29
HPE Smart Array P824i-p MR Gen10 Controller
Components
ItemDescription
1Internal SAS port 1i
2Internal SAS port 2i
3Internal SAS port 3i
4Internal SAS port 4i
5Controller backup power cable connector
6Internal SAS port 5i
7Internal SAS port 6i
30Component identification
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