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Lenovo ThinkSystem SR635, Maintenance Manual

The Lenovo ThinkSystem SR635 is a high-performance server designed for smooth operations. Ensure optimal performance and longevity of your device by easily accessing the comprehensive Maintenance Manual. Download it for free from our website and unlock valuable insights to keep your device in top-notch condition.

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Eight 2.5-inch SATA drives and rear NVMe drive assembly

Notes: 

•  When the SAS/SATA backplanes are connected to PCIe connectors on the system board, only SATA 

drives are supported. No SAS drives are supported.

•  The cable routing illustration is based on the scenario that the rear hot-swap drive cage is installed. 

Depending on the model, the rear hot-swap drive cage might not be available on your server.

Figure 36. Cable routing for server model with eight 2.5-inch SATA drives and rear NVMe drive assembly

Cable

From

To

1 

SAS signal cable for front 

backplane

SAS 0 and SAS 1 connectors on 
the front backplane

PCIe connector 6 on the system board

2 

NVMe signal cable for rear 

backplane

NVMe connectors on the rear 
backplane

PCIe connector 1 on the system board

Chapter 2

.

Server components

45

Summary of Contents for ThinkSystem SR635

Page 1: ...ThinkSystem SR635 Maintenance Manual Machine Types 7Y98 and 7Y99 ...

Page 2: ...ddition ensure that you are familiar with the terms and conditions of the Lenovo warranty for your server which can be found at http datacentersupport lenovo com warrantylookup Eighth Edition June 2021 Copyright Lenovo 2019 2021 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant to a General Services Administration GSA contract use reproduction or disclosure is subject ...

Page 3: ...nical rules for GPU adapters 85 Technical rules for drives 87 Technical rules for HBA RAID adapters 88 Technical rules for PCIe NVMe adapter 88 Technical rules for Ethernet adapters 88 Top cover replacement 89 Remove the top cover 89 Install the top cover 90 Air baffle replacement 91 Remove the air baffle 92 Install the air baffle 93 Rack latches replacement 94 Remove the rack latches 94 Install t...

Page 4: ...emove a hot swap power supply 174 Install a hot swap power supply 179 Heat sink and microprocessor replacement 184 Remove a heat sink 184 Remove a processor 185 Install a processor 186 Install a heat sink 188 Fan board replacement 189 Remove the fan board 189 Install the fan board 190 Power inverter board PIB board replacement 191 Remove the PIB board 191 Install the PIB board 192 System board rep...

Page 5: ...Index 231 Copyright Lenovo 2019 2021 iii ...

Page 6: ...iv ThinkSystem SR635 Maintenance Manual ...

Page 7: ...iligheidsvoorschriften Ennen kuin asennat tämän tuotteen lue turvaohjeet kohdasta Safety Information Avant d installer ce produit lisez les consignes de sécurité Vor der Installation dieses Produkts die Sicherheitshinweise lesen Prima di installare questo prodotto leggere le Informazioni sulla Sicurezza Les sikkerhetsinformasjonen Safety Information før du installerer dette produktet Antes de inst...

Page 8: ...echnology Lenovo assumes you are qualified in the servicing of equipment and trained in recognizing hazards energy levels in products Access to the equipment is by the use of a tool lock and key or other means of security and is controlled by the authority responsible for the location Important Electrical grounding of the server is required for operator safety and correct system function Proper gr...

Page 9: ... 3 Check for any obvious non Lenovo alterations Use good judgment as to the safety of any non Lenovo alterations 4 Check inside the server for any obvious unsafe conditions such as metal filings contamination water or other liquid or signs of fire or smoke damage 5 Check for worn frayed or pinched cables 6 Make sure that the power supply cover fasteners screws or rivets have not been removed or ta...

Page 10: ...viii ThinkSystem SR635 Maintenance Manual ...

Page 11: ...ur specific warranty see http datacentersupport lenovo com warrantylookup Identifying your server When you contact Lenovo for help the machine type and serial number information helps support technicians to identify your server and provide faster service The machine type and serial number are on the ID label on the right rack latch in the front of the server Figure 1 Location of the ID label Quick...

Page 12: ...Figure 2 QR code 2 ThinkSystem SR635 Maintenance Manual ...

Page 13: ...supported processors see https static lenovo com us en serverproven index shtml Heat sink Standard heat sink High performance heat sink Memory Slots 16 memory module slots Minimum memory 8 GB Maximum memory 2 TB Supported memory module type TruDDR4 2933 single rank dual rank 8 GB 16 GB 32 GB 64 GB RDIMM TruDDR4 3200 dual rank 16 GB 32 GB 64 GB RDIMM TruDDR4 2933 quad rank 128 GB 3DS RDIMM Note The...

Page 14: ...AS SATA 12G HBA adapter Support for JBOD mode and RAID levels 0 1 5 10 and 50 530 8i PCIe 12G RAID adapter 730 8i 1G Cache PCIe 12G RAID adapter 730 8i 2G Flash PCIe 12G RAID adapter Support for JBOD mode and RAID levels 0 1 5 10 50 6 and 60 930 8i 2G Flash PCIe 12G RAID adapter 930 16i 4G Flash PCIe 12G RAID adapter 930 8e 4G Flash PCIe 12G RAID adapter 930 16e 4G Flash PCIe 12G RAID adapter For ...

Page 15: ...el Sound pressure level LpA m Idling 41 dBA 54 dBA 54 dBA Operating 43 dBA 56 dBA 69 dBA Notes These sound levels were measured in controlled acoustical environments according to procedures specified by ISO7779 and are reported in accordance with ISO 9296 Government regulations such as those prescribed by OSHA or European Community Directives may govern noise level exposure in the workplace and ma...

Page 16: ...enter environment and recommended to be placed in industrial data center Air temperature Operating ASHRAE class A2 10 35 C 50 95 F when the altitude exceeds 900 m 2953 ft the maximum ambient temperature value decreases by 1 C 1 8 F with every 300 m 984 ft of altitude increase ASHRAE class A3 5 40 C 41 104 F when the altitude exceeds 900 m 2953 ft the maximum ambient temperature value decreases by ...

Page 17: ...y or temperature might pose a risk to the device that is described in this document Risks that are posed by the presence of excessive particulate levels or concentrations of harmful gases include damage that might cause the device to malfunction or cease functioning altogether This specification sets forth limits for particulates and gases that are intended to avoid such damage The limits must not...

Page 18: ...search Triangle Park North Carolina U S A 2 The derivation of the equivalence between the rate of copper corrosion growth in the thickness of the corrosion product in Å month and the rate of weight gain assumes that Cu2S and Cu2O grow in equal proportions 3 The derivation of the equivalence between the rate of silver corrosion growth in the thickness of the corrosion product in Å month and the rat...

Page 19: ...fic Windows Server Red Hat Enterprise Linux RHEL and SUSE Linux Enterprise Server SLES operating system distributions Machine type specific firmware only UXSPs are also available See the following table to determine the best Lenovo tool to use for installing and setting up the firmware Note The server UEFI settings for option ROM must be set to UEFI to update the firmware using Lenovo XClarity Ess...

Page 20: ...dia Creator to create bootable media that is suitable for applying firmware updates You can obtain Lenovo XClarity Essentials BoMC from the following location https datacentersupport lenovo com solutions lnvo bomc Lenovo XClarity Administrator If you are managing multiple servers using the Lenovo XClarity Administrator you can update firmware for all managed servers through that interface Firmware...

Page 21: ...nterruption The server can respond to remote power on requests sent to the BMC For information about powering off the server see Power off the server on page 11 Power off the server The server remains in a standby state when it is connected to a power source allowing the BMC to respond to remote power on requests To remove all power from the server power status LED off you must disconnect all powe...

Page 22: ...12 ThinkSystem SR635 Maintenance Manual ...

Page 23: ...your server might look slightly different from the illustrations in this topic Figure 3 Front view of server model with four 3 5 inch drive bays Figure 4 Front view of server model without a backplane for four 3 5 inch drive bays Figure 5 Front view of server model with eight 2 5 inch drive bays Figure 6 Front view of server model without a backplane for ten 2 5 inch drive bays Copyright Lenovo 20...

Page 24: ...USB keyboard USB mouse or USB storage device 4 Operator information panel For information about the controls and status LEDs on the operator information panel see Operator information panel on page 15 5 9 Rack latches If your server is installed in a rack you can use the rack latches to help you slide the server out of the rack You also can use the rack latches and screws to secure the server in t...

Page 25: ... 2 Network activity LED for OCP 3 0 Ethernet adapter 3 System ID button with system ID LED 4 System error LED 1 Power button with power status LED You can press the power button to power on the server when you finish setting up the server You also can hold the power button for several seconds to power off the server if you cannot shut down the server from the operating system The power status LED ...

Page 26: ...ere are any system errors Status Color Description Action On Yellow An error has been detected on the server Causes might include but not limited to the following errors Processor error Memory module error Storage failure PCIe adapter failure Power supply error Fan failure Mainboard failure Check the event log to determine the exact cause of the error Off None The server is off or the server is on...

Page 27: ...bly Type 1 Slot 2 PCIe x16 x16 x8 x4 x1 low profile Slot 3 PCIe x16 x16 x8 x4 x1 low profile Type 2 Slot 2 no riser card installed Slot 3 PCIe x16 x16 x8 x4 x1 low profile Rear view of server model with two PCIe slots The following illustration shows the rear view of the server model with two PCIe slots Depending on the model your server might look slightly different from the illustration below Fi...

Page 28: ...y 1 4 Power supply 2 optional 5 NMI button 6 Serial port 7 USB 3 2 Gen 1 5 Gbps connectors 8 VGA connector 9 BMC management network connector 10 Ethernet connectors on OCP 3 0 Ethernet adapter optional two or four connectors may be available 1 PCIe slot 1 Slot 1 PCIe x16 x16 x8 x4 x1 low profile 2 Rear 2 5 inch drive bays Used to install two 2 5 inch hot swap drives on the rear of the server The n...

Page 29: ...ht look slightly different from the illustration below Figure 13 Rear view of server model with no PCIe slot Table 10 Components on the rear of the server 1 Power supply 1 2 Power supply 2 optional 3 NMI button 4 Serial port 5 USB 3 2 Gen 1 5 Gbps connectors 6 VGA connector 7 BMC management network connector 8 Ethernet connectors on OCP 3 0 Ethernet adapter optional two or four connectors may be a...

Page 30: ...management controller BMC Ethernet connectors on OCP 3 0 Ethernet adapter optional The OCP 3 0 Ethernet adapter provides two or four extra Ethernet connectors for network connections One of the Ethernet connectors on the OCP 3 0 Ethernet adapter can also function as a management connector using the shared management capacity If the shared management connector fails traffic can automatically switch...

Page 31: ...the Setup utility go to Advanced Power Zero Output and select Disable If you disable the zero out mode both power supplies will be in the active state Off The server is powered off or the power supply is not working properly If the server is powered on but the LED is off replace the power supply 5 Power supply error LED Yellow The power supply has failed To resolve the issue replace the power supp...

Page 32: ...nnector 5 OCP 3 0 Ethernet adapter connector 6 Riser 1 slot 7 Front panel connector 8 DIMM 1 16 error LEDs 9 PCIe connector 6 10 PCIe connector 5 11 Front USB connector 12 Fan board sideband connector connect to 17 13 PCIe connector 8 14 PCIe connector 4 15 Fan 7 connector 16 PCIe connector 7 22 ThinkSystem SR635 Maintenance Manual ...

Page 33: ...ctor 9 32 Internal riser power connector 33 Front backplane power connector 34 GPU power connector 1 reserved 35 GPU power connector 3 reserved 36 Fan board power connector connect to 27 37 CPU power connector connect to 19 38 System power connector 2 connect to 29 39 System power connector 1 connect to 43 40 PIB sideband connector connect to 44 41 GPU power connector 2 Reserved 42 M 2 sideband co...

Page 34: ...gure 16 System board LEDs Table 12 LEDs on the system board Callout Callout 1 BMC heart beat LED 2 System ID LED 3 System error LED 4 DIMM error LEDs 16 5 Fan error LEDs 7 1 BMC heart beat LED The BMC heart beat LED helps you identify the BMC status 24 ThinkSystem SR635 Maintenance Manual ...

Page 35: ...Ds changes The LEDs can be changed to on blinking or off 3 System error LED When this yellow LED is lit one or more LEDs elsewhere in the server might also be lit to direct you to the source of the error For more information see Operator information panel on page 15 4 DIMM error LEDs When a DIMM error LED is lit it indicates that the corresponding memory module has failed 5 Fan error LEDs When a f...

Page 36: ...al cables Do not open your server or attempt any repair before reading and understanding the following information http thinksystem lenovofiles com help topic safety_documentation pdf_files html Handling static sensitive devices on page 82 Any system board switch or jumper block that is not shown in the illustrations in this document are reserved Figure 17 System board jumpers 26 ThinkSystem SR635...

Page 37: ...s observe the following guidelines Power off the server before you connect or disconnect any internal cables See the documentation that comes with any external devices for additional cabling instructions It might be easier for you to route cables before you connect the devices to the server Cable identifiers of some cables are printed on the cables that come with the server and optional devices Us...

Page 38: ...onnector on the fan board Fan board power connector on the PIB board 2 CPU power connector on the PIB board CPU power connector on the system board 3 PIB sideband connector on the PIB board PIB sideband connector on the system board 4 System power connector 2 on the PIB board System power connector 2 on the system board 5 Sideband connector on the fan board Fan sideband connector on the system boa...

Page 39: ...tor on the system board 6 System power connector 1 on the PIB board System power connector 1 on the system board 7 Power connector on the rear backplane Rear backplane power connector on the system board 8 Power connector on the middle backplane Middle backplane power connector on the system board Chapter 2 Server components 29 ...

Page 40: ...oard PIB sideband connector on the system board 5 System power connector 1 on the PIB board System power connector 1 on the system board 6 Power connector on the rear backplane Rear backplane power connector on the system board 7 Sideband connector on the fan board Fan sideband connector on the system board Server model with four 3 5 inch SAS SATA drives Use this section to understand the connecto...

Page 41: ...8i RAID adapter on page 33 Four 3 5 inch SATA drives and rear SAS SATA drive assembly on page 34 Four 3 5 inch SAS SATA drives rear SAS SATA drive assembly and one 8i RAID adapter on page 35 Four 3 5 inch SATA drives and rear NVMe drive assembly on page 36 Four 3 5 inch SAS SATA drives rear NVMe drive assembly and one 8i RAID adapter on page 37 Four 3 5 inch SATA drives and middle drive cage on pa...

Page 42: ...hen the SAS SATA backplanes are connected to PCIe connectors on the system board only SATA drives are supported No SAS drives are supported Cable From To 1 SAS signal cable for front backplane SAS connector on the front backplane PCIe connector 7 on the system board 32 ThinkSystem SR635 Maintenance Manual ...

Page 43: ...del with four 3 5 inch SAS SATA drives and one 8i RAID adapter Note RAID adapter can be installed in PCIe slot 1 or internal riser assembly Cable From To 1 SAS signal cable for front backplane SAS connector on the front backplane C0 connector on the RAID adapter Chapter 2 Server components 33 ...

Page 44: ...on is based on the scenario that the rear hot swap drive cage is installed Depending on the model the rear hot swap drive cage might not be available on your server Figure 24 Cable routing for server model with four 3 5 inch SATA drives and rear SAS SATA drive assembly Cable From To 1 SAS signal cable for front backplane SAS connector on the front backplane PCIe connector 6 on the system board 34 ...

Page 45: ... server Figure 25 Cable routing for server model with four 3 5 inch SAS SATA drives rear SAS SATA drive assembly and one 8i RAID adapter Note RAID adapter can be installed in PCIe slot 1 or internal riser assembly Cable From To 1 SAS signal cable for front backplane SAS connector on the front backplane C0 connector on the RAID adapter 2 SAS signal cable for rear backplane SAS connector on the rear...

Page 46: ...cage is installed Depending on the model the rear hot swap drive cage might not be available on your server Figure 26 Cable routing for server model with four 3 5 inch SATA drives and rear NVMe drive assembly Cable From To 1 SAS signal cable for front backplane SAS connector on the front backplane PCIe connector 7 on the system board 2 NVMe signal cable for rear backplane NVMe connectors on the re...

Page 47: ...rver Figure 27 Cable routing for server model with four 3 5 inch SAS SATA drives rear NVMe drive assembly and one 8i RAID adapter Note RAID adapter can be installed in PCIe slot 1 or internal riser assembly Cable From To 1 SAS signal cable for front backplane SAS connector on the front backplane C0 connector on the RAID adapter 2 NVMe signal cable for rear backplane NVMe connectors on the rear bac...

Page 48: ...ves and middle drive cage Cable From To 1 SAS signal cable for front backplane SAS connector on the front backplane PCIe connector 6 on the system board 2 NVMe signal cable for internal backplane NVMe 2 3 connector on the internal backplane PCIe connector 9 on the system board 3 NVMe signal cable for internal backplane NVMe 0 1 connector on the internal backplane PCIe connector 7 and PCIe connecto...

Page 49: ...onnector on the internal backplane PCIe connector 9 on the system board 3 NVMe signal cable for internal backplane NVMe 0 1 connector on the internal backplane PCIe connector 7 and PCIe connector 8 on the system board Server model with eight 2 5 inch SAS SATA drives Use this section to understand the connectors on the backplane and internal cable routing for server model with eight 2 5 inch SAS SA...

Page 50: ...inch SATA drives and rear NVMe drive assembly on page 45 Eight 2 5 inch SAS SATA drives rear NVMe drive assembly and one 8i RAID adapter on page 46 For power cable connection see Power Sideband cable routing on page 28 Eight 2 5 inch SATA drives Note When the SAS SATA backplanes are connected to PCIe connectors on the system board only SATA drives are supported No SAS drives are supported Figure 3...

Page 51: ...ght 2 5 inch SAS SATA drives and one 8i RAID adapter Note RAID adapter can be installed in PCIe slot 1 or internal riser assembly Cable From To 1 SAS signal cable for front backplane SAS 0 and SAS 1 connectors on the front backplane C0 and C1 connectors on the RAID adapter Chapter 2 Server components 41 ...

Page 52: ...is installed Depending on the model the rear hot swap drive cage might not be available on your server Figure 33 Cable routing for server model with eight 2 5 inch SATA drives and rear SAS SATA drive assembly Cable From To 1 SAS signal cable for front backplane SAS 0 and SAS 1 connectors on the front backplane PCIe connector 6 on the system board 2 SAS signal cable for rear backplane SAS connector...

Page 53: ...S SATA drives rear SAS SATA drive assembly and two 8i RAID adapters Cable From To 1 SAS signal cable for front backplane SAS 0 and SAS 1 connectors on the front backplane C0 and C1 connectors on the RAID adapter 2 SAS signal cable for rear backplane SAS connector on the rear backplane C0 connectors on the RAID adapter Chapter 2 Server components 43 ...

Page 54: ...and one 16i RAID adapter Note RAID adapter can be installed in PCIe slot 1 or internal riser assembly Cable From To 1 SAS signal cable for front backplane SAS 0 and SAS 1 connectors on the front backplane C0 and C1 connectors on the RAID adapter 2 SAS signal cable for rear backplane SAS connector on the rear backplane C2 connector on the RAID adapter 44 ThinkSystem SR635 Maintenance Manual ...

Page 55: ...ge is installed Depending on the model the rear hot swap drive cage might not be available on your server Figure 36 Cable routing for server model with eight 2 5 inch SATA drives and rear NVMe drive assembly Cable From To 1 SAS signal cable for front backplane SAS 0 and SAS 1 connectors on the front backplane PCIe connector 6 on the system board 2 NVMe signal cable for rear backplane NVMe connecto...

Page 56: ...Cable routing for server model with eight 2 5 inch SAS SATA drives rear NVMe drive assembly and one 8i RAID adapter Note RAID adapter can be installed in PCIe slot 1 or internal riser assembly Cable From To 1 SAS signal cable for front backplane SAS 0 and SAS 1 connectors on the front backplane C0 and C1 connectors on the RAID adapter 2 NVMe signal cable for rear backplane NVMe connectors on the r...

Page 57: ... 28 Refer to the following cable routing for different configurations Note When the SAS SATA backplanes are connected to PCIe connectors on the system board only SATA drives are supported No SAS drives are supported Six 2 5 inch SATA drives and four 2 5 inch NVMe drives on page 48 Six 2 5 inch SAS SATA drives four 2 5 inch NVMe drives and one 16i RAID adapter on page 49 Six 2 5 inch SATA drives fo...

Page 58: ...nal cable for front backplane NVMe 0 and NVMe 1 connectors on the front backplane PCIe connector 1 on the system board 2 NVMe signal cable for front backplane NVMe 2 and NVMe 3 connectors on the front backplane PCIe connector 2 on the system board 3 SAS signal cable for front backplane SAS 2 connector on the front backplane PCIe connector 7 on the system board 4 SAS signal cable for front backplan...

Page 59: ...able for front backplane NVMe 0 and NVMe 1 connectors on the front backplane PCIe connector 1 on the system board 2 NVMe signal cable for front backplane NVMe 2 and NVMe 3 connectors on the front backplane PCIe connector 2 on the system board 3 SAS signal cable for front backplane SAS 0 and SAS 1 connectors on the front backplane C0 and C1 connectors on the RAID adapter 4 SAS signal cable for fron...

Page 60: ...ATA drive assembly Note M 2 drive is not supported for this configuration Cable From To 1 NVMe signal cable for front backplane NVMe 0 and NVMe 1 connectors on the front backplane PCIe connector 1 on the system board 2 NVMe signal cable for front backplane NVMe 2 and NVMe 3 connectors on the front backplane PCIe connector 2 on the system board 3 SAS signal cable for front backplane SAS 0 and SAS1 ...

Page 61: ...ed in PCIe slot 1 or internal riser assembly Cable From To 1 NVMe signal cable for front backplane NVMe 0 and NVMe 1 connectors on the front backplane PCIe connector 1 on the system board 2 NVMe signal cable for front backplane NVMe 2 and NVMe 3 connectors on the front backplane PCIe connector 2 on the system board 3 SAS signal cable for front backplane SAS 0 and SAS 1 connectors on the front back...

Page 62: ...NVMe drives and rear NVMe drive assembly Cable From To 1 NVMe signal cable for front backplane NVMe 0 and NVMe 1 connectors on the front backplane PCIe connector 1 on the system board 2 NVMe signal cable for front backplane NVMe 2 and NVMe 3 connectors on the front backplane PCIe connector 2 on the system board 3 SAS signal cable for front backplane SAS 0 and SAS1 connectors on the front backplane...

Page 63: ...CIe slot 1 or internal riser assembly Cable From To 1 NVMe signal cable for front backplane NVMe 2 and NVMe 3 connectors on the front backplane PCIe connector 2 on the system board 2 NVMe signal cable for front backplane NVMe 0 and NVMe 1 connectors on the front backplane PCIe connector 1 on the system board 3 NVMe signal cable for rear backplane NVMe connectors on the rear backplane PCIe connecto...

Page 64: ...2 5 inch SAS SATA NVMe drives and one 16i RAID adapter on page 56 Ten 2 5 inch SATA NVMe drives and rear SAS SATA drive assembly on page 56 Ten 2 5 inch SAS SATA NVMe drives rear SAS SATA drive assembly and one 16i RAID adapter on page 58 Ten 2 5 inch SAS SATA NVMe drives rear NVMe drive assembly and one 16i RAID adapter on page 59 Ten 2 5 inch SAS SATA NVMe drives rear SAS SATA drive assembly mid...

Page 65: ...tor on the front backplane PCIe connector 3 on the system board 4 NVMe signal cable for front backplane NVMe 6 7 connector on the front backplane PCIe connector 4 on the system board 5 NVMe signal cable for front backplane NVMe 8 9 connector on the front backplane PCIe connector 5 on the system board 6 SAS signal cable for front backplane SAS SATA 0 3 and 4 7 connectors on the front backplane PCIe...

Page 66: ...nt backplane NVMe 4 5 connector on the front backplane PCIe connector 3 on the system board 4 NVMe signal cable for front backplane NVMe 6 7 connector on the front backplane PCIe connector 4 on the system board 5 NVMe signal cable for front backplane NVMe 8 9 connector on the front backplane PCIe connector 5 on the system board 6 SAS signal cable for front backplane SAS SATA 0 3 and SAS SATA 4 7 c...

Page 67: ...for front backplane NVMe 0 1 connector on the front backplane PCIe connector 1 on the system board 2 NVMe signal cable for front backplane NVMe 2 3 connector on the front backplane PCIe connector 2 on the system board 3 NVMe signal cable for front backplane NVMe 4 5 connector on the front backplane PCIe connector 3 on the system board 4 NVMe signal cable for front backplane NVMe 6 7 connector on t...

Page 68: ...ot swap drive cage might not be available on your server Figure 49 Cable routing for server model with ten 2 5 inch SAS SATA NVMe drives rear SAS SATA drive assembly and one 16i RAID adapter Note RAID adapter can be installed in PCIe slot 1 or internal riser assembly Cable From To 1 NVMe signal cable for front backplane NVMe 0 1 connector on the front backplane PCIe connector 1 on the system board...

Page 69: ...plane C2 connector on RAID adapter in PCIe slot 1 8 SAS signal cable for rear backplane SAS connector on the rear backplane C3 connector on RAID adapter in PCIe slot 1 Ten 2 5 inch SAS SATA NVMe drives rear NVMe drive assembly and one 16i RAID adapter Note The cable routing illustration is based on the scenario that the rear hot swap drive cage is installed Depending on the model the rear hot swap...

Page 70: ...ane SAS SATA 0 3 and SAS SATA 4 7 connectors on the front backplane C0 and C1 connectors on RAID adapter in PCIe slot 1 7 SAS signal cable for front backplane SAS SATA 8 9 connector on the front backplane C2 connector on RAID adapter in PCIe slot 1 8 NVMe signal cable for rear backplane NVMe connectors on the rear backplane PCIe connector 6 on the system board Ten 2 5 inch SAS SATA NVMe drives rea...

Page 71: ...le for front backplane NVMe 4 5 connector on the front backplane PCIe connector 3 on the system board 4 NVMe signal cable for front backplane NVMe 6 7 connector on the front backplane PCIe connector 4 on the system board 5 NVMe signal cable for front backplane NVMe 8 9 connector on the front backplane PCIe connector 5 on the system board 6 NVMe signal cable for middle backplane NVMe 0 1 connector ...

Page 72: ... 5 inch NVMe drives rear NVMe drive assembly and middle NVMe drive assembly Notes The cable routing illustration is based on the scenario that the rear hot swap drive cage and middle NVMe drive assembly are installed Depending on the model the rear hot swap drive cage and middle NVMe drive assembly might not be available on your server For the following configurations without the rear hot swap dri...

Page 73: ...nector 7 and PCIe connector 8 on the system board 4 NVMe signal cable for middle backplane NVMe 2 3 connector on the middle backplane PCIe connector 9 on the system board 5 NVMe signal cable for rear backplane NVMe 0 and NVMe 1 connectors on the rear backplane PCIe connector 6 on the system board Ten 2 5 inch SAS SATA NVMe drives rear NVMe drive assembly middle NVMe drive assembly and one 16i RAID...

Page 74: ...connector 3 on the system board 4 NVMe signal cable for front backplane NVMe 6 7 connector on the front backplane PCIe connector 4 on the system board 5 NVMe signal cable for front backplane NVMe 8 9 connector on the front backplane PCIe connector 5 on the system board 6 NVMe signal cable for middle backplane NVMe 0 1 connector on the middle backplane PCIe connector 7 and PCIe connector 8 on the s...

Page 75: ...e slot 1 10 SAS signal cable for front backplane SAS SATA 8 9 connector on the front backplane C2 connector on RAID adapter in PCIe slot 1 Ten 2 5 inch SAS SATA NVMe drives middle NVMe drive assembly and one 16i RAID adapter Notes The cable routing illustration is based on the scenario that the middle NVMe drive assembly is installed Depending on the model the middle NVMe drive assembly might not ...

Page 76: ...ront backplane NVMe 4 5 connector on the front backplane PCIe connector 3 on the system board 4 NVMe signal cable for front backplane NVMe 6 7 connector on the front backplane PCIe connector 4 on the system board 5 NVMe signal cable for front backplane NVMe 8 9 connector on the front backplane PCIe connector 5 on the system board 6 NVMe signal cable for middle backplane NVMe 0 1 connector on the m...

Page 77: ... backplane SAS SATA 0 3 and SAS SATA 4 7 connectors on the front backplane C0 and C1 connectors on RAID adapter in PCIe slot 1 9 SAS signal cable for front backplane SAS SATA 8 9 connector on the front backplane C2 connector on RAID adapter in PCIe slot 1 M 2 module cable routing Use the section to understand the cable routing for the M 2 module Chapter 2 Server components 67 ...

Page 78: ... model with M 2 module Cable From To 1 M 2 sideband connectors on the M 2 module M 2 sideband connector on the system board 2 Power connector on the M 2 module PCIe connector 8 on the system board 68 ThinkSystem SR635 Maintenance Manual ...

Page 79: ... 5 inch drive bays it supports up to two RAID super capacitor modules Figure 59 Cable routing for server model with two super capacitors From To 1 Super capacitor connector Super capacitor connector on the RAID adapter installed in the internal riser kit 2 Super capacitor connector Super capacitor connector on the RAID adapter installed in the PCIe slot 1 Chapter 2 Server components 69 ...

Page 80: ...apacitor connector on the RAID adapter installed in the PCIe slot 2 3 Super capacitor connector Super capacitor connector on the RAID adapter installed in the PCIe slot 1 VGA USB Front panel connector Use the section to understand the cable routing for the VGA USB Front panel connector on the left rack latch Note The VGA connector is available on some models The following is the cable routing for ...

Page 81: ...ont of server Front USB connector on the system board 2 Front panel cable from the front of server Front Panel connector on the system board 3 VGA cable from the front of server Front VGA connector on the system board The following is the cable routing for server model with eight ten 2 5 inch drive bays Chapter 2 Server components 71 ...

Page 82: ...er Front USB connector on the system board 2 Front panel cable from the front of server Front Panel connector on the system board 3 VGA cable from the front of server Front VGA connector on the system board Intrusion switch cable routing Use the section to understand the cable routing for the intrusion switch 72 ThinkSystem SR635 Maintenance Manual ...

Page 83: ...Figure 63 Cable routing for server model with intrusion switch Cable To 1 Intrusion switch cable from the riser bracket Intrusion switch connector on the system board Chapter 2 Server components 73 ...

Page 84: ...n about ordering the parts shown in Figure 64 Server components on page 74 http datacentersupport lenovo com us en products servers thinksystem sr635 7y98 parts Note Depending on the model your server might look slightly different from the illustration Figure 64 Server components 74 ThinkSystem SR635 Maintenance Manual ...

Page 85: ...a structural component at your request you will be charged for the service Table 14 Parts list Index Description Tier 1 CRU Tier 2 CRU FRU Consumable and Structural parts For more information about ordering the parts shown in Figure 64 Server components on page 74 http datacentersupport lenovo com us en products servers thinksystem sr635 7y98 parts 1 Top cover 2 Air baffle for middle drive cage 3 ...

Page 86: ...l 32 System board 33 Filler 2 5 inch drive 34 Storage drive 2 5 inch hot swap 35 Filler 3 5 inch drive 36 Storage drive 3 5 inch hot swap 37 System fan 38 Backplane ten 2 5 inch hot swap drives 39 Backplane eight 2 5 inch hot swap drives 40 Backplane four 3 5 inch hot swap drives 41 Backplane ten 2 5 inch AnyBay hot swap drives 42 Middle backplane four 2 5 inch hot swap drives 43 Memory module 44 ...

Page 87: ... Standards Association CSA For units intended to be operated at 115 volts Use a UL listed and CSA certified cord set consisting of a minimum 18 AWG Type SVT or SJT three conductor cord a maximum of 15 feet in length and a parallel blade grounding type attachment plug rated 15 amperes 125 volts For units intended to be operated at 230 volts U S use Use a UL listed and CSA certified cord set consist...

Page 88: ...78 ThinkSystem SR635 Maintenance Manual ...

Page 89: ... sensitive devices on page 82 and Working inside the server with the power on on page 81 Make sure the components that you are installing are supported Make sure the components you are installing are supported by the server For a list of supported optional components for the server see https static lenovo com us en serverproven index shtml When you install a new server download and apply the lates...

Page 90: ...otentially unsafe conditions with your server As each machine was designed and built required safety items were installed to protect users and service technicians from injury Notes 1 The product is not suitable for use at visual display workplaces according to 2 of the Workplace Regulations 2 The set up of the server is made in the server room only CAUTION This equipment must be installed or servi...

Page 91: ...onents Cabling instructions that come with optional components must be followed A failed fan must be replaced within 48 hours since malfunction A removed hot swap fan must be replaced within 30 seconds after removal A removed hot swap drive must be replaced within two minutes after removal A removed hot swap power supply must be replaced within two minutes after removal Every air baffle that comes...

Page 92: ...ns static electricity from the package and from your body Remove the device from the package and install it directly into the server without putting it down If it is necessary to put the device down put it back into the static protective package Never place the device on the server or on any metal surface When handling a device carefully hold it by the edges or the frame Do not touch solder joints...

Page 93: ...ive bays 1 120 watts 10 x 2 5 inch AnyBay front drive bays 6 drives 4 vacant drive bays 2 120 watts 4 x 3 5 inch chassis without front drives 2 120 155 180 200 watts 3 120 watts 10 x 2 5 inch chassis without front drives 1 120 watts For 1100 watt power supply Configuration Maximum GPU Processor TDP 4 x 3 5 inch front drive bays 2 120 155 180 200 watts 3 120 watts 8 x 2 5 inch front drive bays 2 12...

Page 94: ... 155 watts 8 x 2 5 inch front drive bays 120 155 180 200 225 240 watts 8 x 2 5 inch front drive bays rear SAS SATA NVMe drives 120 155 watts 6 x 2 5 inch front drive bays 4 x 2 5 inch AnyBay front drive bays 120 155 180 200 watts 6 x 2 5 inch front drive bays 4 x 2 5 inch AnyBay front drive bays rear SAS SATA NVMe drives 120 155 watts 10 x 2 5 inch AnyBay front drive bays 120 155 watts 10 x 2 5 in...

Page 95: ...o spin at a much lower speed This is the system design to provide proper cooling for the OCP 3 0 Ethernet adapter Follow the following rules for system fan selection Standard fans are selected when no GPU adapter rear drive cage middle drive cage or Ethernet adapter of 100 GbE or higher is installed and the processor TDP is 120 watts or 155 watts Only when standard fans are selected can 3 5 14TB a...

Page 96: ...four 1 x 2 5 single filler should be installed on slots 6 7 8 and 9 The following table lists the technical rules between NVIDIA Tesla T4 GPU adapters and processor TDP for different configurations Supported configuration for drives in front backplane NVIDIA Tesla T4 GPU adapters Processor TDP Supported ambient temperature 4 x 3 5 inch SAS SATA 8 x 2 5 inch SAS SATA 6 x 2 5 inch SAS SATA 4 x 2 5 i...

Page 97: ... order starting from number 0 Follow the installation order when you install a drive See Front view on page 13 You can mix drives of different types and different capacities in one system but not in one RAID array The following priorities are recommended Drive type priority NVMe SSD SAS SSD SATA SSD SAS HDD SATA HDD Drive capacity priority the lowest capacity first The drives in a single RAID arra...

Page 98: ...t your server supports and other information that you must consider when you install a PCIe adapter For PCIe NVMe adapter Three PCIe NVMe adapters can be supported and installed in PCIe slot 1 2 and 3 High performance fan should be selected and the supported ambient temperature is up to 35 C Supported processor TDP is 120 155 watts Technical rules for Ethernet adapters The following are rules to b...

Page 99: ...system S033 CAUTION Hazardous energy present Voltages with hazardous energy might cause heating when shorted with metal which might result in spattered metal burns or both S014 CAUTION Hazardous voltage current and energy levels might be present Only a qualified service technician is authorized to remove the covers where the label is attached To remove the top cover complete the following steps Wa...

Page 100: ...formation to install the top cover Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before installing the top cover 1 Ensure that all cables adapters and other components are installed and seated correctly and that you have not left loose tools or parts inside the server 2 Ensure tha...

Page 101: ... with the guides on both sides of the chassis Then slide the top cover to the front of the chassis Note Before you slide the top cover forward ensure that all the tabs on the top cover engage the chassis correctly Step 2 Pivot the cover latch until the top cover snaps into position Ensure that the cover latch is completely closed Step 3 Use a screwdriver to turn the cover lock to the locked positi...

Page 102: ... baffle installed Before removing the air baffle 1 Remove the top cover See Remove the top cover on page 89 2 If there is a RAID super capacitor module installed on the bottom of the air baffle disconnect the RAID super capacitor module cable first To remove the air baffle complete the following step Watch the procedure A video of the installation and removal process is available YouTube https www...

Page 103: ...e Read the installation Guidelines on page 79 Power off the server for this task on page 11 To install the air baffle complete the following steps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Note The air baffle you want to ins...

Page 104: ...e parts replacement on page 203 Rack latches replacement Use this information to remove and install the rack latches Remove the rack latches Use this information to remove the rack latches Read the installation Guidelines on page 79 Before removing the rack latches 1 If the server is installed with the security bezel remove it first See Remove the security bezel on page 99 2 Use a flat blade screw...

Page 105: ... of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Step 1 On each side of the server remove the two screws that secure the rack latch Chapter 3 Hardware replacement procedures 95 ...

Page 106: ...Figure 70 Rack latch screws removal Step 2 On each side of the server remove the rack latch from the chassis as shown Figure 71 Rack latch removal 96 ThinkSystem SR635 Maintenance Manual ...

Page 107: ...dure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Step 1 On each side of the server align the rack latch with the pin on the chassis Then press the rack latch onto the chassis and slightly slide it forward as shown Figure 72 Rack latch installatio...

Page 108: ... installing the rack latches 1 Install the ID label plate to the right rack latch as shown Figure 74 ID label plate installation 2 Complete the parts replacement See Complete the parts replacement on page 203 98 ThinkSystem SR635 Maintenance Manual ...

Page 109: ...owing steps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Step 1 Use the key to unlock the security bezel Figure 75 Security bezel unlock Step 2 Press the blue release latch and pivot the security bezel outward to remove it from...

Page 110: ...See Install the rack latches on page 97 To install the security bezel complete the following steps Attention Before you ship the rack with the server installed reinstall and lock the security bezel into place Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com album...

Page 111: ...e slot on the right side of the chassis Then press and hold the blue release latch and pivot the security bezel inward until it clicks into place Figure 78 Security bezel installation Step 3 Use the key to lock the security bezel Chapter 3 Hardware replacement procedures 101 ...

Page 112: ...helps you avoid significant interruption to the operation of the system Read the installation Guidelines on page 79 ATTENTION Static Sensitive Device Ground package before opening on page 82 S033 CAUTION Hazardous energy present Voltages with hazardous energy might cause heating when shorted with metal which might result in spattered metal burns or both S017 CAUTION Hazardous moving fan blades nea...

Page 113: ...refully lift the system fan out of the server After removing the system fan Install a new system fan See Install a system fan on page 103 If you are instructed to return the old system fan follow all packaging instructions and use any packaging materials that are provided Install a system fan Use this information to install a system fan You can install a hot swap fan without powering off the serve...

Page 114: ...ted surface on the outside of the server Then take the new system fan out of the package and place it on a static protective surface See Technical rules for system fans on page 85 before you install system fans To install a system fan complete the following steps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs...

Page 115: ...e 203 Memory module replacement Use this information to remove and install a memory module Remove a memory module Use this information to remove a memory module Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Attention Disconnect all power cords for this task Memory modules are sens...

Page 116: ...cause package cracks or detachment or passive components by the high insertion force Before removing a memory module 1 Remove the top cover See Remove the top cover on page 89 2 If your server comes with an air baffle remove it first See Remove the air baffle on page 92 Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV...

Page 117: ... when you install or replace a memory module Memory modules in your server must be the same type Memory modules from different vendors are supported Memory modules with different capacities are supported Install the memory module that has the higher capacity first Memory modules with different ranks are supported Install the memory module with the highest rank first Do not mix x4 and x8 DIMMs in t...

Page 118: ...o the processor on a per channel basis when a data bus daisy chain topology is used DIMMs may be populated in either slot on a per channel basis when a data bus balanced tee route topology is used Table 15 DIMM installation order Unified Memory Controller UMC UMC2 UMC3 UMC1 UMC0 UMC6 UMC7 UMC5 UMC4 Channel CH D C B A E F G H CH slot 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 DIMM number 1 2 3 4 5 6 7 8 9 10 ...

Page 119: ...ck memory modules directly on top of each other during storage Never touch the gold memory module connector contacts or allow these contacts to touch the outside of the memory module connector housing Handle memory modules with care never bend twist or drop a memory module Do not use any metal tools such as jigs or clamps to handle the memory modules because the rigid metals may damage the memory ...

Page 120: ...o the slot until the retaining clips snap into the locked position Note If there is a gap between the memory module and the retaining clips the memory module has not been correctly inserted Open the retaining clips remove the memory module and then reinsert it After installing the memory module complete the parts replacement See Complete the parts replacement on page 203 Hot swap drive replacement...

Page 121: ...lly if it is part of a RAID array Before you make changes to drives RAID adapters drive backplanes or drive cables back up all important data that is stored on the drives Before you remove any component of a RAID array back up all RAID configuration information 2 If one or more NVMe drives are to be removed it is recommended to disable them first in Safely Remove Hardware and Eject Media Windows o...

Page 122: ...the installation Guidelines on page 79 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before installing a hot swap drive 1 Remove the drive filler from the drive bay Keep the drive filler in a safe place Figure 87 Drive filler removal 2 Touch the static protective package that contains the new drive to any unpainted surface on the outside of the server Then take the new...

Page 123: ...activity LED is flashing the drive is being accessed Step 4 Continue to install additional hot swap drives if necessary After installing all hot swap drives 1 Reinstall the security bezel See Install the security bezel on page 100 2 Use the Lenovo XClarity Provisioning Manager Lite to configure the RAID if necessary For more information see https sysmgt lenovofiles com help topic lxpml_v2 Introduc...

Page 124: ...rnet adapter Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 CAUTION Make sure that all server power cords are disconnected from their power sources before performing this procedure Note If there is an OCP 3 0 Ethernet adapter installed when the system is powered off but still plugg...

Page 125: ... OCP 3 0 Ethernet adapter installation After installing the OCP 3 0 Ethernet adapter complete the parts replacement See Complete the parts replacement on page 203 Internal riser assembly replacement Use this information to remove and install the internal riser assembly Remove the internal riser assembly Use this information to remove the internal riser assembly Read the installation Guidelines on ...

Page 126: ...st show id_52222446 html Step 1 Loosen the captive screw and then directly lift it up from the chassis Figure 92 Internal riser assembly removal Complete the parts replacement See Complete the parts replacement on page 203 Install the internal riser assembly Use this information to install the internal riser assembly Read the installation Guidelines on page 79 Power off the server for this task on...

Page 127: ... Step 2 Align the pins and connectors of the internal riser assembly with the holes and connectors on the chassis and then secure the assembly in place Figure 93 Internal riser assembly installation Step 3 Tighten the captive screw to further secure the assembly After installing the internal riser assembly complete the parts replacement See Complete the parts replacement on page 203 Riser card rep...

Page 128: ... are based on the riser assembly in configuration 1 Remove a riser card Use this information to remove a riser card Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before removing a riser card remove the top cover See Remove the top cover on page 89 To remove a riser card complete t...

Page 129: ...er Step 2 For riser 1 assembly LP FHFL if there is an intrusion switch installed on it disconnect the cable of the intrusion switch from the system board Step 3 Grasp the riser assembly by its edges and carefully lift it out of the chassis Figure 97 Riser assembly removal Step 4 If necessary remove the PCIe adapters that are installed on the riser card See Remove a PCIe adapter on page 122 Step 5 ...

Page 130: ...tallation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Step 1 Align the screw holes in the new riser card with the corresponding ones in the bracket and install the two screws to secure the riser card to the bracket Figure 99 Riser card installation Step 2 If necessary for r...

Page 131: ...plete the parts replacement on page 203 PCIe adapter replacement Use this information to remove and install a PCIe adapter The PCIe adapter can be an Ethernet adapter a host bus adapter HBA a PCIe RAID adapter a PCIe interposer adapter a PCIe solid state drive a PCIe GPU and any other supported PCIe adapters Notes Depending on the specific type the PCIe adapter might look different from the illust...

Page 132: ...e the top cover See Remove the top cover on page 89 2 Remove the riser assembly See Remove a riser card on page 118 To remove a PCIe adapter complete the following steps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Step 1 Pivot...

Page 133: ...Figure 102 Riser 1 assembly LP FHFL removal Chapter 3 Hardware replacement procedures 123 ...

Page 134: ...P removal Figure 104 Internal riser assembly LP removal If you are instructed to return the old PCIe adapter follow all packaging instructions and use any packaging materials that are provided 124 ThinkSystem SR635 Maintenance Manual ...

Page 135: ... adapters on page 88 Technical rules for PCIe NVMe adapter on page 88 Technical rules for Ethernet adapters on page 88 4 If the server is installed with 280 watt processor see Rules about 280 watt processor installation on page 82 for PCIe adapter installation limitations To install a PCIe adapter complete the following steps Watch the procedure A video of the installation and removal process is a...

Page 136: ...Figure 105 Riser 1 assembly LP FHFL installation 126 ThinkSystem SR635 Maintenance Manual ...

Page 137: ...assembly LP installation Step 3 Connect cables to the PCIe adapter in the riser assembly See Internal cable routing on page 27 After installing the PCIe adapter 1 Reinstall the riser assembly See Install a riser card on page 120 Chapter 3 Hardware replacement procedures 127 ...

Page 138: ... the system board For the location of the intrusion switch connector refer to System board components on page 21 4 Remove the riser assembly See Remove a riser card on page 118 5 Remove the PCIe adapter See Remove a PCIe adapter on page 122 To remove an intrusion switch complete the following steps Watch the procedure A video of the installation and removal process is available YouTube https www y...

Page 139: ...e package and place them on a static protective surface To install an intrusion switch complete the following steps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Note The intrusion switch can only be installed in riser 1 assembl...

Page 140: ...ATTENTION Static Sensitive Device Ground package before opening on page 82 Notes Depending on the specific type your GPU adapter might look different from the illustration in this topic Use any documentation that comes with the GPU adapter and follow those instructions in addition to the instructions in this topic Before removing a GPU adapter 1 Remove the top cover See Remove the top cover on pag...

Page 141: ... albumlist show id_52222446 html Step 1 Locate the appropriate PCIe slot for the GPU adapter Step 2 Align the GPU adapter with the PCIe slot on the riser card Then carefully press the GPU adapter straight into the slot until it is securely seated See Install a PCIe adapter on page 125 Step 3 Reinstall the riser assembly See Install a riser card on page 120 After installing the GPU adapter complete...

Page 142: ...pins 1 on the chassis Step 3 Carefully remove the backplane out of the chassis under the front I O assembly cables Step 4 Disconnect the cables from the backplane If you are instructed to return the old backplane follow all packaging instructions and use any packaging materials that are provided Install the backplane for four 3 5 inch hot swap drives Use this information to install the backplane f...

Page 143: ...14 Youku http list youku com albumlist show id_52222446 html Figure 111 Installation of backplane for four 3 5 inch hot swap drives Step 1 Put the backplane under the front I O assembly cables align it with the chassis and lower it into the chassis Put the backplane into place with it leaning backward slightly so that the three pins 1 on the chassis pass through the three holes 2 in the backplane ...

Page 144: ...the backplane complete the following step Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Figure 112 Removal of backplane for eight 2 5 inch hot swap drives Step 1 Grasp the backplane and carefully lift it out of the chassis Step ...

Page 145: ...s is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Figure 113 Installation of backplane for eight 2 5 inch hot swap drives Step 1 Align the two pins on the backplane with the corresponding holes in the chassis Step 2 Lower the backplane into the chassis Ensure that the pins pass through the holes a...

Page 146: ...ist PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Note There are two types of backplane for ten 2 5 inch hot swap drives The backplane you want to install might be different from the following illustration but the installation method is the same Figure 114 Removal of backplane for ten 2 5 inch hot swap drives Step 1 Grasp the backplane and carefully l...

Page 147: ...moval process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Note There are two types of backplane for ten 2 5 inch hot swap drives The backplane you want to install might be different from the following illustration but the installation method is the same Figure 115 Installation of backplane for...

Page 148: ...wap drive on page 111 and Install a hot swap drive on page 112 To remove the rear backplane complete the following steps Step 1 Gently press and hold the tab on the rear hot swap drive cage as shown and remove the air baffle from the rear hot swap drive cage Figure 116 Air baffle removal Step 2 Disconnect the cables from the rear backplane Step 3 Carefully lift the rear backplane out of the rear h...

Page 149: ...uch the static protective package that contains the new rear backplane to any unpainted surface on the outside of the server Then take the new rear backplane out of the package and place it on a static protective surface To install the rear backplane complete the following steps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist ...

Page 150: ...Step 2 Connect the signal cable and the power cable on the rear backplane Refer to Internal cable routing on page 27 Figure 119 NVMe rear backplane connectors 1 Power connector 2 NVMe signal connector 140 ThinkSystem SR635 Maintenance Manual ...

Page 151: ...ot swap drive cage as shown Figure 121 Air baffle installation After installing the rear backplane 1 Reinstall the drives or drive fillers into the rear hot swap drive cage See Install a hot swap drive on page 112 2 Complete the parts replacement See Complete the parts replacement on page 203 Chapter 3 Hardware replacement procedures 141 ...

Page 152: ...st not be disposed of with normal domestic waste They will be taken back free of charge by the manufacturer distributor or representative to be recycled or disposed of in a proper manner To order replacement batteries call 1 800 IBM SERV within the U S and 1 800 465 7999 or 1 800 465 6666 within Canada Outside the U S and Canada call your support center or business partner Note After you replace t...

Page 153: ...6 html Step 1 Locate the CMOS battery See System board components on page 21 Step 2 Press the battery clip as shown and carefully lift CMOS battery out of the socket Attention Failing to remove the CMOS battery properly might damage the socket on the system board Any damage to the socket might require replacing the system board Do not tilt or push the CMOS battery by using excessive force Figure 1...

Page 154: ...date and time S004 CAUTION When replacing the lithium battery use only Lenovo specified part number or an equivalent type battery recommended by the manufacturer If your system has a module containing a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not Throw or imme...

Page 155: ...ot supported However customers in Chinese Mainland can install a Trusted Cryptographic Module TCM adapter or a TPM adapter sometimes called a daughter card Remove the TPM adapter Use this information to remove the TPM adapter Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before re...

Page 156: ...als that are provided Install the TPM adapter Use this information to install the TPM adapter Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before installing the TPM adapter touch the static protective package that contains the new TPM adapter to any unpainted surface on the outsi...

Page 157: ...or on the system board Notes Carefully handle the TPM adapter by its edges Your TPM adapter might look slightly different from the illustration Figure 125 TPM adapter installation After installing the TPM adapter complete the parts replacement See Complete the parts replacement on page 203 Rear hot swap drive cage replacement Use this information to remove and install the rear hot swap drive cage ...

Page 158: ...move the rear hot swap drive cage complete the following step Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Figure 126 Rear hot swap drive cage removal Step 1 Hold the two blue touch points and directly lift the rear hot swap dr...

Page 159: ...ic protective surface To install the rear hot swap drive cage complete the following steps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Step 1 Gently press and hold the tab on the rear hot swap drive cage as shown and remove th...

Page 160: ...Step 3 Connect the signal cable and the power cable on the rear backplane Refer to Internal cable routing on page 27 Figure 129 NVMe rear backplane connectors 1 Power connector 2 NVMe signal connector 150 ThinkSystem SR635 Maintenance Manual ...

Page 161: ...ir baffle into the rear hot swap drive cage as shown Figure 131 Air baffle installation Step 5 Align the three pins on the rear hot swap drive cage with the holes and slot in the chassis Then lower the rear hot swap drive cage into the chassis until it is fully seated Chapter 3 Hardware replacement procedures 151 ...

Page 162: ...nt Use this information to remove and install the middle drive cage Remove the middle drive cage Use this information to remove the middle drive cage Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before removing the middle drive cage 1 Remove the top cover See Remove the top cover...

Page 163: ...html Step 1 Remove all the installed drives from the drive bays in the middle cage To remove the drives do the following a Hold and lift the two blue handles b Pull the hot swap drives from the internal drive cage See Remove a hot swap drive on page 111 Figure 133 Internal drive removal 1 Chapter 3 Hardware replacement procedures 153 ...

Page 164: ...ve removal 2 Step 2 Loosen the thumbscrews that secure the middle drive cage Figure 135 Middle drive cage removal 1 Step 3 Hold and lift the middle drive cage from the chassis as shown 154 ThinkSystem SR635 Maintenance Manual ...

Page 165: ...rnal backplane removal If you are instructed to return the old middle drive cage follow all packaging instructions and use any packaging materials that are provided Install the middle drive cage Use this information to install the middle drive cage Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before openi...

Page 166: ...ube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Step 1 Install the internal backplane on the middle drive cage a Align the internal backplane with the middle drive cage and lower it into the middle drive cage until it is fully seated b Install the screws to secure the internal backplane in place Figure 138 Internal backplane instal...

Page 167: ...Figure 139 Middle drive cage installation 1 Step 3 Tighten the thumbscrews to secure the middle drive cage Chapter 3 Hardware replacement procedures 157 ...

Page 168: ... 2 Step 4 Hold and lift the two blue handles Install the hot swap drives in the middle drive cage Figure 141 Internal hot swap drive installation 1 Step 5 Press two blue handles and slide down the cage 158 ThinkSystem SR635 Maintenance Manual ...

Page 169: ... adapter and M 2 drive Use this information to remove the M 2 adapter and M 2 drive Before removing the M 2 adapter and M 2 drive 1 Remove the top cover See Remove the top cover on page 89 2 Disconnect the cables of the M 2 adapter 3 For easier operation remove the internal riser assembly next to the M 2 adapter See Remove the internal riser assembly on page 115 To remove the M 2 adapter and M 2 d...

Page 170: ... Slide the retainer backward to loosen the M 2 drive from the M 2 adapter c Rotate the M 2 drive away from the M 2 adapter d Pull the M 2 drive away from the connector 1 at an angle of approximately 30 degrees Step 2 Loosen the screw and remove the M 2 adapter from the bracket 160 ThinkSystem SR635 Maintenance Manual ...

Page 171: ...Figure 144 M 2 adapter removal Step 3 Remove the M 2 adapter bracket if necessary Chapter 3 Hardware replacement procedures 161 ...

Page 172: ...rrect keyhole that the retainer should be installed into to accommodate the particular size of the M 2 drive you wish to install To adjust the retainer on the M 2 adapter complete the following steps Note The M 2 adapter might be different from the following illustrations but the adjustment method is the same Watch the procedure A video of the installation and removal process is available YouTube ...

Page 173: ...age 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before installing the M 2 adapter and M 2 drive 1 Touch the static protective package that contains the new M 2 adapter and M 2 drive to any unpainted surface on the outside of the server Then take the new M 2 adapter and M 2 drive out of the package and place them on a static protective surface 2 Adjust the retainer...

Page 174: ... installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Step 1 Install the internal riser assembly and install the super capacitor modules on the M 2 riser support bracket See Install a super capacitor module on the M 2 riser support bracket on page 168 Step 2 Align the p...

Page 175: ...Figure 148 M 2 module bracket installation Step 3 Install the M 2 adapter into the bracket and tighten the screw Chapter 3 Hardware replacement procedures 165 ...

Page 176: ...Insert the M 2 drive at an angle of approximately 30 degrees into the connector b Rotate the M 2 drive down until the notch 1 catches on the lip of the retainer 2 c Slide the retainer forward toward the connector to secure the M 2 drive into place 166 ThinkSystem SR635 Maintenance Manual ...

Page 177: ... Lenovo For a list of supported options see https static lenovo com us en serverproven index shtml Remove a super capacitor module on the M 2 riser support bracket Use this information to remove a super capacitor module Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before removing...

Page 178: ...kage before opening on page 82 Before installing the RAID super capacitor module on the chassis touch the static protective package that contains the new RAID super capacitor module to any unpainted surface on the outside of the server Then take the new RAID super capacitor module out of the package and place it on a static protective surface To install a super capacitor module complete the follow...

Page 179: ...g the RAID super capacitor module on the chassis 1 Remove the top cover See Remove the top cover on page 89 2 Disconnect the cable of the RAID super capacitor module To remove the RAID super capacitor module on the chassis complete the following steps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPp...

Page 180: ...or module on the chassis touch the static protective package that contains the new RAID super capacitor module to any unpainted surface on the outside of the server Then take the new RAID super capacitor module out of the package and place it on a static protective surface To install the RAID super capacitor module on the chassis complete the following steps Watch the procedure A video of the inst...

Page 181: ...Figure 155 Tray removal Step 2 If the server does not have a RAID super capacitor module holder on the chassis install one first Chapter 3 Hardware replacement procedures 171 ...

Page 182: ...itor module on the chassis After installing the super capacitor module 1 Connect the super capacitor module to an adapter with the extension cable that comes with the super capacitor module See Super capacitor cable routing on page 69 2 Complete the parts replacement See Complete the parts replacement on page 203 Front I O assembly replacement Use this information to remove and install the front I...

Page 183: ...teps Watch the procedure A video of the installation and removal process is available YouTube https www youtube com playlist list PLYV5R7hVcs DTDY1lmpIPpJVOzo7dKq14 Youku http list youku com albumlist show id_52222446 html Table 16 Front I O assembly removal Figure 158 Server models with four 3 5 inch drive bays Figure 159 Server models with eight ten 2 5 inch drive bays Step 1 Remove the screws t...

Page 184: ... list youku com albumlist show id_52222446 html Table 17 Front I O assembly installation Figure 160 Server models with four 3 5 inch drive bays Figure 161 Server models with eight ten 2 5 inch drive bays Step 1 Insert the front I O assembly into the assembly bay Step 2 Install the screws to secure the front I O assembly in place After installing the front I O assembly 1 Connect the cables of the f...

Page 185: ...ttached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician S002 CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ens...

Page 186: ...ect 1 Turn everything OFF 2 Attach all cables to devices 3 Attach signal cables to connectors 4 Attach power cords to outlet 5 Turn device ON 1 Turn everything OFF 2 Remove power cords from outlet 3 Remove signal cables from connectors 4 Remove all cables from devices Figure 162 Hot swap power supply label on the cover Attention This type of power supply is hot swap only when two power supplies ar...

Page 187: ... The power control button on the device does not turn off the electrical current supplied to the device The device also might have more than one connection to dc power To remove all electrical current from the device ensure that all connections to dc power are disconnected at the dc power input terminals To remove a hot swap power supply complete the following steps Watch the procedure A video of ...

Page 188: ... cord from the secondly replaced power supply until the power output LED for the firstly replaced power supply is lit For the location of the power output LED refer to Rear view LEDs on page 20 Step 3 Press the release tab toward the handle and carefully pull the handle at the same time to slide the hot swap power supply out of the chassis Note Slightly pull the power supply upwards when sliding t...

Page 189: ...formation to install a hot swap power supply Read the installation Guidelines on page 79 ATTENTION Static Sensitive Device Ground package before opening on page 82 The following tips describe the type of power supply that the server supports and other information that you must consider when you install a power supply The standard shipping has only one power supply installed in the server For redun...

Page 190: ...ent and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician S002 CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have m...

Page 191: ...tach all cables to devices 3 Attach signal cables to connectors 4 Attach power cords to outlet 5 Turn device ON 1 Turn everything OFF 2 Remove power cords from outlet 3 Remove signal cables from connectors 4 Remove all cables from devices The following tips describe the information that you must consider when you install a power supply with dc input CAUTION 240 V dc input input range 180 300 V dc ...

Page 192: ...wap power supply touch the static protective package that contains the new hot swap power supply to any unpainted surface on the outside of the server Then take the new hot swap power supply out of the package and place it on a static protective surface See Technical rules for power supply on page 83 before you install the power supply To install a hot swap power supply complete the following step...

Page 193: ...otate the CMA out of the way to gain access to the power supply bay Step 2 Remove the power supply filler Figure 167 Hot swap power supply filler removal Step 3 Slide the new hot swap power supply into the bay until the release latch clicks into place Chapter 3 Hardware replacement procedures 183 ...

Page 194: ...sor Depending on your configuration refer to the specific topics to remove or install the heat sink and processor Remove a heat sink on page 184 Remove a processor on page 185 Install a heat sink on page 188 Install a processor on page 186 Remove a heat sink Use this information to remove a heat sink Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTIO...

Page 195: ... Use a Torx T20 screwdriver to loosen all the captive screws in the removal sequence shown on the heat sink label After loosening each captive screw wait for several seconds for the heat sink to loosen from the processor Step 2 Slightly lift the heat sink away from the system After removing a heat sink If you are replacing a heat sink install a new heat sink See Install a heat sink on page 188 If ...

Page 196: ...on to install a processor Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Notes See https static lenovo com us en serverproven index shtml for a list of processors supported for your server All processors on the system board must have the same speed number of cores and frequency Bef...

Page 197: ...ail frame down until the blue latches lock into place Step 3 Close the force frame Step 4 Tighten the screws in the installation sequence shown on the force frame After installing a processor install the heat sink by referring to Install a heat sink on page 188 Chapter 3 Hardware replacement procedures 187 ...

Page 198: ...p of the processor Note Do not apply too much thermal grease Too much thermal grease can result in excess grease coming in contact with and contaminating the processor socket Figure 172 Applying thermal grease If you use a new heat sink the thermal grease is pre applied to the heat sink Remove the protective cover and install the heat sink To install a heat sink complete the following steps Watch ...

Page 199: ...placement See Complete the parts replacement on page 203 Fan board replacement Use this information to remove and install the fan board Remove the fan board Use this information to remove the fan board Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before removing the fan board 1 R...

Page 200: ...w all packaging instructions and use any packaging materials that are provided Install the fan board Use this information to install the fan board Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before installing the fan board touch the static protective package that contains the ne...

Page 201: ... to remove the PIB board Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before removing the PIB board 1 Remove the top cover See Remove the top cover on page 89 2 If your server comes with an air baffle remove it first See Remove the air baffle on page 92 3 Disconnect all the cable...

Page 202: ... 11 ATTENTION Static Sensitive Device Ground package before opening on page 82 Before installing the PIB board touch the static protective package that contains the new PIB board to any unpainted surface on the outside of the server Then take the new PIB board out of the package and place it on a static protective surface To install the PIB board complete the following steps Watch the procedure A ...

Page 203: ...cable routing on page 28 2 Push the power supplies into the bays until they click into place 3 Complete the parts replacement See Complete the parts replacement on page 203 System board replacement Use this information to remove and install the system board S017 CAUTION Hazardous moving fan blades nearby S012 CAUTION Hot surface nearby Remove the system board Use this information to remove the sys...

Page 204: ...emove any of the following components that are installed on the system board and put them in a safe static protective place See the related topics in Chapter 3 Hardware replacement procedures on page 79 Fan board PIB board System fans Heat sink and processor Memory modules M 2 adapter Riser assemblies Rear hot swap drive cage RAID super capacitor module CMOS battery Middle drive cage 5 Pull out th...

Page 205: ...p on the CPU socket on the removed system board If you are planning to recycle the system board follow the instructions in Disassembling the system board for recycle on page 223 for compliance with local regulations Install the system board Use this information to install the system board Read the installation Guidelines on page 79 Power off the server for this task on page 11 ATTENTION Static Sen...

Page 206: ...sis Step 2 Slide the system board to the rear of the server until the system board snaps into position Ensure that The new system board is engaged by the mounting stud 3 on the chassis The rear connectors on the new system board are inserted into the corresponding holes in the rear panel The release pin 1 secures the system board in place After installing the system board 1 Push the power supplies...

Page 207: ...topic to update the Vital Product Data VPD VPD to be updated after system board replacement Required Machine type Required Serial number Optional Asset tag Optional UUID Recommended tools Lenovo XClarity Provisioning Manager Lite V2 Lenovo XClarity Essentials OneCLI commands Using Lenovo XClarity Provisioning Manager Lite V2 Steps 1 Start the server and press F11 The Lenovo XClarity Provisioning M...

Page 208: ...aaaaaaaaaaaaaaaa where aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa is the asset tag number uuid_value The Universal Unique Identifier UUID Type the generated 16 byte hexadecimal value access_method The access method that you select to access the target server Local KVM You can directly delete access_method from the command Authenticated LAN In this case specify below LAN account information at the end of th...

Page 209: ...rdware jumper only 2 Optional by server models and UEFI firmware levels For details see Optional Toggle the TPM version 3 TPM chips shipped to Chinese Mainland do not support version toggling between 1 2 and 2 0 Only TPM 2 0 is supported Required Assert Physical Presence on page 199 Required Set the TPM policy on page 200 Optional Toggle the TPM version on page 202 Optional Enable UEFI Secure Boot...

Page 210: ...d password ip_address Note The bmc TpmTcmPolicyLock value must be Disabled which means TPM_TCM_POLICY is NOT locked and changes to the TPM_TCM_POLICY are permitted If the return code is Enabled then no changes to the policy are permitted The planar may still be used if the desired setting is correct for the system being replaced 2 Configure the TPM_TCM_POLICY into BMC For customers in Chinese Main...

Page 211: ...e bmc TpmTcmPolicy value is invalid UEFI will lock the TPM_TCM_POLICY setting The valid value for bmc TpmTcmPolicy includes NeitherTpmNorTcm TpmOnly and NationZTPM20Only If the bmc TpmTcmPolicy is set as Enabled but bmc TpmTcmPolicy value is invalid UEFI will reject the lock request and change bmc TpmTcmPolicy back to Disabled 4 Read back the value to check whether the Lock is accepted or rejected...

Page 212: ...alled Original TPM firmware version is either 7 4 0 0 or 7 2 1 0 3 Once the TPM firmware version has been upgraded it cannot be rolled back Recommended tools Lenovo XClarity Essentials OneCLI commands Using Lenovo XClarity Essentials OneCLI commands Use the following commands to toggle the TPM firmware version TPM 1 2 7 4 0 0 TPM 1 2 7 4 0 1 OneCli exe config set TrustedComputingGroup DeviceOperat...

Page 213: ...ts replacement To complete the parts replacement do the following 1 Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your server 2 Properly route and secure the cables in the server Refer to the cable connecting and routing information for each component 3 If you have removed the top cover reinstall it See Install the top cover on page 90...

Page 214: ...204 ThinkSystem SR635 Maintenance Manual ...

Page 215: ... with the ThinkSystem System Manager event log Event logs An alert is a message or other indication that signals an event or an impending event Alerts are generated by the ThinkSystem System Manager or by UEFI in the servers These alerts are stored in the ThinkSystem System Manager Event Log If the server is managed by the Lenovo XClarity Administrator alerts are automatically forwarded to those m...

Page 216: ... Light path diagnostics Light path diagnostics is a system of LEDs on various external and internal components of the server that leads you to the failed component When an error occurs LEDs are lit on the front I O assembly the rear panel the system board and the failed component By viewing the following LEDs you can often identify the system and device status and diagnose problems Operator inform...

Page 217: ...at is managing the server For more information about event logs see Event logs on page 205 Step 2 Check for short circuits for example if a loose screw is causing a short circuit on a circuit board Step 3 Remove the adapters and disconnect the cables and power cords to all internal and external devices until the server is at the minimum configuration that is required for the server to start See Sp...

Page 218: ...t and server are using the same protocol If the Ethernet controller still cannot connect to the network but the hardware appears to be working the network administrator must investigate other possible causes of the error Troubleshooting by symptom Use this information to find solutions to problems that have identifiable symptoms To use the symptom based troubleshooting information in this section ...

Page 219: ...n does not work and the reset button does work server does not start Note The power control button will not function until approximately 1 to 3 minutes after the server has been connected to ac power Complete the following steps until the problem is resolved 1 Make sure that the power control button on the server is working correctly a Disconnect the server power cords b Reconnect the server power...

Page 220: ... or remove a DIMM you must disconnect the server from the power source then wait 10 seconds before restarting the server 1 Make sure that No error LEDs are lit on the operator information panel No DIMM error LEDs are lit on the system board Memory mirrored channel does not account for the discrepancy The memory modules are seated correctly You have installed the correct type of memory If you chang...

Page 221: ...d disk drive on page 211 Multiple hard disk drives fail on page 212 Multiple hard disk drives are offline on page 212 A replacement hard disk drive does not rebuild on page 212 Green hard disk drive activity LED does not represent actual state of associated drive on page 212 Yellow hard disk drive status LED does not represent actual state of associated drive on page 213 Server cannot recognize a ...

Page 222: ...and run the tests again If the adapter fails the test replace the adapter Multiple hard disk drives fail Complete the following steps until the problem is solved View the ThinkSystem System Manager event log for events related to power supplies and resolve those events Make sure that the device drivers and firmware for the hard disk drive and server are at the latest level Important Some cluster s...

Page 223: ...guage and locality settings are correct for the keyboard and operating system 2 If the wrong language is displayed update the server firmware to the latest level See Firmware updates on page 8 Screen is blank 1 If the server is attached to a KVM switch bypass the KVM switch to eliminate it as a possible cause of the problem connect the monitor cable directly to the correct connector on the rear of...

Page 224: ...rite errors make sure that the distance between the monitor and any external diskette drive is at least 76 mm 3 in b Non Lenovo monitor cables might cause unpredictable problems 2 Reseat the monitor cable 3 Replace the components listed in step 2 one at a time in the order shown restarting the server each time a Monitor cable b Video adapter if one is installed c Monitor d Trained technician only ...

Page 225: ...and connect it directly to the server Optional device problems Use this information to solve problems related to optional devices External USB device not recognized on page 215 A Lenovo optional device that worked previously does not work now on page 216 A Lenovo optional device that was just installed does not work on page 216 A Lenovo optional device that worked previously does not work now on p...

Page 226: ...enovo optional device that worked previously does not work now 1 Make sure that all of the cable connections for the device are secure 2 If the device comes with test instructions use those instructions to test the device 3 If the failing device is a SCSI device make sure that The cables for all external SCSI devices are connected correctly The last device in each SCSI chain or the end of the SCSI...

Page 227: ...ce is configured correctly Restart the server and press F1 to display the system setup interface Then click Advanced USB Configuration b Connect the device to another port If using a USB hub remove the hub and connect the device directly to the compute node Make sure that the device is configured correctly for the port Intermittent KVM problems Complete the following steps until the problem is sol...

Page 228: ...e on LAN on page 218 Could not log in using LDAP account with SSL enabled on page 218 Cannot wake server using Wake on LAN Complete the following steps until the problem is resolved 1 If you are using the dual port network adapter and the server is connected to the network using Ethernet 5 connector check the system error log or TSM system event log make sure a Fan 3 is running in standby mode if ...

Page 229: ...ined technician only Processor b Trained technician only System board Server is unresponsive POST is complete and operating system is running Complete the following steps until the problem is solved If you are in the same location as the compute node complete the following steps 1 If you are using a KVM connection make sure that the connection is operating correctly Otherwise make sure that the ke...

Page 230: ...d in the event logs according to ThinkSystem System Manager User Guide See https thinksystem lenovofiles com help topic 7Y98 bmc_user_ guide pdf 2 Update UEFI firmware and BMC firmware to the latest version 3 Revert the system to the minimum configuration See Specifications on page 3 for the minimally required number of processors and DIMMs 4 Restart the system If the system restarts add each of t...

Page 231: ...eded to use the software For memory requirements see the information that comes with the software Note If you have just installed an adapter or memory the server might have a memory address conflict The software is designed to operate on the server Other software works on the server The software works on another server 2 If you receive any error messages while you use the software see the informat...

Page 232: ...222 ThinkSystem SR635 Maintenance Manual ...

Page 233: ... recycle Follow the instructions in this section to disassemble the system board before recycling Before disassembling the system board 1 Remove the system board from the server see Remove the system board on page 193 2 Refer to local environmental waste or disposal regulations to ensure compliance Complete the following steps to disassemble the system board Copyright Lenovo 2019 2021 223 ...

Page 234: ...uiding pin standoff with 6 mm wrench One plunger with 11 mm and 16 mm wrench Four T20 screws on the CPU socket with T20 screwdriver Four hexagon bolts on VGA and COM RS232 connectors with 5 mm wrench Step 2 Separate the components 1 2 3 4 5 6 7 from the system board After disassembling the system board comply with local regulations when recycling 224 ThinkSystem SR635 Maintenance Manual ...

Page 235: ...lowing location http thinksystem lenovofiles com help index jsp You can take these steps to try to solve the problem yourself Check all cables to make sure that they are connected Check the power switches to make sure that the system and any optional devices are turned on Check for updated software firmware and operating system device drivers for your Lenovo product The Lenovo Warranty terms and c...

Page 236: ...ovo Support you might need collect service data that can be used for further analysis Service data includes information such as event logs and hardware inventory Service data can be collected through the following tools Lenovo XClarity Provisioning Manager Lite V2 Use the Collect Service Data function of Lenovo XClarity Provisioning Manager Lite V2 to collect system service data You can collect ex...

Page 237: ...ew editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not aff...

Page 238: ...memory with an optional memory module Each solid state memory cell has an intrinsic finite number of write cycles that the cell can incur Therefore a solid state device has a maximum number of write cycles that it can be subjected to expressed as total bytes written TBW A device that has exceeded this limit might fail to respond to system generated commands or might be incapable of being written t...

Page 239: ...notices are available at http thinksystem lenovofiles com help index jsp Taiwan BSMI RoHS declaration Taiwan import and export contact information Contacts are available for Taiwan import and export information Appendix C Notices 229 ...

Page 240: ...230 ThinkSystem SR635 Maintenance Manual ...

Page 241: ...roller troubleshooting 207 Ethernet controller problems solving 207 F fan board installing 190 replacing 189 fan error LED 24 firmware updates 8 front I O assembly installing 173 removing 173 replacing 172 G gaseous contamination 7 Getting help 225 GPU installing 131 removing 130 replacing 130 graphic processing unit installing 131 removing 130 guidelines options installation 79 system reliability...

Page 242: ...4 memory module install 109 memory modules removal 105 memory modules installation rules 107 microprocessor installing 186 replacing 184 middle drive cage replacing 152 monitor problems 213 mouse problems 214 N network problems 218 network access label 1 notes important 228 notices 227 O observable problems 218 OCP 3 0 Ethernet adapter replacing 113 optional device problems 215 P particulate conta...

Page 243: ... heat sink 184 Heat sink and microprocessor 184 hot swap drive 110 hot swap power supply 174 internal riser assembly 115 intrusion switch 128 M 2 adapter and M 2 drive 159 microprocessor 184 middle drive cage 152 OCP 3 0 Ethernet adapter 113 PCIe adapter 121 PIB board 191 processor 184 rack latches 94 RAID super capacitor module 167 rear hot swap drive cage 147 riser card 117 security bezel 99 sys...

Page 244: ...removing 89 replacing 89 TPM adapter installing 146 removing 145 replacing 145 TPM version 202 trademarks 228 troubleshooting 213 215 221 by symptom 208 hard disk drive problems 211 intermittent problems 217 keyboard problems 214 memory problems 210 mouse problems 214 network problems 218 observable problems 218 power on and power off problems 208 power problems 218 serial device problems 216 symp...

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