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HP ProLiant ML310e Gen Maintenance And Service Manual

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HP ProLiant ML310e Gen8 Server
Maintenance and Service Guide
Abstract
This document is for an experienced service technician. It is helpful if you are qualified in the servicing of computer equipment and trained in
recognizing hazards in products with hazardous energy levels and are familiar with weight and stability precautions for rack installations.
Part Number: 682265-002a
April 2014
Edition: 2

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Summary of Contents for HP ProLiant ML310e Gen

  • Page 1 HP ProLiant ML310e Gen8 Server Maintenance and Service Guide Abstract This document is for an experienced service technician. It is helpful if you are qualified in the servicing of computer equipment and trained in recognizing hazards in products with hazardous energy levels and are familiar with weight and stability precautions for rack installations.
  • Page 2 © Copyright 2012, 2014 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP 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. HP shall not be liable for technical or editorial errors or omissions contained herein.

  • Page 3: Table Of Contents

    Rear system fan ............................50 Dedicated iLO management port ......................... 50 Enabling the dedicated iLO management port ..................51 Non-hot-plug power supply ......................... 51 RPS backplane module ..........................52 RPS cage ..............................53 System board ............................54 HP Trusted Platform Module......................... 61 Contents 3...
  • Page 4 Server specifications ........................... 84 Power supply specifications ......................... 84 HP 350 W 4U Integrated Power Supply ..................... 85 HP 460 W CS Gold Hot-plug Power Supply (92% efficiency) ............... 85 Hot-plug power supply calculations ......................85 Support and other resources ......................86 Before you contact HP ..........................
  • Page 5 Acronyms and abbreviations ......................87 Documentation feedback ......................90 Index ............................91 Contents 5...

  • Page 6: Customer Self Repair

    HP specifies in the materials shipped with a replacement CSR part whether a defective part must be returned to HP. In cases where it is required to return the defective part to HP, you must ship the defective part back to HP within a defined period of time, normally five (5) business days. The defective part must be returned with the associated documentation in the provided shipping material.
  • Page 7 HP sono realizzati con numerosi componenti che possono essere riparati direttamente dal cliente (CSR, Customer Self Repair). Se in fase di diagnostica HP (o un centro di servizi o di assistenza HP) identifica il guasto come riparabile mediante un ricambio CSR, HP lo spedirà direttamente al cliente per la sostituzione.
  • Page 8 La mancata restituzione del componente può comportare la fatturazione del ricambio da parte di HP. Nel caso di riparazione da parte del cliente, HP sostiene tutte le spese di spedizione e resa e sceglie il corriere/vettore da utilizzare.
  • Page 9 Si, durante la fase de diagnóstico, HP (o los proveedores o socios de servicio de HP) identifica que una reparación puede llevarse a cabo mediante el uso de un componente CSR, HP le enviará dicho componente directamente para que realice su sustitución. Los componentes CSR se clasifican en dos categorías:...
  • Page 10 HP podrá cobrarle por el de sustitución. En el caso de todas sustituciones que lleve a cabo el cliente, HP se hará cargo de todos los gastos de envío y devolución de componentes y escogerá la empresa de transporte que se utilice para dicho servicio.
  • Page 11 Opcional – Peças cujo reparo feito pelo cliente é opcional. Essas peças também são projetadas para o reparo feito pelo cliente. No entanto, se desejar que a HP as substitua, pode haver ou não a cobrança de taxa adicional, dependendo do tipo de serviço de garantia destinado ao produto.
  • Page 12 No caso desse serviço, a substituição de peças CSR é obrigatória. Se desejar que a HP substitua essas peças, serão cobradas as despesas de transporte e mão-de-obra do serviço. Customer self repair 12...
  • Page 13 Customer self repair 13...
  • Page 14 Customer self repair 14...
  • Page 15 Customer self repair 15...

  • Page 16: Illustrated Parts Catalog

    Optional—Parts for which customer self repair is optional. These parts are also designed for customer self repair. If, however, you require that HP replace them for you, there may or may not be additional charges, depending on the type of warranty service designated for your product.
  • Page 17 Optional: Opcional—Peças cujo reparo feito pelo cliente é opcional. Essas peças também são projetadas para o reparo feito pelo cliente. No entanto, se desejar que a HP as substitua, pode haver ou não a cobrança de taxa adicional, dependendo do tipo de serviço de garantia destinado ao produto.
  • Page 18 Illustrated parts catalog 18...

  • Page 19: System Components

    System components Item Description Spare part Customer self repair number (on page 6) Optical drives — — a) SATA DVD-ROM drive 624591-001 Mandatory b) SATA DVD-RW drive* 624592-001 Mandatory Front I/O module 691939-001 Mandatory Eight-bay SFF hot-plug drive cage assembly 686753-001 Mandatory Eight-bay SFF hot-plug drive backplane...
  • Page 20 Item Description Spare part Customer self repair number (on page 6) d) 3 TB, 6G hard drive* 628183-001 Mandatory Non-hot-plug drives, SAS — — a) 450 GB, 6G hard drive* 517353-001 Mandatory b) 600 GB, 6G hard drive* 517355-001 Mandatory Hot-plug drives, SATA —...
  • Page 21 684035-001 Mandatory f) 8 GB, dual-rank x8 PC3L-10600E-9* 664696-001 Mandatory Rear system fan (92 x 32 mm) 686748-001 Mandatory Dedicated iLO management port module 686742-001 Mandatory HP 350 W 4U Integrated Power Supply Kit 686761-001 Mandatory Illustrated parts catalog 21...
  • Page 22 Optional—Parts for which customer self repair is optional. These parts are also designed for customer self repair. If, however, you require that HP replace them for you, there may or may not be additional charges, depending on the type of warranty service designated for your product.
  • Page 23 Optional: Opcional—Peças cujo reparo feito pelo cliente é opcional. Essas peças também são projetadas para o reparo feito pelo cliente. No entanto, se desejar que a HP as substitua, pode haver ou não a cobrança de taxa adicional, dependendo do tipo de serviço de garantia destinado ao produto.

  • Page 24: Removal And Replacement Procedures

    T-10/T-15 Torx screwdriver (on page 76) • Flathead screwdriver • HP Insight Diagnostics (on page 63) Safety considerations Before performing service procedures, review all the safety information. Preventing electrostatic discharge To prevent damaging the system, be aware of the precautions you need to follow when setting up the system or handling parts.

  • Page 25: Server Warnings And Cautions

    Get help to lift and stabilize the product during installation or removal, especially when the • product is not fastened to the rails. HP recommends that a minimum of two people are required for all rack server installations. A third person may be required to help align the server if the server is installed higher than chest level.

  • Page 26: Preparation Procedures

    Preparation procedures To access some components and perform certain service procedures, perform one or more of the following procedures: • Unlock the tower bezel. • Remove the tower bezel (on page 26). • Power down the server (on page 26). Before removing the server from a rack or a non-hot-plug component from the server, power down the server.

  • Page 27: Drive Blank Or Carrier

    To power down the server, use one of the following methods: • Press and release the Power On/Standby button. This method initiates a controlled shutdown of applications and the OS before the server enters standby mode. • Press and hold the Power On/Standby button for more than 4 seconds to force the server to enter standby mode.

  • Page 28: Storage Drive

    In a hot-plug drive configuration, remove the drive blank. To replace the LFF drive blank, slide the component into the bay until it clicks. To replace the SFF drive blank, while pressing the release latch, slide the component into the bay until it is fully seated.

  • Page 29: Hot-Plug Drive

    Remove the drive. Remove the drive from the carrier. To replace the component, reverse the removal procedure. Hot-plug drive 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. To remove the component: Back up all server data on the drive.

  • Page 30: Hot-Plug Power Supply

    Remove the drive. To replace the component, reverse the removal procedure. Hot-plug power supply 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. To remove the component: Power down the server (on page 26).

  • Page 31: Access Panel

    CAUTION: The default and redundant power supplies in the server must have the same output power capacity. Verify that all power supplies have the same part number and label color. The system becomes unstable and might shut down when it detects mismatched power supplies. To replace the component, reverse the removal procedure.

  • Page 32: Air Baffle

    Air baffle To remove the component: CAUTION: For proper cooling, do not operate the server without the access panel, baffles, expansion slot covers, or blanks installed. If the server supports hot-plug components, minimize the amount of time the access panel is open. Power down the server (on page 26).

  • Page 33: Drive Cage

    Disconnect the SATA and power cables from the optical drive. Remove the optical drive. To replace the component, reverse the removal procedure. Drive cage To remove the component: Power down the server (on page 26). Remove all power: Disconnect each power cord from the power source. Disconnect each power cord from the server.

  • Page 34: Drive Cage Bracket Or Backplane

    Four-bay LFF drive cage Eight-bay SFF drive cage To replace the component, reverse the removal procedure. To convert the four-bay non-hot-plug drive cage to a hot-plug model, remove the cage bracket, and then install the hot-plug backplane option before installing the cage back to the server ("Drive cage bracket or backplane"...
  • Page 35 Disconnect each power cord from the server. Remove the tower bezel (on page 26). Remove the access panel ("Access panel" on page 31). Remove all installed drives ("Storage drive" on page 28). Disconnect the drive cage cables: Disconnect the Mini-SAS cable from the system board or from the storage controller option. Disconnect the drive power cable from the 10-pin power supply connector.

  • Page 36: Front I/O Module

    For a hot-plug drive cage, loosen the backplane thumbscrew, and then remove the backplane assembly from the drive cage. To replace the component, reverse the removal procedure. Front I/O module To remove the component: Power down the server (on page 26). Remove all power: Disconnect each power cord from the power source.

  • Page 37: Front System Fan

    Remove the front I/O module. To replace the component, reverse the removal procedure. Front system fan To remove the component: Power down the server (on page 26). Remove all power: Disconnect each power cord from the power source. Disconnect each power cord from the server. Unlock the tower bezel.

  • Page 38: Dimms

    The server does not support: RDIMMs Non-ECC UDIMMs • When installing DIMMs: Populate the DIMM slots in this sequence: 2-A, 4-B, 1-C, 3-D. Use HP-qualified UDIMMs. Removing a DIMM Power down the server (on page 26). Removal and replacement procedures 38...

  • Page 39: Heatsink

    Remove all power: Disconnect each power cord from the power source. Disconnect each power cord from the server. Unlock the tower bezel. Remove the access panel ("Access panel" on page 31). Remove the air baffle ("Air baffle" on page 32). Open the DIMM slot latches.
  • Page 40 Remove the heatsink from the processor backplate. To replace the component: Clean the old thermal grease from the processor with the alcohol swab. Allow the alcohol to evaporate before continuing. Remove the thermal interface protective cover from the heatsink. CAUTION: Do not overtighten the screws as this might damage the board, connectors, or screws and voids the warranty of the board.

  • Page 41: Processor

    Finish the installation by completely tightening the screws in the same sequence. Install the air baffle ("Air baffle" on page 32). Install the access panel. Lock the tower bezel. Connect each power cord to the server. Connect each power cord to the power source. Press the Power On/Standby button.
  • Page 42 Remove the heatsink ("Heatsink" on page 39). CAUTION: To avoid damage to the processor, do not touch the bottom of the processor, especially the contact area. CAUTION: The pins on the processor socket are very fragile. Any damage to them may require replacing the system board.
  • Page 43 CAUTION: Be sure to close the processor socket retaining bracket before closing the processor locking lever. The lever should close without resistance. Forcing the lever closed can damage the processor and socket, requiring system board replacement. Close the processor retaining bracket, and then secure the processor locking lever. Clean the old thermal grease from the heatsink with the alcohol swab.

  • Page 44: Expansion Board

    Finish the installation by completely tightening the screws in the same sequence. Install the air baffle. Install the access panel. Lock the tower bezel. Connect each power cord to the server. Connect each power cord to the power source. Press the Power On/Standby button. The server exits standby mode and applies full power to the system.

  • Page 45: Flash-Backed Write Cache Procedures

    Remove the expansion board. To replace the component, reverse the removal procedure. Flash-backed write cache procedures The following types of procedures are provided for the FBWC option: • Removal and replacement of failed components: Removing the cache module ("FBWC module" on page 45) Removing the capacitor pack ("Capacitor pack"...

  • Page 46: Capacitor Pack

    Disconnect each power cord from the server. Unlock and open the tower bezel. Remove the access panel ("Access panel" on page 31). Remove the air baffle ("Air baffle" on page 32). CAUTION: When connecting or disconnecting the capacitor pack cable, the connectors on the cache module and cable are susceptible to damage.
  • Page 47 CAUTION: In systems that use external data storage, be sure that the server is the first unit to be powered down and the last to be powered back up. Taking this precaution ensures that the system does not erroneously mark the drives as failed when the server is powered up. To remove the component: Power down the server (on page 26).

  • Page 48: Recovering Data From The Flash-Backed Write Cache

    Set up a recovery server using an identical server model. Do not install any internal drives or FBWC in this server. (HP recommends this option.) Find a server that has enough empty drive bays to accommodate all the drives from the failed server and that meets all the other requirements for drive and array migration.

  • Page 49: System Battery

    System battery 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 to 10 years. WARNING: The computer contains an internal lithium manganese dioxide, a vanadium pentoxide, or an alkaline battery pack.

  • Page 50: Rear System Fan

    Rear system fan To remove the component: Power down the server (on page 26). Remove all power: Disconnect each power cord from the power source. Disconnect each power cord from the server. Unlock the tower bezel. Remove the access panel ("Access panel"...

  • Page 51: Enabling The Dedicated Ilo Management Port

    Remove the iLO module from the chassis. To replace the component, reverse the removal procedure. Enabling the dedicated iLO management port The onboard NIC 1/shared iLO connector is set as the default system iLO port. To enable the installed dedicated iLO module: During the server startup sequence after module installation, to access iLO RBSU, press the F8 key.

  • Page 52: Rps Backplane Module

    WARNING: To reduce the risk of personal injury from hot surfaces, allow the power supply or power supply blank to cool before touching it. Disconnect the power supply cables from the drive cage and the system board. Remove the power supply. To replace the component, reverse the removal procedure.

  • Page 53: Rps Cage

    Remove the RPS backplane module. To replace the component, reverse the removal procedure. RPS cage To remove the component: Power down the server (on page 26). Remove all power: Disconnect each power cord from the power source. Disconnect each power cord from the server. Unlock the tower bezel.

  • Page 54: System Board

    Remove the power supply cage. To replace the component, reverse the removal procedure. System board CAUTION: To avoid ESD damage, when removing electrostatic-sensitive components from the failed system board, place the components on a static-dissipating work surface or inside separate antistatic bags.
  • Page 55 Remove the heatsink from the processor backplate. CAUTION: To avoid damage to the processor, do not touch the bottom of the processor, especially the contact area. Open the processor locking lever, and then open the processor retaining bracket. Grasp the processor by the edges, and then lift it out of the socket. Remove all DIMMs ("Removing a DIMM"...
  • Page 56 Lift the system board out of the chassis. To replace the system board: Install the system board. Connect all cables disconnected from the failed system board. Install the DIMMs. If removed, install the dedicated iLO management port. Install the expansion boards. CAUTION: Failure to completely open the processor locking lever prevents the processor from seating during installation, leading to hardware damage.
  • Page 57 Open the processor locking lever, and then open the processor retaining bracket. Remove the processor socket cover. CAUTION: THE PINS ON THE SYSTEM BOARD ARE VERY FRAGILE AND EASILY DAMAGED. To avoid damage to the system board: Do not touch the processor socket contacts. •...
  • Page 58 Install the processor. Use the notches on both sides of the processor to properly align it into the socket. CAUTION: Be sure to close the processor socket retaining bracket before closing the processor locking lever. The lever should close without resistance. Forcing the lever closed can damage the processor and socket, requiring system board replacement.
  • Page 59 Finish the installation by completely tightening the screws in the same sequence. CAUTION: When returning a damaged system board to HP, always install all processor socket covers to prevent damage to the processor sockets and system board. Removal and replacement procedures 59...
  • Page 60 Install the processor socket cover on the failed system board. Connect all cables disconnected from the failed system board. Install the capacitor pack. Install the rear system fan. Install the air baffle. Install the access panel. Lock the tower bezel. Connect each power cord to the server.

  • Page 61: Hp Trusted Platform Module

    If you suspect a TPM board failure, leave the TPM installed and remove the system board. Contact an HP authorized service provider for a replacement system board and TPM board.

  • Page 62: Troubleshooting

    • Simplified Chinese (http://www.hp.com/support/ProLiant_TSG_v1_sc) The HP ProLiant Gen8 Troubleshooting Guide, Volume II: Error Messages provides a list of error messages and information to assist with interpreting and resolving error messages on ProLiant servers and server blades. To view the guide, select a language: •...

  • Page 63: Diagnostic Tools

    HP strongly recommends that you install HP Insight Remote Support software to complete the installation or upgrade of your product and to enable enhanced delivery of your HP Warranty, HP Care Pack Service, or HP contractual support agreement. HP Insight Remote Support supplements your monitoring continuously to...

  • Page 64: Hp Rom-Based Setup Utility

    Configuring memory options • Language selection For more information on RBSU, see the HP ROM-Based Setup Utility User Guide on the Documentation CD or the HP website (http://www.hp.com/support/smartstart/documentation). Integrated Management Log The IML records hundreds of events and stores them in an easy-to-view form. The IML timestamps each event with 1-minute granularity.

  • Page 65: Usb Support And Functionality

    ASR is a feature that causes the system to restart when a catastrophic operating system error occurs, such as a blue screen, ABEND (does not apply to HP ProLiant DL980 Servers), or panic. A system fail-safe timer, the ASR timer, starts when the System Management driver, also known as the Health Driver, is loaded. When the operating system is functioning properly, the system periodically resets the timer.

  • Page 66: Component Identification

    Component identification Front panel components Item Description Optical drive (optional) Media drive bay USB connectors Power On/Standby button and system power LED Drive bays (inside) Component identification 66...

  • Page 67: Front Panel Leds And Buttons

    Front panel LEDs and buttons Item Description Status UID button/LED Solid blue = Activated Flashing blue (1 Hz/cycle per sec) = Remote management or firmware upgrade in progress Off = Deactivated Health LED Solid green = Normal Flashing amber = System degraded Flashing red (1 Hz/cycle per sec) = System critical Fast-flashing red (4 Hz/cycles per sec) = Power fault* NIC status LED...

  • Page 68: Rear Panel Components

    Rear panel components Item Description Non-hot-plug power supply Slot 4 PCIe x16 (8, 4, 1)* Slot 3 PCIe x8 (8, 4, 1)* Slot 2 PCIe x8 (4, 1)* Slot 1 PCIe x4 (1)* Expansion slot cover retainer Serial connector Video connector Dedicated iLO management port (optional) NIC 1/shared iLO management connector NIC connector 2...

  • Page 69: Rear Panel Leds And Buttons

    Blue = Identification is activated Flashing blue = System is being managed remotely Off = Identification is deactivated Power supply LED (for hot-plug HP Green = Normal CS power supplies only)* Off = One or more of the following conditions exists: •...

  • Page 70: System Board Components

    System board components Item Description RPS connector Processor socket System battery 24-pin power supply connector Mini-SAS connector SATA connectors Internal USB cable connector Internal USB connector SD card slot Front USB connector 2 Front USB connector 1 Front panel LED connector Fan connector 2 Reserved Ambient thermal sensor connector...

  • Page 71: Dimm Slot Locations

    * For more information on the expansion slot specifications, see "PCIe expansion slot definitions (on page 71)." DIMM slot locations DIMM slots are numbered sequentially (1 through 4) for the processor. The supported AMP modes use the letter assignments for population guidelines. PCIe expansion slot definitions The transfer rate of the PCIe expansion slots 3 and 4 depends on the processor model installed.

  • Page 72: Nmi Functionality

    To force the system to invoke the NMI handler and generate a crash dump log, do one of the following: • Use the iLO Virtual NMI feature. • Short the NMI header ("System board components" on page 70). For more information, see the HP website (http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00797875/c00797875.pdf). Component identification 72...

  • Page 73: Drive Numbering

    Drive numbering • Four-bay LFF drive model • Eight-bay SFF drive model Component identification 73...

  • Page 74: Hot-Plug Drive Led Definitions

    Hot-plug drive LED definitions Item Status Definition Locate Solid blue The drive is being identified by a host application. Flashing blue The drive carrier firmware is being updated or requires an update. Activity ring Rotating green Drive activity No drive activity Do not remove Solid white Do not remove the drive.

  • Page 75: Fbwc Module Led Definitions

    FBWC module LED definitions The FBWC module has three single-color LEDs (one amber and two green). The LEDs are duplicated on the reverse side of the cache module to facilitate status viewing. 1 - Amber 2 - Green 3 - Green Interpretation The cache module is not powered.

  • Page 76: Fan Locations

    Fan locations Item Description Rear system fan (fan 1, for processor cooling) Front system fan (fan 2, for expansion board cooling) T-10/T-15 Torx screwdriver The server includes a T-10/T-15 Torx screwdriver located on the side of the media drive cage. Use the screwdriver to loosen screws during hardware configuration procedures.

  • Page 77: Cabling

    For information on cabling peripheral components, refer to the white paper on high-density deployment at the HP website (http://www.hp.com/products/servers/platforms). CAUTION: When routing cables, always be sure that the cables are not in a position where they can be pinched or crimped.

  • Page 78: System Fan Cabling

    System fan cabling Item Description Rear system fan cable Front system fan cable Storage cabling Four-bay LFF drive cabling Non-hot-plug, SATA drive support only Cabling 78...
  • Page 79 Item Description Power cable Data cable Non-hot-plug, SATA and SAS drive support Item Description Power cable Data cable Hot-plug, SATA drive support Item Description Power cable Cabling 79...

  • Page 80: Eight-Bay Sff Drive Cabling

    Item Description Mini-SAS cable Hot-plug, SATA and SAS drive support Item Description Power cable Mini-SAS cable Eight-bay SFF drive cabling This drive configuration supports hot-plug SATA and SAS drives. Item Description Power cable Cabling 80...

  • Page 81: Media Drive Cabling

    Item Description Mini-SAS cable Mini-SAS cable Media drive cabling • Media drives in a nonredundant power configuration Item Description Upper media drive power cable Lower media drive SATA cable Upper media drive SATA cable Lower media drive power cable Cabling 81...

  • Page 82: Power Supply Cabling

    • Media drive in a redundant power configuration Item Description Upper media drive SATA cable Upper media drive power cable Power supply cabling Nonredundant power supply cabling Item Description 24-pin power supply cable 4-pin power supply cable Cabling 82...

  • Page 83: Redundant Power Supply Cabling

    Redundant power supply cabling Item Description 24-pin power supply cable 26-pin RPS cable 4-pin power supply cable (with the 8-pin to 4-pin adapter cable connected) Capacitor pack cabling Cabling 83...

  • Page 84: Specifications

    Depending on installed options, the server is configured with one of the following power supplies: • HP 350 W 4U Integrated Power Supply • HP 460 W CS Gold Hot-plug Power Supply (92% efficiency) CAUTION: Check the system and power supply input ratings before powering up the server. Specifications 84...

  • Page 85: Hp 350 W 4U Integrated Power Supply

    400 W at 100 V AC input Maximum peak power 400 W at 200 V AC input 350 W Rated output power HP 460 W CS Gold Hot-plug Power Supply (92% efficiency) Specification Value — Input requirements 100 V AC to 240 V AC...

  • Page 86: Support And Other Resources

    Active Health System log (HP ProLiant Gen8 or later products) Download and have available an Active Health System log for 3 days before the failure was detected. For more information, see the HP iLO 4 User Guide or HP Intelligent Provisioning User Guide on the HP website (http://www.hp.com/go/ilo/docs).

  • Page 87: Acronyms And Abbreviations

    Advanced Memory Protection Automatic Server Recovery Customer Self Repair double data rate FBWC flash-backed write cache HP CS HP Common Slot (power supply) HP SIM HP Systems Insight Manager Integrated Lights-Out Integrated Management Log large form factor multilevel cell Acronyms and abbreviations 87...
  • Page 88 Power-On Self Test RBSU ROM-Based Setup Utility RDIMM registered dual in-line memory module redundant power supply serial attached SCSI SATA serial ATA Secure Digital small form factor single-level cell HP Service Pack for ProLiant Trusted Platform Module Acronyms and abbreviations 88...
  • Page 89 UDIMM unregistered dual in-line memory module unit identification universal serial bus Acronyms and abbreviations 89...

  • Page 90: Documentation Feedback

    Documentation feedback HP is committed to providing documentation that meets your needs. To help us improve the documentation, send any errors, suggestions, or comments to Documentation Feedback (mailto:docsfeedback@hp.com). Include the document title and part number, version number, or the URL when submitting your feedback.
  • Page 91 86 contacting HP 86 HP Insight Diagnostics 63 crash dump analysis 72 HP Insight Remote Support software 63 CSR (customer self repair) 6 HP technical support 6, 86 customer self repair (CSR) 6, 86 illustrated parts catalog 16...
  • Page 92 69 rear panel components 68 rear panel LEDs 69 removal and replacement procedures 24 warnings 25 required tools 24 website, HP 86 resources 86 weight 84 RPS cabling 52, 53 safety considerations 24 SAS and SATA device numbers 73...

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