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: 870691-002
Published: June 2018
Edition: 2
Copyright 2017–2018 Hewlett Packard Enterprise Development LP
Notices
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Acknowledgments
microSD is a trademark or a registered trademark of SD-3D in the United States, other countries of both.
Microsoft®, Windows®, and Windows Server® are either registered trademarks or trademarks of Microsoft
Corporation in the United States and/or other countries.
Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries.
Red Hat® Enterprise Linux is a registered trademark of Red Hat, Inc. in the United States and other
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VMware® ESXi™ and VMware vSphere® are registered trademarks or trademarks of VMware, Inc. in the
United States and/or other jurisdictions.
Acronyms and abbreviations.............................................................205
Contents7
Component identification
This chapter describes the external and internal server features and components.
Front panel components
ItemDescription
1iLO Service Port
2USB 3.0 ports (2)
3Box 1
4Half-height media bay 1 (for SAS LTO tape drive option or USB RDX drive option)
5Half-height media bay 2 (for USB RDX drive option)
6Optical drive bay (for slim-type SATA optical drive option)
7Serial number/iLO information pull tab
8Box 21,
8 Component identification
1
2
2
2
3
Table Continued
ItemDescription
9Box 3
1
10Front bezel lock
1
All three boxes support LFF and SFF drive cage options. Mixing LFF and SFF drives in the same server is not
supported.
2
The media drive options are only supported in box 1.
3
In SFF models, box 2 supports the 8 NVMe SSD Express Bay enablement option.
Serial number/iLO information pull tab
The serial number/iLO information pull tab is double-sided. One side shows the server serial number and
the customer asset tag label. The other side shows the default iLO account information and QR code
label.
Use a mobile device to scan the QR code label to display the server mobile product page (http://www.hpe.com/qref/ml350gen10). This page contains links to server setup information, spare part
numbers, QuickSpecs, troubleshooting resources, and other useful product links.
Front panel LEDs and buttons
Serial number/iLO information pull tab9
ItemDescriptionStatusDefinition
1UID button/LED
1
Solid blueActivated
Flashing blue
•1 flash per sec = Remote management or
firmware upgrade in progress
•4 flashes per sec = iLO manual reboot
sequence initiated
•8 flashes per sec = iLO manual reboot
sequence in progress
OffDeactivated
2
NIC status LED1Solid greenLinked to network
Flashing green (1 flash
Network active
per sec)
OffNo network activity
3
Health LED
1
Solid green
Flashing green (1 flash
Normal
iLO is rebooting
per sec)
Flashing amberSystem degraded
2
Flashing red (1 flash
System critical
2
per sec)
4
Power On/
Solid greenNormal
Standby button
and system
power LED
1
Flashing green (1 flash
Performing power-on sequence
per sec)
Solid amberSystem in standby
OffNo power present
1
When all four LEDs described in this table flash simultaneously, a power fault has occurred. For more information,
see Front panel LED power fault codes on page 11.
2
If the health LED indicates a degraded or critical state, review the system IML or use iLO to review the system health
status.
3
Facility power is not present, power cord is not attached, no power supplies are installed, power supply failure has
occurred, or the front I/O cable is disconnected.
3
10 Component identification
Server UID LED
The UID LED is used to locate a particular server when it is deployed in a dense rack with other
equipment. Activating the UID LED helps an onsite technician to quickly identify a server for maintenance
tasks.
Toggling the UID LED on and off locally
Procedure
1. Remove the front bezel on page 43.
2. Do one of the following:
•To turn on the UID LED, press the UID button.
This action illuminates both the front and rear UID LEDs blue.
•To turn off the UID LED, press the UID button again.
The procedure is complete.
Toggling the UID LED on and off remotely
Procedure
1. Log in to the iLO web interface.
2. Do one of the following:
•To turn on the UID LED, click the UID icon
This action illuminates both the front and rear UID LEDs blue.
•To turn off the UID LED, click the UID icon again.
The iLO control icons are available from any iLO page. For more information, see the iLO user guide
on the Hewlett Packard Enterprise website (http://www.hpe.com/support/ilo-docs).
The procedure is complete.
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 iLO user guide on the Hewlett Packard Enterprise website (
www.hpe.com/support/ilo-docs).
.
http://
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.
Server UID LED11
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
Rear panel components
12 Rear panel components
ItemDescription
1Standard power supply (non-hot-plug)
2Flexible Slot power supply 2 (hot-plug)
3Flexible Slot power supply 1 (hot-plug)
4PCIe slots 5-8 (bottom to top)
5Display port
6VGA port
7Serial port
8iLO Management Port
9NIC port 2 (1Gb)
10NIC port 1 (1Gb)
11NIC port 4 (1Gb)
12NIC port 3 (1Gb)
2
2
2
2
1
13USB 3.0 ports (2)
14PCIe slots 1-4 (bottom to top)
15Padlock eye
16Kensington security slot
1
The non-hot-plug power supply is only supported in LFF non-hot-plug drive configurations.
2
These NIC ports do not support the 100 Mb/s and 10 Mb/s speeds.
Component identification13
Rear panel LEDs
ItemLEDStatusDefinition
1
2
3
4
Power supplySolid greenNormal
OffSystem is off or power supply has
failed.
iLO statusSolid greenLinked to network
Flashing greenNetwork active
OffNo network activity
iLO linkSolid greenNetwork link
OffNo network link
NIC statusSolid greenLinked to network
Flashing greenNetwork active
Table Continued
14 Rear panel LEDs
ItemLEDStatusDefinition
5
6
NIC linkSolid greenNetwork link
UIDSolid blueActivated
OffNo network activity
OffNo network link
Flashing blueSystem is being managed remotely.
OffDeactivated
System board components
ItemDescription
1Smart Array modular controller connector (AROC)
2Standard power supply connector
3Power distribution board connector
4Smart Storage Battery connector
5microSD card slot
6System battery
7Storage controller backup power connectors (2)
Table Continued
System board components15
ItemDescription
8Slot 8 PCIe3 x8 (8, 4, 1)
9Slot 7 PCIe3 x16 (16, 8, 4, 1)
10Slot 6 PCIe3 x8 (8, 4, 1)
11Slot 5 PCIe3 x16 (16, 8, 4, 1)
1
1
1
1
12Fan connector 5
13Fan connector 6
14Slot 4 PCIe3 x8 (4, 1)
15Slot 3 PCIe3 x16 (16, 8, 4, 1)
2
2
16NVMe riser sideband connector for PCIe slot 3
17Slot 2 PCIe3 x8 (4, 1)
2
18NVMe riser sideband connector for PCIe slot 1
19Slot 1 PCIe3 x16 (16, 8, 4, 1)
2
20TPM connector
21Storage controller backup power connectors (2)
22System maintenance switch
23Power and x1 SATA port 5
24x1 SATA port 4
25Front USB cable connector
26Front I/O cable connector
27Internal USB 2.0 port
28Internal USB 3.0 port
29x4 SATA port 2
30x4 SATA port 1
31x4 SATA port 3
32Fan connector 4
16Component identification
Table Continued
ItemDescription
33Box 3 drive power connector
34Box 2 drive power connector
35Box 1 drive power connector
36Fan connector 3
37Fan connector 2
38Fan connector 1
1
The PCIe3 expansion slots 5–8 are associated with processor 2.
2
The PCIe3 expansion slots 1–4 are associated with processor 1.
System maintenance switch descriptions
PositionDefaultFunction
1
S1
Off
Off = iLO 5 security is enabled.
On = iLO 5 security is disabled.
S2Off
Off = System configuration can be changed.
On = System configuration is locked.
S3OffReserved
S4OffReserved
1
S5
Off
Off = Power-on password is enabled.
On = Power-on password is disabled.
S61, 2,
3
Off
Off = No function
On = Restore default manufacturing settings
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 182.
System maintenance switch descriptions17
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
3Data width on DRAM
4Memory generation
5Maximum memory speed
8 GB
16 GB
32 GB
64 GB
128 GB
1R = Single rank
2R = Dual rank
4R = Quad rank
8R = Octal rank
x4 = 4-bit
x8 = 8-bit
x16 = 16-bit
PC4 = DDR4
2133 MT/s
2400 MT/s
18 DIMM label identification
2666 MT/s
Table Continued
ItemDescriptionExample
6CAS latency
7DIMM type
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/info/qs).
PCIe slot description
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)
R = RDIMM (registered)
L = LRDIMM (load reduced)
E = Unbuffered ECC (UDIMM)
PCIe slot description19
ItemDescriptionDefinition
1PCI Express version
2Physical connector link widthPCIe devices communicate through a logical
Each PCIe version corresponds to a specific data
transfer rate between the processor and peripheral
devices. Generally, a version update corresponds to
an increase in transfer rate.
•PCIe 1.x
•PCIe 2.x
•PCIe 3.x
The PCIe technology is under constant development.
For the latest information, see the PCI-SIG website.
connection called an interconnect or link. At the
physical level, a link is composed of one or more
lanes. The number of lanes is written with an "×" prefix
with ×16 being the largest size in common use.
•×1
•×2
•×4
•×8
•×16
3Negotiable link widthThese numbers correspond to the maximum link
bandwidth supported by the slot.
Processor, heatsink, and socket components
20 Processor, heatsink, and socket components
ItemDescription
1Heatsink nuts
2Processor carrier
3Pin 1 indicator
4Heatsink latch
5Alignment post
1
Symbol also on the processor and frame.
1
Drive LEDs and buttons
Low profile LFF drive LED definitions
ItemLEDStatusDefinition
1Fault
\Locate
2Online
\Activity
Solid amberThe drive has failed.
Solid blueThe drive is operating normally and being identified by a
management application.
Flashing amber/blue
(1 flash per second)
Flashing amber
(1 flash per second)
Solid greenThe drive is online and has no activity.
Flashing green
(4 flashes per second)
The drive has failed, or a predictive failure alert has been
received for this drive; it also has been identified by a
management application.
A predictive failure alert has been received for this drive.
Replace the drive as soon as possible.
The drive is operating normally and has activity.
Table Continued
Drive LEDs and buttons21
ItemLEDStatusDefinition
Flashing green
(1 flash per second)
OffThe drive is not configured by a RAID controller or a spare
Hot-plug drive LED definitions
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
drive.
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
3Do not
remove
OffRemoving the drive does not cause a logical drive to fail.
4Drive
status
Rotating greenDrive activity
Solid whiteDo not remove the drive. Removing the drive causes one or more of
the logical drives to fail.
Solid greenThe drive is a member of one or more logical drives.
Table Continued
22 Hot-plug drive LED definitions
ItemLEDStatusDefinition
Flashing greenThe 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
Flashing amber/
green
Flashing amber The drive is not configured and predicts the drive will fail.
Solid amberThe drive has failed.
OffThe drive is not configured by a RAID controller or a spare drive.
The drive is a member of one or more logical drives and predicts the
drive will fail.
Enabling embedded chipset SATA controller support
Use the Embedded SATA Configuration option to enable embedded chipset SATA (Serial Advanced
Technology Attachment) controller support. You can select AHCI or HPE Smart Array S100i SR Gen10
SW RAID support. Make sure that you are using the correct operating system drivers for your selected
option.
CAUTION: Dynamic Smart Array is not supported when the boot mode is configured to Legacy
BIOS Mode. Enabling Dynamic Smart Array RAID results in data loss or data corruption on existing
SATA drives. Back up all drives before enabling this option. See your operating system
documentation before enabling SATA AHCI support to ensure your base media drivers support this
feature.
Prerequisites
•The correct operating system drivers for your selected option.
•Boot Mode is set to UEFI Mode.
Procedure
1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration
(RBSU) > Storage Options > SATA Controller Options > Embedded SATA Configuration.
2. Ensure that you are using the correct ACHI or RAID system drivers for your SATA option.
3. Select a setting.
Enabling embedded chipset SATA controller support23
•SATA AHCI Support—Enables the embedded chipset SATA controller for AHCI.
•Smart Array SW RAID Support—Enables the embedded chipset SATA controller for Dynamic
Smart Array RAID.
4. Save your setting.
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 greenThe drive is doing one of the following:
Rotating greenDrive activity
Solid greenThe drive is a member of one or more logical drives.
•Rebuilding
•Performing a RAID migration
•Performing a stripe size migration
•Performing a capacity expansion
•Performing a logical drive extension
•Erasing
Flashing amber/
green
24 NVMe SSD LED definitions
The drive is a member of one or more logical drives and predicts the
drive will fail.
Table Continued
ItemLEDStatusDefinition
Flashing amber The drive is not configured and predicts the drive will fail.
Solid amberThe drive has failed.
OffThe drive is not configured by a RAID controller.
4Do not
remove
Flashing whiteThe drive ejection request is pending.
5PowerSolid greenDo not remove the drive. The drive must be ejected from the PCIe bus
Solid whiteDo not remove the drive. The drive must be ejected from the PCIe bus
OffThe drive has been ejected.
Flashing greenThe drive ejection request is pending.
OffThe drive has been ejected.
NVMe SSD button actions
prior to removal.
prior to removal.
ItemButtonAction
1Do Not Remove
2Power
Drive bay numbering
Drive bay numbering depends on how the drive backplane is connected. In this server, the backplane can
be connected to the:
•Embedded Smart Array controller through the onboard SATA ports
Press to request PCIe ejection. Removal request can be denied
by the:
•RAID controller (one or more of the logical drives could fail)
•Operating system
NVMe SSD button actions25
When the backplane is connected to a storage controller, the drive bay numbering for each drive box
starts at 1.
When the backplane is connected to a SAS expander, all drive boxes are treated as a single box 1. This
means the drive bay numbering is continuous.
SFF drive bay numbering: Smart Array controller
Tower orientation
Rack orientation
26 SFF drive bay numbering: Smart Array controller
SFF drive bay numbering: SAS expander
Tower orientation
Rack orientation
SFF drive bay numbering: SAS expander 27
NVMe drive bay numbering
Tower orientation
Rack orientation
28 NVMe drive bay numbering
LFF drive bay numbering: Smart Array controller
Tower orientation
Rack orientation
Fan bay numbering
Fans 5 and 6 are preinstalled in the chassis while fans 1–4 are preinstalled in the fan cage option.
LFF drive bay numbering: Smart Array controller29
Media device screws
There are 16 T-15 Torx screws located on the server chassis. These screws are provided as spare
screws for installing media devices.
Expansion board screws
There are T-15 Torx screws located on the underside of the PCI blank retainer. These are screws for
installing PCIe standup plug-in expansion board options.
30 Media device screws
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