background image

Troubleshooting

Troubleshooting resources

Troubleshooting resources are available for HPE Gen10 server products in the following documents:

Troubleshooting Guide for HPE ProLiant Gen10 servers

 provides procedures for resolving common

problems and comprehensive courses of action for fault isolation and identification, issue resolution,
and software maintenance.

Error Message Guide for HPE ProLiant Gen10 servers and HPE Synergy

 provides a list of error

messages and information to assist with interpreting and resolving error messages.

Integrated Management Log Messages and Troubleshooting Guide for HPE ProLiant Gen10 and HPE
Synergy

 provides IML messages and associated troubleshooting information to resolve critical and

cautionary IML events.

To access the troubleshooting resources, see the Hewlett Packard Enterprise Information Library (

http://

www.hpe.com/info/gen10-troubleshooting

).

Troubleshooting

79

Summary of Contents for HPE ProLiant ML110 Gen10

Page 1: ...and maintenance procedures diagnostic tools specifications and requirements for hardware components and software This guide is for an experienced service technician Hewlett Packard Enterprise assumes...

Page 2: ...required for possession use or copying Consistent with FAR 12 211 and 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U...

Page 3: ...spare part 13 Front USB 3 0 ports cable spare part 13 iLO Service Port cable spare part 13 Server options 13 Eight bay SFF drive cage assembly spare part 14 Four bay LFF drive cage backplane spare par...

Page 4: ...Removing and replacing the four bay LFF drive backplane 53 Removing and replacing the eight bay SFF drive cage assembly 54 Removing and replacing the M 2 SSD enablement board 55 Removing and replacin...

Page 5: ...lity 90 System board components 91 System maintenance switch descriptions 93 DIMM label identification 93 DIMM slot locations 95 PCIe slot description 95 Drives 96 Low profile LFF drive LED definition...

Page 6: ...Safety warranty and regulatory information 121 Safety and regulatory compliance 121 Warranty information 121 Belarus Kazakhstan Russia marking 121 Turkey RoHS material content declaration 122 Ukraine...

Page 7: ...ee the Hewlett Packard Enterprise PartSurfer website http www hpe com info partssurfer Item Description 1 Flexible slot power supply blank spare part on page 7 2 SFF drive blank spare part on page 8 3...

Page 8: ...hot plug drive cage spare part Customer self repair on page 17 Mandatory Description Spare part number Four bay LFF non hot plug drive cage 792353 001 PCI air baffle spare part Customer self repair o...

Page 9: ...ge 10 5 Redundant fan spare part on page 10 6 System battery spare part on page 11 7 System board assembly spare part on page 11 8 DIMM spare parts on page 11 9 Heatsink spare part on page 12 10 First...

Page 10: ...ly 866730 001 Redundant power supply backplane spare part Customer self repair on page 17 Mandatory Description Spare part number Redundant power supply backplane module cables included 878925 001 Non...

Page 11: ...Intel Xeon Scalable Processors 878926 001 System board assembly for the second generation Intel Xeon Scalable Processors P11532 001 DIMM spare parts Customer self repair on page 17 Mandatory Descripti...

Page 12: ...0 GHz Intel Xeon Bronze 3106 8C 85 W 875710 001 Intel Xeon Silver series processors 1 80 GHz Intel Xeon Silver 4108 8C 85 W 875712 001 2 10 GHz Intel Xeon Silver 4110 8C 85 W 875711 001 2 60 GHz Intel...

Page 13: ...e part number Default system fan 878928 001 Serial port cable spare part Customer self repair on page 17 Mandatory Description Spare part number Serial port cable 875571 001 Front USB 3 0 ports cable...

Page 14: ...are part on page 15 6 Four bay LFF non hot plug drive SATA to Mini SAS cable spare part on page 15 7 Optical drive SATA power cable spare part on page 15 8 Storage controller backup power cable spare...

Page 15: ...96 W 260 mm cable 878644 001 Serial port cable spare part Customer self repair on page 17 Mandatory Description Spare part number Serial port cable 875571 001 Four bay LFF eight bay SFF hot plug driv...

Page 16: ...t Customer self repair on page 17 Mandatory Description Spare part number HPE Smart Array SR controller backup power cable 878646 001 HPE Trusted Platform Module 2 0 spare part Customer self repair on...

Page 17: ...cifies in the materials shipped with a replacement CSR part whether a defective part must be returned to Hewlett Packard Enterprise In cases where it is required to return the defective part to Hewlet...

Page 18: ...i t de courses ou le transporteur utiliser Pour plus d informations sur le programme CSR de Hewlett Packard Enterprise contactez votre Mainteneur Agr e local Pour plus d informations sur ce programme...

Page 19: ...en zu minimieren und h here Flexibilit t beim Austausch defekter Bauteile zu erm glichen Wenn Hewlett Packard Enterprise oder ein Hewlett Packard Enterprise Servicepartner bei der Diagnose feststellt...

Page 20: ...tos componentes tambi n est n dise ados para que puedan ser reparados por el usuario Sin embargo si precisa que Hewlett Packard Enterprise realice su sustituci n puede o no conllevar costes adicionale...

Page 21: ...Packard Enterprise onderdelen zijn niet ontwikkeld voor reparatie door de klant In verband met de garantievoorwaarden moet het onderdeel door een geautoriseerde Service Partner worden vervangen Deze...

Page 22: ...o enviadas no primeiro dia til ap s o pedido Onde as condi es geogr ficas permitirem a entrega no mesmo dia ou em quatro horas pode ser feita mediante uma taxa adicional Se precisar de aux lio entre...

Page 23: ...Customer self repair 23...

Page 24: ...24 Customer self repair...

Page 25: ...Customer self repair 25...

Page 26: ...arrive at static free workstations Place parts on a grounded surface before removing them from their containers Avoid touching pins leads or circuitry Always be properly grounded when touching a stati...

Page 27: ...the potential for injury exists WARNING To reduce the risk of injury from a hot component allow the surface to cool before touching This symbol indicates that the component exceeds the recommended we...

Page 28: ...Rack warnings and cautions WARNING When all components are removed the server weighs When all components are installed the server can weigh up to Before configuring your rack solution be sure to check...

Page 29: ...inue to populate the rack from the bottom to the top CAUTION Before installing the server in a enclosure be sure to properly scope the limitations of the enclosure Before proceeding with the installat...

Page 30: ...f personal injury or damage to the equipment Observe local occupational health and safety requirements and guidelines for manual material handling Get help to lift and stabilize the product during ins...

Page 31: ...erver out of the rack 6 Lift the server from the tray 7 Place the server on a sturdy level surface Position the tower server for hardware configuration Procedure Place the server on a flat level surfa...

Page 32: ...e beginning any installation procedure Improper grounding can cause electrostatic discharge Procedure 1 Power down the server on page 29 2 Remove all power a Disconnect each power cord from the power...

Page 33: ...n the server 2 Remove all power a Disconnect each power cord from the power source b Disconnect each power cord from the server 3 If the front bezel is locked by the internal locker remove the access...

Page 34: ...h power cord from the server 3 Disconnect all peripheral cables from the server 4 Do one of the following Server in rack mode Remove the server from the rack on page 30 Server in tower mode Position t...

Page 35: ...he server 3 Disconnect all peripheral cables from the server 4 Do one of the following Server in rack mode Remove the server from the rack on page 30 Server in tower mode Position the tower server for...

Page 36: ...t the access panel baffles expansion slot covers or blanks installed Procedure 1 Install the system air baffle 2 Install the PCI air baffle on page 37 3 Install the front bezel on page 38 4 Install th...

Page 37: ...te the server without the access panel baffles expansion slot covers or blanks installed Procedure 1 Install the PCI air baffle 2 Install the front bezel on page 38 3 Install the access panel on page...

Page 38: ...cable documentation for instructions 3 Do one of the following Server in rack mode Install the server into the rack on page 39 Server in tower mode Return the server to an upright position 4 Connect...

Page 39: ...k on page 39 Server in tower mode Return the server to an upright position 5 Connect all peripheral cables to the server 6 Connect each power cord to the server 7 Connect each power cord to the power...

Page 40: ...he center of the server tray Align the front panel of the server with the edge of the tray 3 Press and hold the blue rail release tabs and then slide the server tray back into the rack 40 Removal and...

Page 41: ...rews 5 Connect all peripheral cables and power cords to the rear panel 6 Secure the power cord with the strain relief strap Roll the extra length of the strap around the power input module handle Remo...

Page 42: ...creen select System Configuration BIOS Platform Configuration RBSU Advanced Options Fan and Thermal Options Thermal Configuration 2 Select Increased Cooling 3 Save your setting Power up the server To...

Page 43: ...F drive blank Procedure 1 Remove the front bezel on page 33 2 Remove the drive blank 3 To replace the blank slide the blank into the bay until it locks into place Removing and replacing drives Removin...

Page 44: ...dure Removing and replacing the non hot plug drive Prerequisites Before you perform this procedure make sure you have the T 15 Torx screwdriver available Procedure 1 Power down the server on page 29 2...

Page 45: ...drives before removing them The drives must be returned to their original locations 12 Remove the drives To replace the component reverse the removal procedure Removing and replacing the front panel...

Page 46: ...e system board 10 Remove the front panel LEDs cable a Remove the screw b Remove the front panel LEDs cable from the front panel To replace the component reverse the removal procedure Removing and repl...

Page 47: ...ect the front USB 3 0 ports cable from the system board 10 Remove the front panel USB ports cable a Remove the screws b Remove the front panel USB ports cable from the front panel To replace the compo...

Page 48: ...le on page 35 9 Disconnect the iLO Service Port cable from the system board 10 Remove the iLO Service Port cable a Remove the screw b Release the cable secured in the cable clip on the chassis c Pull...

Page 49: ...rdware configuration on page 31 5 Remove the access panel on page 32 6 Remove the PCI air baffle on page 34 7 Remove the system air baffle on page 35 8 Remove the serial port bracket a Loosen the thum...

Page 50: ...ing a DIMM expansion board or any other circuit board component due to a perceived hardware error verify that the component is firmly seated in the slot Do not bend or flex circuit boards when reseati...

Page 51: ...from the server 3 Disconnect all peripheral cables from the server 4 Do one of the following Server in rack mode Remove the server from the rack on page 30 Server in tower mode Position the tower serv...

Page 52: ...r down the server on page 29 2 Remove all power a 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...

Page 53: ...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 Server in rack mode Remove the server f...

Page 54: ...s and drive blanks 12 Remove the drive cage 13 Remove the drive backplane To replace the component reverse the removal procedure Removing and replacing the eight bay SFF drive cage assembly Prerequisi...

Page 55: ...the front bezel on page 33 7 Remove the PCI air baffle on page 34 8 Remove the system air baffle on page 35 9 Disconnect all existing drive cables 10 Label the drives before removing them The drives m...

Page 56: ...er 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 Server in rack mode Remove the server from the r...

Page 57: ...ve the server from the rack on page 30 Server in tower mode Position the tower server for hardware configuration on page 31 5 Remove the access panel on page 32 6 Remove the PCI air baffle on page 34...

Page 58: ...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 Server in rack mode Remove the server fr...

Page 59: ...this procedure make sure that you have a T 15 Torx screwdriver available Procedure 1 Power down the server on page 29 2 Remove all power a Disconnect each power cord from the power source b Disconnect...

Page 60: ...er 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 Server in rack mode Remove the server from the r...

Page 61: ...rom the server 3 Disconnect all peripheral cables from the server 4 Do one of the following Server in rack mode Remove the server from the rack on page 30 Server in tower mode Position the tower serve...

Page 62: ...isconnect each power cord from the server 3 Disconnect all peripheral cables from the server 4 Do one of the following Server in rack mode Remove the server from the rack on page 30 Server in tower mo...

Page 63: ...cooling and thermal damage do not operate the server unless all bays are populated with either a component or a blank To replace the component reverse the removal procedure Removing and replacing a F...

Page 64: ...Remove the power supply To replace the component reverse the removal procedure Removing and replacing the redundant power supply backplane module Prerequisites Before you perform this procedure make...

Page 65: ...ck on page 30 Server in tower mode Position the tower server for hardware configuration on page 31 5 Remove the access panel on page 32 6 Remove the PCI air baffle on page 34 7 Remove the system air b...

Page 66: ...he power source b Disconnect each power cord from the server 3 Disconnect all peripheral cables from the server 4 Do one of the following Server in rack mode Remove the server from the rack on page 30...

Page 67: ...power cord from the server 3 Disconnect all peripheral cables from the server 4 Do one of the following Server in rack mode Remove the server from the rack on page 30 Server in tower mode Position th...

Page 68: ...Disconnect each power cord from the server 3 Disconnect all peripheral cables from the server 4 Do one of the following Server in rack mode Remove the server from the rack on page 30 Server in tower...

Page 69: ...hium manganese dioxide a vanadium pentoxide or an alkaline battery that provides power to the real time clock If this battery is not properly handled a risk of the fire and burns exists To reduce the...

Page 70: ...r mode Position the tower server for hardware configuration on page 31 5 Remove the access panel on page 32 6 Remove the PCI air baffle on page 34 7 Remove the system air baffle on page 35 8 Replace t...

Page 71: ...from the socket 3 Remove the battery 4 Install the system battery For more information about battery replacement or proper disposal contact an authorized reseller or an authorized service provider Re...

Page 72: ...page 32 6 Remove the PCI air baffle on page 34 7 Remove the system air baffle on page 35 8 Remove the energy pack 9 Disconnect the energy pack cable from the system board connector and then remove th...

Page 73: ...page 30 Server in tower mode Position the tower server for hardware configuration on page 31 5 Remove the access panel on page 32 6 Remove the PCI air baffle on page 34 7 Remove the system air baffle...

Page 74: ...possible after removing it Do not leave the processor socket unpopulated for extended periods of time 16 Remove the processor heatsink assembly a Allow the heatsink to cool b Loosen the heatsink nuts...

Page 75: ...fore you perform this procedure make sure that you have the following items available T 30 Torx screwdriver T 15 Torx screwdriver Procedure 1 Install the spare system board 2 Install the processor hea...

Page 76: ...on the socket The heatsink alignment posts are keyed The processor will only install one way A standard heatsink is shown your heatsink might look different CAUTION Be sure to tighten each heatsink n...

Page 77: ...he product ID Re entering the server serial number and product ID After you replace the system board the server serial number and the product ID must be configured Procedure 1 Access System Utilities...

Page 78: ...rver and powered up on a different server data stored in the TPM including keys will be erased If you suspect a TPM board failure leave the TPM installed and remove the system board Replacing the syst...

Page 79: ...tenance Error Message Guide for HPE ProLiant Gen10 servers and HPE Synergy provides a list of error messages and information to assist with interpreting and resolving error messages Integrated Managem...

Page 80: ...ure Boot that enables the system firmware option card firmware operating systems and software collaborate to enhance platform security UEFI Graphical User Interface GUI An Embedded UEFI Shell that pro...

Page 81: ...d operating systems with boot loaders must have an appropriate digital signature to execute during the boot process Operating systems must support Secure Boot and have an EFI boot loader signed with o...

Page 82: ...OTE After you have selected a mode you must reprovision the server to change the mode that launches when you boot to F10 Intelligent Provisioning prepares the system for installing original licensed v...

Page 83: ...nformation about specific versions of a supported operating system see the OS Support Matrix on the Hewlett Packard Enterprise website http www hpe com info ossupport HPE Insight Remote Support Hewlet...

Page 84: ...istrator HPE SSA is the main tool for configuring arrays on HPE Smart Array SR controllers It exists in three interface formats the HPE SSA GUI the HPE SSA CLI and HPE SSA Scripting All formats provid...

Page 85: ...oad the HPE SSA executables and install them You can run HPE SSA online after launching the host operating system For more information see HPE Smart Array SR Gen10 Configuration Guide at the Hewlett P...

Page 86: ...Component identification Front panel components Item Description 1 Box 2 2 Box 1 3 USB 3 0 ports 2 4 iLO Service Port 5 PCI fan 6 Slim optical drive optional 86 Component identification...

Page 87: ...ber System degraded3 Flashing red System critical3 3 NIC status LED1 Solid green Linked to network Flashing green Network active Off No network activity 1 When all three LEDs described in this table s...

Page 88: ...vior System board 1 flash Processor 2 flashes Memory 3 flashes Riser board PCIe slots 4 flashes FlexibleLOM 5 flashes Removable HPE Smart Array SR Gen10 controller 6 flashes System board PCIe slots 7...

Page 89: ...ptional 12 Slot 3 PCIe3 x8 8 4 1 13 Slot 2 PCIe3 x8 4 1 14 Slot 1 PCIe3 x16 16 8 4 1 15 USB 3 0 ports 2 16 USB 2 0 ports 2 17 NIC port 21 18 VGA port 1 The Broadcom 5720 based embedded HPE 332i Ethern...

Page 90: ...Off No network link 4 NIC link LED Solid green Network link Off No network link 5 NIC status LED Solid green Linked to network Flashing green Network active Off No network link 6 UID button LED Solid...

Page 91: ...2 Fan connector 3 for the default and redundant system fans 3 DIMM slots 4 24 pin power supply connector 5 RPSU connector 6 Processor 7 System battery 8 Front I O cable connector 9 x4 SATA port 1 10 x...

Page 92: ...2 19 microSD card slot1 20 System maintenance switch 21 Energy pack connector 22 Internal USB 2 0 port 23 Slot 5 PCIe3 x8 4 1 24 Serial port connector 25 Slot 4 PCIe3 x16 16 8 4 1 26 Internal USB 3 0...

Page 93: ...dundant ROM set S1 S5 and S6 to On 2 When the system maintenance switch position 6 is set to the On position the system is prepared to restore all configuration settings to their manufacturing default...

Page 94: ...mory generation PC4 DDR4 5 Maximum memory speed 2133 MT s 2400 MT s 2666 MT s 2933 MT s 6 CAS latency P CAS 15 15 15 T CAS 17 17 17 U CAS 20 18 18 V CAS 19 19 19 for RDIMM LRDIMM V CAS 22 19 19 for 3D...

Page 95: ...the HPE DDR4 SmartMemory QuickSpecs on the Hewlett Packard Enterprise website http www hpe com support DDR4SmartMemoryQS DIMM slot locations The DIMM slots are numbered 1 through 6 The arrow in the fo...

Page 96: ...ices communicate through a logical connection called an interconnect or link At the physical level a link is composed of one or more lanes The number of lanes is written with an prefix with 16 being t...

Page 97: ...g normally and has activity Flashing green 1 flash per second The drive is doing one of the following Rebuilding Performing a RAID migration Performing a strip size migration Performing a capacity exp...

Page 98: ...Flashing amber green The drive is a member of one or more logical drives and predicts the drive will fail Flashing amber The drive is not configured and predicts the drive will fail Solid amber The dr...

Page 99: ...LFF drive numbering Smart Array controller SFF drive bay numbering Smart Array controller Component identification 99...

Page 100: ...stem fan 2 Default PCI fan The server also supports the redundant fan options For more information see HPE ProLiant ML110 Gen10 User Guide on the Hewlett Packard Enterprise website http www hpe com in...

Page 101: ...orderly shutdown In redundant fan mode A fan rotor failure will switch the system to nonredundant fan mode This change is indicated by the Health LED flashing amber The system continues to operate no...

Page 102: ...e to verify the length of the cable Use the internal cable management features to properly route and secure the cables When routing cables be sure that the cables are not in a position where they can...

Page 103: ...strict airflow If you intend to use the removed cables later label and store them for future use Drive cabling LFF non hot plug drive cabling Eight bay LFF non hot plug drive cabling Cable Color Descr...

Page 104: ...g drive to system board x4 SATA port 2 Gold Box 1 non hot plug drive to system board x4 SATA port 1 LFF hot plug drive cabling Box 1 drive backplane connected to the system board Cable Color Descripti...

Page 105: ...ower supply cable Blue Box 2 drive backplane Mini SAS cable to system board x4 SATA port 2 Box 1 and Box 2 drive backplanes connected to a Smart Array controller Cable Color Description Orange Box 2 d...

Page 106: ...to controller port 1 SFF hot plug drive cabling Box 1 drive backplane connected to the system board Cable color Description Orange Drive power supply cable Blue Box 1 drive backplane port 1 Mini SAS...

Page 107: ...Drive power supply cable Blue Box 1 drive backplane port 1 Mini SAS cable to type p controller port 1 Gold Box 1 drive backplane port 2 Mini SAS cable to type p controller port 2 Storage controller ca...

Page 108: ...16 bay SFF hot plug drive cage Cable color Description Blue Box 2 drive backplane port 1 Mini SAS cable to slot 1 type p controller port 1 Gold Box 2 drive backplane port 2 Mini SAS cable to slot 1 ty...

Page 109: ...Storage controller backup power cabling Energy pack cabling Cabling 109...

Page 110: ...Optical drive cabling Cable color Description Orange Power supply cable Blue Drive power supply cable Gold SATA cable M 2 SSD cabling 110 Cabling...

Page 111: ...ion Orange SATA cable from M 2 SSD enablement board port 1 to system board SATA port 9 Blue SATA cable from M 2 SSD enablement board port 2 to system board SATA port 10 Front I O cabling Front USB 3 0...

Page 112: ...iLO Service Port cabling Fan cabling Default system fan cabling 112 Cabling...

Page 113: ...Redundant system fan cabling Cable color Description Orange System fan cable to fan connector 4 Blue System fan cable to fan connector 3 Default PCI fan cabling Cabling 113...

Page 114: ...Redundant PCI fan cabling Cable color Description Orange PCI fan cable to fan connector 1 Blue PCI fan cable to fan connector 2 Serial port cabling 114 Cabling...

Page 115: ...Description Orange 8 pin power supply cable to box 2 drive backplane Blue 8 pin power supply cable to box 1 drive backplane and optical drive Gold 4 pin power supply cable to system board Pink 24 pin...

Page 116: ...old 4 pin power supply cable to system board Pink 24 pin power supply cable Flexible slot power supply hot plug Cable Color Description Pink Power supply cable Blue Box 1 drive backplane power supply...

Page 117: ...certain approved hardware configurations the supported system inlet temperature range is extended 5 C to 10 C 41 F to 50 F and 35 C to 40 C 95 F to 104 F at sea level with an altitude derating of 1 0...

Page 118: ...n hot plug power supply Specification Value Input requirements Rated input voltage 100 VAC to 240 VAC Rated input frequency 50 Hz to 60 Hz Rated input current 4 5 A at 100 VAC 1 9 A at 240 VAC Maximum...

Page 119: ...upply Specification Value Input requirements Rated input voltage 100 VAC to 127 VAC 200 VAC to 240 VAC 240 VDC for China only Rated input frequency 50 Hz to 60 Hz Not applicable to 240 VDC Rated input...

Page 120: ...0 W at 100 VAC to 127 VAC input 800 W at 100 VAC to 240 VAC input 800 W at 240 VDC input for China only Maximum peak power 800 W at 100 VAC to 127 VAC input 800 W at 100 VAC to 240 VAC input 800 W at...

Page 121: ...ty Compliance EnterpriseProducts Warranty information HPE ProLiant and x86 Servers and Options HPE Enterprise Servers HPE Storage Products HPE Networking Products Belarus Kazakhstan Russia marking Man...

Page 122: ...starting point for example 238 2 for 2002 and 38 for the week of September 9 In addition 2010 is indicated by 0 2011 by 1 2012 by 2 2013 by 3 and so forth YYWW where YY indicates the year using a base...

Page 123: ...y matrix www hpe com storage spock Storage white papers and analyst reports www hpe com storage whitepapers For additional general support websites see Support and other resources on page 124 Product...

Page 124: ...components Accessing updates Some software products provide a mechanism for accessing software updates through the product interface Review your product documentation to identify the recommended softw...

Page 125: ...ise strongly recommends that you register your device for remote support If your product includes additional remote support details use search to locate that information Remote support and Proactive C...

Page 126: ...gineers CSR customer self repair DDR4 double data rate 4 FCoE Fibre Channel over Ethernet GPU graphics processing unit HPE SSA HPE Smart Storage Administrator iLO Integrated Lights Out IML Integrated...

Page 127: ...power supply SAS serial attached SCSI SATA serial ATA SFF small form factor SMB small and medium business SPP Service Pack for ProLiant SSD solid state drive TPM Trusted Platform Module UDIMM unregist...

Reviews: