Page 1 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide Part Number: 30-DC5683BF-002 Published: June 2023 Edition: 2...
Page 2 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide Abstract Abstract 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, trained in recognizing hazards in products with hazardous energy levels, and are familiar with the weight and stability precautions for rack installations.
Page 3 Limited operating inlet ambient temperature requirements for E3.S drive configuration Added the GPU auxiliary power cable spare part . Added HPE 1600 W Flex Slot -48 VDC Hot-plug Power Supply power supply-related content in the following topics: DC power supply warnings and cautions...
Page 4: Table Of Contents
Power supply spare parts Drive cable spare parts Server options Chassis intrusion detection switch spare part Energy pack spare parts HPE NS204i-u Boot Device spare parts Riser board spare parts Storage controller spare parts External fan spare parts Serial port cable spare part...
Page 5 Remove the access panel Remove the primary riser cage Remove the secondary riser cage Power up the server Safety considerations Electrostatic discharge Symbols on equipment Rack warnings and cautions Server warnings and cautions Removing and replacing the front bezel Removing and replacing a hot-plug LFF/SFF/E3.S drive Removing and replacing the drive box blank Removing and replacing a drive blank Removing and replacing the media bay filler panel...
Page 6 Removing and replacing an expansion card from the tertiary riser Removing and replacing a type-o storage controller HPE NS204i Boot Device replacement Removing and replacing the boot device cage assembly Removing and replacing a boot device carrier with the security cover...
Page 7 E3.S drive bay numbering Drive backplane naming Fan bay numbering Media device screws Trusted Platform Module 2.0 Trusted Platform Module 2.0 guidelines BitLocker recovery key/password retention guidelines HPE NS204i-u Boot Device components HPE NS204i-u Boot Device LED definitions Cabling Cabling guidelines Cabling diagrams...
Page 8 Limited operating inlet ambient temperature requirements Limited operating inlet ambient temperature requirements for DDR5 4800 256 GB DIMM Limited operating inlet ambient temperature requirements for HPE InfiniBand HDR100 / Ethernet 100GB 2-port QSFP56 PCIe4 x16 Adapter Limited operating inlet ambient temperature requirements for HPE NS204i Boot Device Limited operating inlet ambient temperature requirements for E3.S drive configuration...
Page 9 HPE 1600 W Flex Slot -48 VDC Hot-plug Power Supply Websites Support and other resources Accessing Hewlett Packard Enterprise Support Accessing updates Remote support Warranty information Regulatory information Documentation feedback...
Page 10: Customer Self Repair
à utiliser. Pour plus d'informations sur le programme CSR de Hewlett Packard Enterprise, contactez votre Mainteneur Agrée local. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 11 Enterprise zurückgeschickt werden muss. Wenn es erforderlich ist, das defekte Teil an Hewlett Packard Enterprise zurückzuschicken, müssen Sie dies innerhalb eines vorgegebenen Zeitraums tun, in der Regel innerhalb von fünf (5) Geschäftstagen. Das defekte Teil muss mit HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 12 Optioneel—Onderdelen waarvoor reparatie door de klant optioneel is. Ook deze onderdelen zijn ontworpen voor reparatie door de klant. Optioneel Als u echter Hewlett Packard Enterprise verzoekt deze onderdelen voor u te vervangen, kunnen daarvoor extra kosten in rekening HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 13 No caso desse serviço, a substituição de peças CSR é obrigatória. Se desejar que a Hewlett Packard Enterprise substitua essas peças, serão cobradas as despesas de transporte e mão-de-obra do serviço. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 14 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 15 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 16 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 17: Illustrated Parts Catalog
Server options Server options Mechanical components Mechanical components Hewlett Packard Enterprise continually improves and changes product parts. For complete and current supported spare parts information, see the Hewlett Packard Enterprise PartSurfer website: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 18 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 19: Front Bezel Spare Part
Spare part number Front bezel P52796-001 For more information on the removal and replacement procedures, see Removing and replacing the front bezel . Miscellaneous blank spare parts Miscellaneous blank spare parts HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 20: Dimm Guards Spare Part
Removing and replacing the power supply blank DIMM guards spare part DIMM guards spare part Customer self repair: Mandatory Mandatory Description Description Spare part number Spare part number DIMM guards (left and right) P24307-001 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 21: Cable Management Arm Spare Part
For more information on the removal and replacement procedures, see Removing and replacing a drive blank. System components System components Hewlett Packard Enterprise continually improves and changes product parts. For complete and current supported spare parts information, see the Hewlett Packard Enterprise PartSurfer website: https://www.hpe.com/info/partssurfer https://www.hpe.com/info/partssurfer HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 22 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 23: Front I/O Module Spare Part
System board assembly spare part Power supply spare parts Power supply spare parts Drive cable spare parts Drive cable spare parts Front I/O module spare part Front I/O module spare part HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 24: Drive Backplane Spare Parts
Spare part number Internal fan P52792-001 Fan cage P52799-001 For more information on the removal and replacement procedures, see: Fan replacement Removing and replacing the fan cage Heatsink spare parts Heatsink spare parts HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 25: Processor Spare Parts
Spare part number Standard heatsink P52794-001 Performance heatsink P52795-001 For more information on the removal and replacement procedures, see Heatsink replacement. Processor spare parts Processor spare parts Customer self repair: Mandatory Mandatory HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 26: Dimm Spare Parts
Intel Xeon 8480+, 2.0 GHz, 56C, 350 W P53119-001 Intel Xeon 8490H, 1.9 GHz, 60C, 350 W P53129-001 For more information on the removal and replacement procedures, see Processor replacement. DIMM spare parts DIMM spare parts HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 27: System Battery Spare Part
Metal subpan DIMM guards For more information on the removal and replacement procedures, see System board assembly replacement. Power supply spare parts Power supply spare parts Customer self repair: Mandatory Mandatory HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 28: Drive Cable Spare Parts
Description Spare part number Spare part number HPE 500 W Flex Slot Platinum Hot-plug Low Halogen Power Supply 866729-001 HPE 800 W Flex Slot Platinum Hot-plug Low Halogen Power Supply P39385-001 HPE 1000 W Flex Slot Titanium Hot-plug Power Supply...
Page 29 Server options Server options Hewlett Packard Enterprise continually improves and changes product parts. For complete and current supported spare parts information, see the Hewlett Packard Enterprise PartSurfer website: https://www.hpe.com/info/partssurfer https://www.hpe.com/info/partssurfer HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 30: Chassis Intrusion Detection Switch Spare Part
PCIe5 2 x16 riser spare part Tertiary riser spare part PCIe5 4 x8 riser spare part HPE SR and MR type-p PCIe plug-in storage controller spare parts External fan spare part OCP NIC 3.0 adapter For more information on the removal and replacement procedures, see Removing and replacing the OCP NIC 3.0 adapter.
Page 31 480 GB NVMe x4 RI M.2 22110 SSD P41538-001 Boot device SlimSAS and power cables P52811-001 For more information on the removal and replacement procedures, see HPE NS204i Boot Device replacement HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 32: Riser Board Spare Parts
For more information on the removal and replacement procedures, see: Removing and replacing a type-o storage controller Removing and replacing a type-p storage controller External fan spare parts External fan spare parts Customer self repair: Mandatory Mandatory HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 33: Serial Port Cable Spare Part
OCP bandwidth upgrade cable kit, includes: P52801-001 OCP NIC 3.0 x16 upgrade cable for OCP Slot 14 OCP NIC 3.0 x16 upgrade cable for OCP Slot 15 Dual OCP slot upgrade cable HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 34: Tertiary Riser Signal Cable Spare Part
Removing and replacing the front I/O module Drive backplane replacement Drive backplane replacement Fan replacement Fan replacement Removing and replacing the external fan cable Removing and replacing the external fan cable HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 35: Preparation Procedures
To access components and perform certain upgrade, maintenance, or service procedure, you must perform one or more of the procedures described in this section. Subtopics Subtopics Server data backup Server data backup HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 36: Server Data Backup
Customer iLO user name, password, and DNS name iLO configuration settings For managed by HPE GreenLake for Compute Ops Management , make sure that you have your HPE GreenLake account ID. For more information, see HPE HPE GreenLake for Compute Ops Management Getting Started Guide GreenLake for Compute Ops Management Getting Started Guide .
Page 37: Extend The Server From The Rack
1. Loosen the server tray thumbscrews (callout 1). 2. Grasp the tray notch and slide the server out of the rack (callout 2). Remove the server from the rack Remove the server from the rack HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 38 4. Slide the server tray out of the rack: a. Loosen the server tray thumbscrews (callout 1). b. Grasp the tray notch and slide the server out of the rack (callout 2). 5. Remove the chassis rear bracket screws. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 39: Position The Tower Server For Hardware Configuration
7. Place the server on a flat, level surface with the access panel facing up. Position the tower server for hardware configuration Position the tower server for hardware configuration Procedure Procedure 1. Rotate the chassis feet inward. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 40 About this task About this task WARNING: WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the internal system components to cool before touching them. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 41 If necessary, unlock the access panel latch (callout 1). b. To disengage the access panel from the chassis, press the release button and pull up the latch (callouts 2 and 3). c. Lift the access panel (callout 4). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 42 Release the half-turn spring latch (callouts 1 and 2). b. Lift the riser cage off the system board (callout 3). Remove the secondary riser cage Remove the secondary riser cage Procedure Procedure 1. Power down the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 43 Loosen the stabilizer bracket captive screw (callout 1), and then pull the stabilizer bracket from the expansion card (callout 2). b. Remove the expansion card from the tertiary riser. 8. If installed, remove the tertiary riser. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 44 Lift the riser cage off the system board (callout 3). Power up the server Power up the server About this task About this task To power up the server, use one of the following methods: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 45 For more information on static electricity or assistance with product installation, contact an authorized reseller. Symbols on equipment Symbols on equipment The following symbols may be placed on equipment to indicate the presence of potentially hazardous conditions: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 46 This symbol on an RJ-45 receptacle indicates a Network Interface Connection. WARNING: WARNING: To reduce risk of electric shock, fire, or damage to the equipment, do not plug telephone or telecommunications connectors into this receptacle. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 47 This symbol indicates that the component exceeds the recommended weight for one individual to handle safely. WARNING: WARNING: To reduce the risk of personal injury or damage to the equipment, observe local occupational health and safety requirements and guidelines for manual material handling. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 48 Before configuring your rack solution, be sure to check the rack manufacturer weight limits and specifications. Failure to do so can result in physical injury or damage to the equipment and the facility. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 49 Pressing the Power On/Standby button does not shut off system power completely. Portions of the power supply and some internal circuitry remain active until AC power is removed. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 50 Removing and replacing the front bezel Removing and replacing the front bezel Procedure Procedure 1. Unlock the front bezel (callout 1). 2. Open the front bezel (callout 2) HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 51 About this task About this task CAUTION: CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated with either a component or a blank. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 52 2. Remove the front bezel . 3. Observe the drive LED status and determine if the drive can be removed. LFF/SFF drive E3.S drive 4. Remove the drive. LFF drive SFF drive HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 53 Removing and replacing the drive box blank Removing and replacing the drive box blank Prerequisites Prerequisites Before you perform this procedure, make sure that you have a T-15 Torx screwdriver available. About this task About this task HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 54 Remove the drive box blank (callout 2). Results Results To replace the component, reverse the removal procedure. Removing and replacing a drive blank Removing and replacing a drive blank About this task About this task HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 55 CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated with either a component or a blank. Procedure Procedure 1. Open the front bezel . 2. Remove the drive blank. LFF drive blank SFF drive blank E3.S drive blank HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 56 Remove the server from the rack . 7. Remove the media bay filler panel: a. Remove the media bay filler panel screws (callout 1). b. Remove the media bay filler panel (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 57 Procedure Procedure 1. Remove the peripheral cables and power cords from the CMA: a. Open the cable clamps (callout 1). b. Remove the peripheral cables and power cords (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 58 PUSH buttons on the outer and inner tabs and detach from the rack rails (callouts 3 and 4). Results Results To replace the component, reverse the removal procedure. Removing and replacing the rack Removing and replacing the rack rails rails HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 59 7. Slide and hold the white release tab in the direction shown (callout 1), and slide out the server tray from the rack (callout 2). 8. If you are replacing a rack mounting rail, do the following: a. If installed, remove the shipping screw from the rear rack column. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 60 Slide out the rear end of the rail to disengage it from the rear rack column. d. Retract and hold the front retention bracket. e. Slide out the front end of the rail to disengage it from the front rack column. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 61 Slide the rail towards the front to disengage it from the alignment pins on the server tray, and then remove the rail from the server tray. Results Results To replace the component, reverse the removal procedure. Flexible Slot power supply replacement Flexible Slot power supply replacement HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 62 WARNING: To reduce the risk of electric shock, be sure that the cable grounding kit is properly installed and connected to a suitable protective earth terminal before connecting the power source to the rack. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 63 Procedure Procedure 1. Power down the server. 2. To remove an AC power supply, do the following: a. Release the power cords, wires, and cables from the strain relief strap. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 64 Disconnect the power cord from the power supply. c. Remove the power supply. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 65 3. To remove the DC power supply, do the following: a. Remove the power supply. b. Release the ground, positive return, and negative input wires from the strain relief strap. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 66 Remove the protective cover from the power supply. d. Remove the negative input wire (black) from the -48V slot on the DC power supply. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 67 Remove the positive return wire (red) from the RTN slot on the DC power supply. f. Remove the ground wire (green and yellow) from the DC power supply. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 68 CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated with either a component or a blank. Procedure Procedure Remove the power supply blank from the bay. Results Results HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 69 Procedure 1. Disconnect the network cable from the transceiver. 2. Slide the transceiver out of the network adapter port. See the transceiver documentation for model-specific release mechanism for removing the transceiver. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 70 1. Remove the front bezel . 2. Power down the server. 3. Remove all power: a. Disconnect each power cord from the power source. b. Disconnect each power cord from the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 71 Removing and replacing the optical drive Prerequisites Prerequisites Before you perform this procedure, make sure that you have the following items available: T-15 Torx screwdriver Phillips No. 1 screwdriver About this task About this task HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 72 Remove the optical drive cage screws (callout 1). b. Slide the optical drive cage out of the server (callout 2). 11. Remove the optical drive from the optical drive cage. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 73 Slide the optical drive out of the optical drive cage (callout 2). 12. Remove the optical drive bracket. Results Results To replace the component, reverse the removal procedure. Removing and replacing the front I/O module Removing and replacing the front I/O module HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 74 Remove the front I/O cage screws (callout 1). b. Remove the front I/O module from the chassis (callout 2). 11. If installed, remove the optical drive. Results Results To replace the component, reverse the removal procedure. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 75 8. Disconnect all cables from the drive backplane. 9. Remove 4 LFF drive cage: a. Remove the drive cage screws (callout 1). b. Remove the drive cage from the server (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 76 Removing and replacing the 8 SFF drive backplane Prerequisites Prerequisites Before you perform this procedure, make sure that you have a T-15 Torx screwdriver available. About this task About this task HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 77 9. Remove the 8 SFF drive cage: a. Remove the drive cage screws (callout 1). b. Remove the drive cage from the server (callout 2). 10. Remove the 8 SFF drive backplane. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 78 If the server is in tower mode, place the server on a flat, level surface with the access panel facing up . If the server is in rack mode, remove the server from the rack . 7. Remove the access panel . 8. Disconnect all cables from the drive backplane. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 79 10. Remove the E3.S drive backplane: a. Remove the backplane screws (callout 1). b. Remove the backplane from the drive cage (callout 2). Results Results To replace the component, reverse the removal procedure. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 80 For limited operating inlet ambient temperature requirements when high power accelerators are installed, see the server QuickSpecs on the Hewlett Packard Enterprise website (https://buy.hpe.com/us/en/p/1014696172 https://buy.hpe.com/us/en/p/1014696172). For additional cooling support, Hewlett Packard Enterprise highly recommends installing an external fan. Fan redundancy support Fan redundancy support HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 81 1. Extend the server from the rack . 2. Remove the access panel . 3. Remove the internal fan: a. Press and hold the latch (callout 1). b. Lift the fan from the bay (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 82 Remove the server from the rack . 6. Remove the access panel . 7. Remove the internal fan: a. Press and hold the latch (callout 1). b. Lift the fan from the bay (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 83 Extend the server from the rack . Remove the server from the rack . 6. Remove the external fan: a. Loosen the captive screws (callout 1). b. Remove the external fan from the bay(callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 84 5. Remove the access panel . 6. Do one of the following: Remove the primary riser cage. Remove the secondary riser cage. 7. Remove the external fan. 8. Remove the external fan cable: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 85 5. If the server is in rack mode, do one of the following: Extend the server from the rack . Remove the server from the rack . 6. Remove the access panel . 7. Remove the fan blank. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 86 If the server is in rack mode, remove the server from the rack . 5. Remove the access panel . 6. Remove the existing internal fans: a. Press and hold the latch (callout 1). b. Lift the fan from the bay (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 87 8. Disconnect the fan cage cables from the system board. 9. Remove the fan cage: a. Open the fan cage latches (callout 1). b. Lift the fan cage away from the chassis (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 88 4. Disconnect all peripheral cables from the server. 5. Do one of the following: If the server is in tower mode, place the server on a flat, level surface with the access panel facing up . HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 89 9. Remove a DIMM in the performance heatsink configuration: a. Open the DIMM slot latches (callout 1). b. Carefully slide the DIMM from the slot under the performance heatsink (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 90 If the server is in rack mode, remove the server from the rack . 5. Remove the access panel . 6. Remove the fan cage. 7. Remove the DIMM guard. Left Right HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 91 A discharge of static electricity from a finger or other conductor might damage system boards or other static-sensitive devices. To prevent damage, observe antistatic precautions. Procedure Procedure 1. Power down the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 92 Use a T-30 Torx screwdriver to loosen one pair of diagonally opposite screws (callouts 1 and 2), and then loosen the other pair of screws (callouts 3 and 4). Standard heatsink Performance heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 93 To prevent mechanical damage or depositing oil on your hands or other contaminant to the heatsink contact surface, hold the heatsink only by the edge of its base plate. Do not touch the heatsink fins. Lift the processor-heatsink module straight up from the system board. Standard heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 94 Performance heatsink 11. Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 95 Carefully lower the dust cover onto the bolster plate guide posts (callout 2). Make sure that the corner holes of the dust cover are properly engaged with the guide posts on the bolster plate. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 96 Hold the processor on its edges, and then remove it from the carrier (callout 2). c. Starting from the pin 1 corner and moving in an opposite manner, disengage the processor carrier release tabs from the heatsink (callouts 1–4). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 97 Lift the processor carrier away from the heatsink. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 98 THE PINS ON THE PROCESSOR SOCKET AND ON THE PROCESSOR ARE VERY FRAGILE AND EASILY DAMAGED. damage to them might require replacing the system board. Do not touch the pins on the processor socket and the processor. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 99 Align the pin 1 indicator on the processor carrier with that on the processor, and then press on the pair of opposite sides on the TIM breaker lever of the processor carrier until it clicks into place. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 100 Verify that the processor is properly latched on the processor carrier. If not, press the other pair of opposite sides of the processor carrier until it clicks into place. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 101 3. Remove the protective film from the thermal interface material. 4. Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 102 Lower the heatsink on the processor carrier until the carrier tabs snap into place. There will be an audible click to indicate that the heatsink is properly latched on the processor carrier. Standard heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 103 Performance heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 104 6. Perform the following verification steps: a. Verify that the tabs on the processor carrier are securely latched on the heatsink. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 105 Verify that the pin 1 indicators on the processor and processor carrier are aligned. c. Verity that the processor is properly secured by the carrier snaps. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 106 The posts are keyed so that the module can only be installed one way. Make sure that the module is properly seated on the bolster plate before securing the screws. Standard heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 107 Performance heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 108 Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 109 Use a T-30 Torx screwdriver to tighten one pair of diagonally opposite heatsink screws (callouts 1 to 2), and then tighten the other pair of heatsink screws (callouts 3 to 4). Standard heatsink Performance heatsink 8. Install the fan cage. 9. Install the access panel. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 110 Identify the heatsink and processor socket components . Review the processor cautions . Before you perform this procedure, make sure that you have the following items available: T-30 Torx screwdriver Alcohol wipe HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 111 Use a T-30 Torx screwdriver to loosen one pair of diagonally opposite screws (callouts 1 and 2), and then loosen the other pair of screws (callouts 3 and 4). Standard heatsink Performance heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 112 To prevent mechanical damage or depositing oil on your hands or other contaminant to the heatsink contact surface, hold the heatsink only by the edge of its base plate. Do not touch the heatsink fins. Lift the processor-heatsink module straight up from the system board. Standard heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 113 Performance heatsink 11. Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 114 Carefully lower the dust cover onto the bolster plate guide posts (callout 2). Make sure that the corner holes of the dust cover are properly engaged with the guide posts on the bolster plate. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 115 THE PINS ON THE PROCESSOR SOCKET AND ON THE PROCESSOR ARE VERY FRAGILE AND EASILY DAMAGED. damage to them might require replacing the system board. Do not touch the pins on the processor socket and the processor. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 116 Hold the processor on its edges, and then remove it from the carrier (callout 2). c. Starting from the pin 1 corner and moving in an opposite manner, disengage the processor carrier release tabs from the heatsink (callouts 1–4). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 117 Lift the processor carrier away from the heatsink. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 118 Procedure 1. If you are using the same heatsink, apply the full content of the thermal grease syringes on top of the processor. Follow the pattern shown in the following image. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 119 2. If you are using a new heatsink, remove the protective film from the thermal interface material. 3. Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 120 The following illustration calls out the keying feature tabs that secure the processor. Different processor carriers will have these tabs in different locations. 5. Attach the heatsink to the processor carrier: a. Align the pin 1 indicator on the processor carrier with that on the heatsink. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 121 Lower the heatsink on the processor carrier until the carrier tabs snap into place. There will be an audible click to indicate that the heatsink is properly latched on the processor carrier. Standard heatsink Performance heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 122 6. Perform the following verification steps: a. Verify that the tabs on the processor carrier are securely latched on the heatsink. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 123 Verify that the pin 1 indicators on the processor and processor carrier are aligned. c. Verity that the processor is properly secured by the carrier snaps. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 124 The posts are keyed so that the module can only be installed one way. Make sure that the module is properly seated on the bolster plate before securing the screws. Standard heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 125 Performance heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 126 Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 127 Use a T-30 Torx screwdriver to tighten one pair of diagonally opposite heatsink screws (callouts 1 to 2), and then tighten the other pair of heatsink screws (callouts 3 to 4). Standard heatsink Performance heatsink 8. Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 128 Removing and replacing an expansion card from the primary/secondary riser cage Prerequisites Prerequisites Before you perform this procedure, make sure that you have a T-10 Torx screwdriver available. About this task About this task HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 129 9. Remove the expansion card: a. Simultaneously push and rotate to close the riser cage latch (callouts 1 and 2). b. Remove the screw (callout 3), and then remove the expansion card (callout 4). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 130 Do not bend or flex the PCA. Procedure Procedure 1. Power down the server. 2. Remove all power: a. Disconnect each power cord from the power source. b. Disconnect each power cord from the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 131 Remove the expansion card from the tertiary riser. Results Results To replace the component, reverse the removal procedure. Removing and replacing a type-o storage controller Removing and replacing a type-o storage controller HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 132 7. Disconnect the storage cables from the type-o controller. 8. Remove the type-o storage controller: a. Rotate the locking pin to the open (vertical) position (callout 1). b. Slide the controller out of the bay (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 133 When installing the replacement component: Observe antistatic precautions. Handle the PCA only along the edges. Do not touch the components and connectors on the PCA. Do not bend or flex the PCA. Procedure Procedure HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 134 9. Disconnect the signal and power cables from the boot device. 10. Remove the boot device baffle: a. Remove the air baffle screws (callout 1-2). b. Remove the baffle from the boot device (callout 3). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 135 12. Remove the boot device carrier: a. Press and hold the carrier latch (callout 1). b. Pivot the latch to open (callouts 2). c. Slide the carrier out from the boot device cage (callout 3). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 136 When installing the replacement component: Observe antistatic precautions. Handle the PCA only along the edges. Do not touch the components and connectors on the PCA. Do not bend or flex the PCA. Procedure Procedure HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 137 9. Remove the boot device carrier: a. Press and hold the carrier latch (callout 1). b. Pivot the latch to open (callouts 2). c. Slide the carrier out from the boot device cage (callout 3). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 138 Carefully remove the SSD from the M.2 slot (callout 3). Retain these SSDs for installation onto the new boot device carrier. Results Results To replace the component, reverse the removal procedure. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 139 Press and hold the carrier latch (callout 1). b. Pivot the latch to open (callout 2). c. Slide the carrier out from the boot device cage (callout 3). 3. Remove the SSDs from the boot device carrier: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 140 About this task About this task CAUTION: CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated with either a component or a blank. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 141 8. Remove the boot device from the top of the power supply cage: a. Pull and hold the latch (callout 1). b. Remove the boot device from the chassis side wall (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 142 Remove the SSD mounting screw (callout 1). b. Tilt the SSD with the M.2 slot at a 45° angle (callout 2). c. Carefully remove the SSD from the M.2 slot (callout 3). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 143 2. Remove the boot device carrier: a. Press and hold the carrier latch (callout 1). b. Pivot the latch to open (callouts 2). c. Slide the carrier out from the boot device cage (callout 3). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 144 Tilt the SSD with the M.2 slot at a 45° angle (callout 2). c. Carefully remove the SSD from the M.2 slot (callout 3). Results Results To replace the component, reverse the removal procedure. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 145 6. Do one of the following: Remove the primary riser cage. Remove the secondary riser cage. 7. If installed, remove any expansion card from the riser . 8. Remove the primary/secondary riser board. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 146 Disconnect each power cord from the power source. b. Disconnect each power cord from the server. 3. Disconnect all peripheral cables from the server. 4. Do one of the following: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 147 Boot device cage assembly b. Energy pack 7. If installed, remove the expansion card from the tertiary riser . 8. Remove the tertiary riser. 9. Remove the tertiary riser board. Results Results HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 148 A discharge of static electricity from a finger or other conductor might damage system boards or other static-sensitive devices. To prevent damage, observe antistatic precautions. Procedure Procedure 1. Power down the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 149 Results Results To replace the component, reverse the removal procedure. Removing and replacing the energy pack holder Removing and replacing the energy pack holder Procedure Procedure 1. Power down the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 150 Pull the holder towards the front panel to disengage from chassis (callout 2). Results Results To replace the component, reverse the removal procedure. Removing and replacing a cable clamp Removing and replacing a cable clamp Procedure Procedure 1. Power down the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 151 Removing and replacing the boot device security cover security cover Prerequisites Prerequisites Before you perform this procedure, make sure that you have a T-10 Torx screwdriver available. Procedure Procedure 1. Power down the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 152 CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated with either a component or a blank. Procedure Procedure 1. Power down the server. 2. Remove all power: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 153 CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated with either a component or a blank. Procedure Procedure 1. Power down the server. 2. Remove all power: a. Disconnect each power cord from the power source. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 154 CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated with either a component or a blank. Procedure Procedure 1. Power down the server. 2. Remove all power: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 155 4. If the server is in tower mode, place the server on a flat, level surface with the access panel facing up . 5. If the server is in rack mode, do one of the following: Extend the server from the rack . HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 156 Do not touch the components and connectors on the PCA. Do not bend or flex the PCA. Procedure Procedure 1. Power down the server. 2. Remove all power: a. Disconnect each power cord from the power source. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 157 The port blank provides EMI shielding and helps maintain proper thermal status inside the server. Do not operate the server when a port blank is removed without the corresponding I/O port option installed. Procedure Procedure 1. Power down the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 158 To replace the component, reverse the removal procedure. Removing and replacing the serial port cable Removing and replacing the serial port cable Prerequisites Prerequisites Before you perform this procedure, make sure that you have a hex screwdriver available. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 159 8. Remove the serial port: a. Remove the hex screws (callout 1). b. Detach the serial port from the rear panel (callout 2). Results Results To replace the component, reverse the removal procedure. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 160 If the server no longer automatically displays the correct date and time, then replace the battery that provides power to the real-time clock. Under normal use, battery life is 5–10 years. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 161 7. Locate the battery on the system board . 8. Remove the system battery: a. Use a small flat-bladed, nonconductive tool to press the battery latch (callout 1). b. Remove the system battery from the socket (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 162 Install the server into the rack. 13. Connect all peripheral cables to the server. 14. Connect each power cord to the server. 15. Connect each power cord to the power source. 16. Power up the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 163 If the server is in tower mode, place the server on a flat, level surface with the access panel facing up . If the server is in rack mode, remove the server from the rack . 5. Remove the access panel . HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 164 Use a T-30 Torx screwdriver to loosen one pair of diagonally opposite screws (callouts 1 and 2), and then loosen the other pair of screws (callouts 3 and 4). Standard heatsink Performance heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 165 To prevent mechanical damage or depositing oil on your hands or other contaminant to the heatsink contact surface, hold the heatsink only by the edge of its base plate. Do not touch the heatsink fins. Lift the processor-heatsink module straight up from the system board. Standard heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 166 16. Place the processor-heatsink module on a flat work surface with its contact side facing up. 17. Remove the fan cage bracket: a. Retract and hold the spring plunger (callout 1). b. Slide the bracket towards the front of the chassis to release it (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 167 19. Remove the system board assembly: a. Loosen the system board thumbscrew (callout 1). b. Use the system board handle and thumbscrew to remove the system board from the rear panel (callout 2). HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 168 A discharge of static electricity from a finger or other conductor might damage system boards or other static-sensitive devices. To prevent damage, observe antistatic precautions. Procedure Procedure 1. Position the new system board over the alignment tabs on the chassis. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 169 Insert the system board on the rear side of the chassis (callout 1). b. Tighten the captive screw (callout 2). 3. Do the following: Install the system board latches. Install the fan cage brackets. 4. Install the processor-heatsink module: HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 170 The posts are keyed so that the module can only be installed one way. Make sure that the module is properly seated on the bolster plate before securing the screws. Standard heatsink Performance heatsink HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 171 Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 172 Use a T-30 Torx screwdriver to tighten one pair of diagonally opposite heatsink screws (callouts 1 to 2), and then tighten the other pair of heatsink screws (callouts 3 to 4). Standard heatsink Performance heatsink 5. Set the anti-tilt wires to the locked position. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 173 1. Access the UEFI System Utilities. During POST, press F9 F9. 2. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Advanced Options > Advanced Service Options. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 174 NMI functionality Troubleshooting resources Troubleshooting resources NMI functionality NMI functionality An NMI crash dump enables administrators to create crash dump files when a system is not responding to traditional debugging methods. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 175 Integrated Management Log Messages and Troubleshooting Guide for HPE ProLiant Gen11 servers and HPE Synergy provides IML messages and associated troubleshooting information to resolve critical and cautionary IML events.
Page 176 HPE NS204i-u Boot Device LED definitions HPE NS204i-u Boot Device LED definitions Front panel components Front panel components LFF drive configuration LFF drive configuration SFF drive configuration SFF drive configuration HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 177 E3.S drive configuration E3.S drive configuration HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 178 The other side shows the default iLO account information. E3.S drives are supported in Box 3. When the E3.S drives are installed, LFF/SFF drives are not supported in Boxes 1 and 2. Two HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 179 You cannot use the Service Port to boot any device within the server, or the server itself. You cannot access the server by connecting to the Service Port. You cannot access the connected device from the server. Front panel LEDs and button Front panel LEDs and button HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 180 When the four LEDs described in this table flash simultaneously, a power fault has occurred. For more information, see Front panel LED power fault codes. If the health LED indicates a degraded or critical state, review the system Integrated Management Log (IML) or use HPE iLO to review the system health status.
Page 181 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. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 182 8 flashes Storage backplane 9 flashes Power supply 10 flashes PCIe expansion cards installed in riser board 11 flashes Chassis 12 flashes GPU card 13 flashes Rear panel components Rear panel components HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 183 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 184 The embedded video controller in the iLO 6 chipset does not support dual display or screen extension mode. To enable dual display mode, install a compatible PCIe graphics card that supports this feature in the expansion slot. Rear panel LEDs Rear panel LEDs HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 185 Activated Flashing blue 1 flash per second—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 Deactivated HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 186 System board components System board components HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 187 Top = USB 3.2 Gen 1 port, Bottom = USB 2.0 port Used for SATA 6 Gb/s connections The SlimSAS ports are numbered 1B-4B, 1A-4A from top to bottom. B is for CPU 2 and A is for CPU 1. Subtopics Subtopics HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 188 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. For more information about product features, specifications, options, configurations, and compatibility, see the HPE DDR5 SmartMemory QuickSpecs: https://www.hpe.com/docs/server-memory...
Page 189 Memory generation PC5—DDR5 Maximum memory speed 4800 MT/s CAS latency B—42-42-42 B—50-42-42 (for 128 GB and 256 GB capacities) DIMM type R—RDIMM (registered) DIMM slot numbering DIMM slot numbering HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 190 Anti-tilt wires Processor carrier release tabs Bolster plate guide posts Bolster plate Heatsink screws This module consists of the heatsink attached to the processor that is already secured in its carrier. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 191 The PCIe5 4 x8 and PCIe5 2 x16 riser options can be installed in either the primary or the secondary riser location. This server supports mixed PCIe5 4 x8 + 2 x16 risers. PCIe5 4 x8 riser components PCIe5 4 x8 riser components HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 192 PCIe5 2 x16 riser components Item Description Item Description GPU auxiliary power connectors Storage controller backup power connectors PCIe5 x16 (16, 8, 4, 1) slots Tertiary riser components Tertiary riser components HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 193 Primary and secondary riser slots are PCIe5 x16 (16, 8, 4, 1) or PCIe5 x16 (8, 4, 1) . Tertiary riser slots are PCIe5 x16 (8, 4, 1). All riser slots are rated for a maximum power draw of 75 W each without an auxiliary power cable. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 194 Secondary riser cage Full-height, full-length Full-height, half-length Half-height, half-length (low-profile) Tertiary riser Half-height, half-length (low-profile) This slot on the PCIe5 2 x16 riser board supports double-width accelerators. PCIe5 slot description PCIe5 slot description HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 195 Amber/blue LED—Managed by the drive backplane in conjunction with the storage controller and is used to indicate drive status. Green LED—Managed by the drive itself and indicates the drive activity. LFF low-profile drive carrier low-profile drive carrier The LFF low-profile drive carrier supports hot-plug SAS and SATA drives . HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 196 SFF basic drive carrier basic drive carrier The SFF basic drive carrier supports hot-plug SAS, SATA, and U.3 PCIe4 NVMe drives . HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 197 EDSFF drive carrier has two LEDs: Amber/blue LED—Managed by the drive backplane in conjunction with the storage controller and is used to indicate drive status. Green LED—Managed by the drive itself and indicates the drive activity. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 198 LFF drive box uses the 4 LFF 12G x1 SAS / SATA UBM3 drive backplane. For more information on the drive backplane description, see Drive backplane naming. Tower orientation Tower orientation HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 199 Rack orientation Rack orientation SFF drive bay numbering SFF drive bay numbering HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 200 8 SFF 24G x4 U.3 NVMe UBM3 BC 8 SFF 24G x4 U.3 NVMe UBM6 BC For more information on the drive backplane description, see Drive backplane naming convention . Tower orientation Tower orientation Rack orientation Rack orientation HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 201 Mixed drive bay numbering Mixed drive bay numbering This server supports the following mixed hot-plug drive configurations. 4 LFF + 8 SFF 4 LFF + 8 SFF Tower orientation Tower orientation HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 202 Rack orientation Rack orientation 4 LFF + 16 SFF 4 LFF + 16 SFF Tower orientation Tower orientation HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 203 Rack orientation Rack orientation E3.S drive bay numbering E3.S drive bay numbering HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 204 Drive backplane naming This topic explains the features represented in the drive backplane naming. This naming convention was adopted starting in the HPE Gen11 server release. Your server might not support all the features listed in this topic. For server-specific support information, see the server guides: Drive backplane support, see Drive bay numbering.
Page 205 CPU direct attach or tri-mode controller support for x4 U.2 NVMe drives. Fan bay numbering Fan bay numbering For more information on fan requirements for specific hardware configurations, see Fan population. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 206 There are 12 T-15 Torx screws on the server chassis. These screws are provided as spare screws for installing media devices. Trusted Platform Module 2.0 Trusted Platform Module 2.0 The Trusted Platform Module 2.0 (TPM) is a hardware-based system security feature that securely store artifacts used to authenticate the HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 207 Recovery Mode after BitLocker detects a possible compromise of system integrity. HPE is not liable for blocked data access caused by improper TPM use. For operating instructions, see the documentation for the encryption technology feature provided by the operating system.
Page 208 HPE NS204i-u Boot Device components HPE NS204i-u Boot Device components Item Description Item Description Boot device cage M.2 slots Boot device carriers HPE NS204i-u Boot Device LED definitions HPE NS204i-u Boot Device LED definitions HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 209 Drive is not configured by a RAID controller or is a spare drive. Cabling Cabling This chapter includes cabling guidelines and diagrams for internal component cabling. Subtopics Subtopics Cabling guidelines Cabling guidelines Cabling diagrams Cabling diagrams HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 210 To prevent component damage and potential signal interference, make sure that all cables are in their appropriate routing position before installing a new component and before closing up the server after hardware installation/maintenance. When disconnecting cables When disconnecting cables HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 211 Cabling diagrams Cabling diagrams Observe the following: Before cabling components, see the cabling guidelines. Use the cable part number or search feature to find your diagram. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 212 OCP bandwidth upgrade cable P43734-001 P43736-001 Dual OCP slot upgrade cable for single-processor server P56686-001 Serial port cable P45623-001 Tertiary riser signal cable P52240-001 Chassis intrusion detection switch cable P47751-001 Front I/O cable P45292-001 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 213 Energy pack cabling Storage controller backup power cabling Storage controller backup power cabling Storage controller cabling Storage controller cabling 4/8/12 LFF drive: Onboard SATA cabling 4/8/12 LFF drive: Onboard SATA cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 214 8 SFF drive: Onboard SATA cabling 8 SFF drive: Onboard SATA cabling Cable part number Cable part number Color Color From From P45293-001 Orange Box 3 port 1 PCH LP SlimSAS port 2 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 215 Cable part number Color Color From From P45294-001 Orange Box 3 ports 1–4 x8 SlimSAS ports 1A-4A Option kit: P48399-B21 12 E3.S E3.S drive: Onboard NVMe cabling drive: Onboard NVMe cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 216 Type-o storage controller port 1 Option kit: P47229-B21 4/8/12 LFF SAS/SATA drive controller cabling: Type-p controller in the primary riser 4/8/12 LFF SAS/SATA drive controller cabling: Type-p controller in the primary riser HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 217 1 Option kit: P47227-B21 8/16 SFF SAS/ NVMe x1 drive controller cabling: Type-o controller in Slot 14 8/16 SFF SAS/ NVMe x1 drive controller cabling: Type-o controller in Slot 14 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 218 16 SFF SAS/ NVMe x1 drive controller cabling: Type-p controller in the primary riser 16 SFF SAS/ NVMe x1 drive controller cabling: Type-p controller in the primary riser Box 2 and Box 3 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 219 Orange Box 2 port 1 Primary type-p storage controller port 2 P45297-001 Blue Box 3 port 1 Primary type-p storage controller port 1 Option kit: P47233-B21 Box 1 and Box 2 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 220 This is a splitter cable. Ports 1–2 use one cable; Ports 3–4 use one cable. 4 LFF + 8 SFF / 4 LFF + 16 SFF drive controller cabling 4 LFF + 8 SFF / 4 LFF + 16 SFF drive controller cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 221 Drive power cabling Drive power cabling Drive power cables are either preinstalled in the server or structured under the relevant storage controller cable option kit. LFF/SFF drive power cabling LFF/SFF drive power cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 222 E3.S drive power cabling E3.S drive power cabling Cable part number Cable part number Color Color From From P49005-001 Orange Box 3 power connector Drive box 3 power connector Drive box 2 power connector HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 223 Use the following diagrams for reference only. Storage controller backup power cabling from type-o storage controller in Slot 14 Storage controller backup power cabling from type-o storage controller in Slot 14 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 224 Storage controller backup power cabling from type-p storage controller in the primary riser Color Color From From Orange Type-p controller Storage controller backup power connector Media device cabling Media device cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 225 P45303-001 Blue RDX power connector RDX power connector on the tertiary riser 876507-002 Orange RDX USB port USB 3.2 Gen 1 port Option kit: P49694-B21 Optical drive cabling Optical drive cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 226 The exact route of the GPU auxiliary power cabling will depend on the: The riser cage where the accelerator is installed. The location of the power connector on the accelerator. Use the following diagrams for reference only. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 227 Color From From P58422-001 Orange Accelerator power connector GPU auxiliary power connector on the PCIe5 2 x16 riser Option kit: P47221-B21 Fan cabling Fan cabling Internal fans 1–8 Internal fans 1–8 HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 228 Cable part number Color From From P45291-001 Orange External fan 9 Fan connector 9 Blue External fan 10 Fan connector 10 Option kit: P47220-B21 HPE NS204i Boot Device NS204i Boot Device cabling cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 229 CPU 1 MCIO port 1 Slot 14 OCP port 2 Option kit: P47231-B21 Option kit: P47230-B21 Dual OCP slot upgrade cabling for single-processor server Dual OCP slot upgrade cabling for single-processor server HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 230 Cable part number Color Cable part number Color From From P43735-001 Orange CPU 1 MCIO port 1 Slot 15 OCP port 1 Option kit: P47231-B21 Serial port cabling Serial port cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 231 CPU 2 MCIO port 2 PCIe SlimSAS port 3 Orange CPU 2 MCIO port 1 PCIe SlimSAS port 1 Option kit: P49693-B21 Chassis intrusion detection switch cabling Chassis intrusion detection switch cabling HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 232 Color From From P47751-001 Orange Chassis intrusion detection Chassis intrusion detection switch switch connector Option kit: P47226-B21 Front I/O cabling Front I/O cabling Front I/O cables are preinstalled in the server. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 233 QuickSpecs (https://buy.hpe.com/us/en/p/1014696172 https://buy.hpe.com/us/en/p/1014696172). Products ordered from HPE Factory Express might have already been configured with some or all the configurations in this chapter. To determine if any additional setup is required, see your HPE Factory Express order. For the most recent changes, feature enhancements, and bug fixes, see the latest product release notes.
Page 234 Enable policy-based management of server or server group firmware for distributed server infrastructure https://www.hpe.com/info/com-docs https://www.hpe.com/info/com-docs Monitor server compliance with a configured firmware baseline Receive automatic iLO firmware updates Receive baseline update alerts Configuring the server Configuring the server HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 235 For running HPE OneView, do not use another tool, such as iLO, to delete or change certain settings. For more information about using HPE OneView and iLO to manage the same server, see the iLO user guide at https://www.hpe.com/support/ilo6 https://www.hpe.com/support/ilo6.
Page 236 Managing the HPE Managing the HPE NS204i Boot Device NS204i Boot Device For more information on supported features and maintenance information for the HPE NS204i Boot Device , see the HPE NS204 Boot Device User Guide: https://www.hpe.com/support/NS204-UG https://www.hpe.com/support/NS204-UG Deploying an OS Deploying an OS For a list of supported operating systems, see the HPE Servers Support &...
Page 237 HPE iLO 6 Security Technology Brief https://www.hpe.com/support/ilo6-security-en https://www.hpe.com/support/ilo6-security-en Configure and use the Server Configuration Lock feature on HPE Server Configuration Lock User Guide for HPE ProLiant servers and Trusted Supply Chain servers and other servers that have the Server HPE Synergy Configuration Lock feature enabled.
Page 238 Standard operating support 10° to 35°C (50° to 95°F) at sea level with an altitude derating of 1.0°C per every 305 m (1.8°F per every 1,000 ft) above sea level to a HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 239 40°C to 45°C (104°F to 113°F) at sea level with an altitude derating of 1.0°C per every 125 m (1.8°F per every 410 ft) above 900 m (2953 ft) to a maximum of 3,050 m (10,000 ft). The approved hardware configurations for this system are listed in the Extended Ambient Temperature Guidelines for Gen11 HPE ProLiant servers: https://www.hpe.com/support/ASHRAEGen11...
Page 240 IMPORTANT: IMPORTANT: When used in high performance compute workloads, the HPE NS204i Boot Device might cause the fans to operate at high speeds to maintain optimum system cooling. This high-speed fan operation can generate excessive fan noise and lead the system to be on standby mode.
Page 241 Subtopics Subtopics HPE 500 W Flex Slot Platinum Hot-plug Low Halogen Power Supply HPE 500 W Flex Slot Platinum Hot-plug Low Halogen Power Supply HPE 800 W Flex Slot Platinum Hot-plug Low Halogen Power Supply HPE 800 W Flex Slot Platinum Hot-plug Low Halogen Power Supply...
Page 242 HPE 500 W Flex Slot Platinum Hot-plug Low Halogen Power Supply 500 W Flex Slot Platinum Hot-plug Low Halogen Power Supply Specification Specification Value Value Input requirements Input requirements — Rated input voltage 100 VAC to 240 VAC 240 VDC for China only...
Page 243 800 W at 100 VAC to 240 VAC input 800 W at 240 VDC input for China only HPE 1000 W Flex Slot Titanium Hot-plug Power Supply HPE 1000 W Flex Slot Titanium Hot-plug Power Supply HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 244 Maximum peak power 1000 W at 100 VAC to 127 VAC 1000 W at 200 VAC to 240 VAC HPE 1600 W Flex Slot Platinum Hot-plug Low Halogen Power Supply HPE 1600 W Flex Slot Platinum Hot-plug Low Halogen Power Supply Specification...
Page 245 HPE 1600 W Flex Slot -48 VDC Hot-plug Power Supply 1600 W Flex Slot -48 VDC Hot-plug Power Supply Specification Specification Value Value Input requirements Input requirements — Rated input voltage -40 VDC to -72 VDC Rated input frequency Nominal input current 45 A DC at -40 VDC input 36.6 A DC at -48 VDC input...
Page 246 Some software products provide a mechanism for accessing software updates through the product interface. Review your product documentation to identify the recommended software update method. To download product updates: Hewlett Packard Enterprise Support Center HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...
Page 247 IMPORTANT: IMPORTANT: Access to some updates might require product entitlement when accessed through the Hewlett Packard Enterprise Support Center. You must have an HPE Onepass set up with relevant entitlements. Remote support Remote support Remote support is available with supported devices as part of your warranty or contractual support agreement. It provides intelligent event diagnosis, and automatic, secure submission of hardware event notifications to Hewlett Packard Enterprise, which initiates a fast and accurate resolution based on the service level of your product.
Page 248 Feedback button and icons (located at the bottom of an opened document) on the Hewlett Packard Enterprise Support Center portal (https://www.hpe.com/support/hpesc https://www.hpe.com/support/hpesc) to send any errors, suggestions, or comments. All document information is captured by the process. HPE ProLiant ML350 Gen11 Server Maintenance and Service Guide...

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