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Dell EMC PowerEdge R940xa, Installation And Service Manual

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Dell EMC PowerEdge R940xa Installation And Service Manual Download Page 165

Processors

Number of 

Processor/

GPUs

Number of 

drives

Ambient 

temperatur

e

Fresh air 

support

Fan type

Processors

Shroud

Up to 304W 

processor 

(CPU 1/2)

Up to 304W 

processor 

(CPU 3/4)

150W_8C 
CPU

Processor 
TDP <= 
165W

No GPU /4 
CPU

32x2.5-inch, 
w/o NVMe

C40E45

Non-support 
FA with 
GPU, AEP, 
NVDIMM, 
PCIeSSD, 
NVMe and 
INTEL 
FPGALRDIM
M > 32G

Six standard

2U height 

HSK

4U height 

HSK

Install the air 
shroud A

(L-shape)

All

No GPU /2 
CPU

32x2.5-inch, 
w/o NVMe

C40E45

Non-support 
FA with 
GPU, AEP, 
NVDIMM, 
PCIeSSD, 
NVMe and 
INTEL FPGA

Six standard

2U height 

HSK

4U height 

HSK

Install the air 
shroud A

(L-shape)

All

GPU/2&4 
CPU

8x2.5-inch

30

No AEP

Six standard

2U height 

HSK

4U height 

HSK

Remove the 
air shroud A

(L-shape)

All

No 
GPU /2&4 
CPU

8x2.5-inch

C40E45

Non-support 
FA with 
GPU, AEP, 
NVDIMM, 
PCIeSSD, 
NVMe and 
INTEL 
FPGALRDIM
M > 32G

Six standard

2U height 

HSK

4U height 

HSK

Install the air 
shroud A

(L-shape)

NOTE: 

C40E45 - Fresh air support for continuous 40C and extended 45C.

Thermal restrictions

Following table lists the configuration required for efficient cooling.

Table 41. Thermal restrictions support matrix

Number 

of hard 

drives

Risers

Number 

of 

processo

rs

Number 

of GPUs

Heat sink

Fan 

type

Shroud

DIMM 

blank

Processo

r/DIMM 

blank

Fan 

blank

Up to 205W 

processor 

(CPU 1/2)

Up to 205W 

processor 

(CPU 3/4)

24 x 2.5 
inch SAS/
SATA +

12 PCIe 
(X8 PCIe 
Riser 1/X8 
PCIe Riser 
2)

2

N/A

2U height 

HSK

N/A

Six 
standar
d

Standard

Yes 
(max 
22x)

N/A

N/A

8 x 2.5 
inch SAS/
SATA

24 x 2.5 
inch SAS/
SATA +

12 PCIe 
(X8 PCIe 
Riser 1/X8 
PCIe Riser 
2)

4

N/A

2U height 

HSK

4U height 

HSK

Six 
standar
d

Standard

Yes 
(max 
44x)

N/A

N/A

Technical specifications

165

Summary of Contents for PowerEdge R940xa

Page 1: ...Dell EMC PowerEdge R940xa Installation and Service Manual Regulatory Model E54S Series Regulatory Type E54S001 ...

Page 2: ...age to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2018 2019 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners 2019 09 Rev A12 ...

Page 3: ...nloading drivers and firmware 22 4 Pre operating system management applications 23 Options to manage the pre operating system applications 23 System Setup 23 View System Setup 23 System Setup details 23 System BIOS 24 iDRAC Settings utility 42 Device Settings 42 Dell Lifecycle Controller 42 Embedded System Management 42 Boot Manager 42 View the boot manager 42 Boot Manager main menu 43 One shot UE...

Page 4: ... 0 module 59 Removing the USB 3 0 module 59 Installing the USB 3 0 module 60 Optional optical drive 61 Removing the optical drive 61 Installing the optical drive 63 Control panel 64 Removing the left control panel 64 Installing the left control panel 65 Removing the right control panel 66 Installing the right control panel 67 Air shroud 68 Air shroud A 68 GPU shroud 70 Air shroud B 72 Air shroud C...

Page 5: ...ash module 132 Removing the MicroSD card 132 Installing the MicroSD card 133 Removing the IDSDM or vFlash module 134 Installing the IDSDM or vFlash module 134 Network daughter card 135 Removing the network daughter card 135 Installing the network daughter card 136 System battery 137 Replacing the system battery 137 Optional internal USB memory key 138 Replacing the optional internal USB memory key...

Page 6: ...61 NIC ports 161 VGA ports 162 Serial connector 162 IDSDM or vFlash module 162 Video specifications 162 Environmental specifications 162 Standard operating temperature 163 Thermal and acoustics 164 Particulate and gaseous contamination specifications 167 8 System diagnostics and indicator codes 168 Status LED indicators 168 System health and system ID indicator codes 169 iDRAC Quick Sync 2 indicat...

Page 7: ...Receiving automated support with SupportAssist 175 Recycling or End of Life service information 175 10 Documentation resources 176 Contents 7 ...

Page 8: ...ocument provides an overview about the system information on installing and replacing components technical specifications diagnostic tools and guidelines to be followed while installing certain components 1 8 About this document ...

Page 9: ... more information about supported drives see the Technical specifications NOTE All instances of SAS SATA hard drives NVMe and SSDs are referred to as drives in this document unless specified otherwise Topics Front view of the system Back view of the system Inside the system Locating the information tag of your system System information label Front view of the system Figure 1 Front view of 32 x 2 5...

Page 10: ... correctly or requires attention The LCD panel can also be used to configure or view the system s iDRAC IP address For information about the event and error messages generated by the system firmware and agents that monitor system components see the Error Code Lookup page at qrl dell com The statuses and conditions of the LCD panel are outlined here The LCD backlight is white during normal operatin...

Page 11: ...n about the system This screen is displayed during normal system operation when there are no status messages or errors When the system turns off and there are no errors LCD enters the standby mode after five minutes of inactivity Press any button on the LCD to turn it on Steps 1 To view the Home screen press one of the three navigation buttons Select Left or Right 2 To navigate to the Home screen ...

Page 12: ...Displays the MAC addresses for iDRAC iSCSI or Network devices Name Displays the name of the Host Model or User String for the system Number Displays the Asset tag or the Service tag for the system Power Displays the power output of the system in BTU hr or Watts The display format can be configured in the Set home submenu of the Setup menu Temperature Displays the temperature of the system in Celsi...

Page 13: ...de and Service Tag Pull out the information tag in front of the system to view the Express Service Code and Service Tag Alternatively the information may be on a sticker on the back of the system chassis The mini Enterprise Service Tag EST is found on the back of the system chassis This information is used by Dell to route support calls to the appropriate personnel Figure 7 Locating the informatio...

Page 14: ...d is available on the back of the system Information tag This label will be blank if you have not opted for secure default access to iDRAC then the default user name and password are root and calvin 5 Service Tag System information label PowerEdge R940xa Front system information label Figure 8 LED behavior 14 PowerEdge R940xa system overview ...

Page 15: ...Figure 9 Configuration and layout Figure 10 Express service tag PowerEdge R940xa system overview 15 ...

Page 16: ...Figure 11 Icon Legend PowerEdge R940xa Service information Figure 12 Service Information 16 PowerEdge R940xa system overview ...

Page 17: ...Figure 13 Rear view configuration Figure 14 Jumper settings PowerEdge R940xa system overview 17 ...

Page 18: ...Figure 15 Memory information Figure 16 System tasks Figure 17 Cabling overview 18 PowerEdge R940xa system overview ...

Page 19: ...Figure 18 Electrical overview PowerEdge R940xa system overview 19 ...

Page 20: ...set up iDRAC IP address To enable communication between your system and iDRAC you must first configure the network settings based on your network infrastructure NOTE For static IP configuration you must request for it at the time of purchase This option is set to DHCP by Default You can set up the IP address by using one of the following interfaces Interfaces Document Section iDRAC Settings utilit...

Page 21: ...rces to install the operating system Resources Location iDRAC www dell com idracmanuals Lifecycle Controller www dell com idracmanuals Lifecycle Controller OpenManage Deployment Toolkit www dell com openmanagemanuals OpenManage Deployment Toolkit Dell certified VMware ESXi www dell com virtualizationsolutions Installation and How to videos for supported operating systems on PowerEdge systems Suppo...

Page 22: ...home 2 In the Drivers Downloads section type the Service Tag of your system in the Enter a Service Tag or product ID box and then click Submit NOTE If you do not have the Service Tag select Detect Product to allow the system to automatically detect the Service Tag or click View products and navigate to your product 3 Click Drivers Downloads The drivers that are applicable to your system are displa...

Page 23: ...d Device settings of your system NOTE Help text for the selected field is displayed in the graphical browser by default To view the help text in the text browser press F1 You can access system setup by using two methods Standard graphical browser The browser is enabled by default Text browser The browser is enabled by using Console Redirection View System Setup To view the System Setup screen perf...

Page 24: ...ls About this task The System BIOS Settings screen details are explained as follows Option Description System Information Specifies information about the system such as the system model name BIOS version and Service Tag Memory Settings Specifies information and options related to the installed memory Processor Settings Specifies information and options related to the processor such as speed and ca...

Page 25: ...ng system begins to load before you press F2 wait for the system to finish booting and then restart your system and try again 3 On the System Setup Main Menu screen click System BIOS 4 On the System BIOS screen click System Information System Information details About this task The System Information screen details are explained as follows Option Description System Model Name Specifies the system ...

Page 26: ...ts are run during system boot Options are Enabled and Disabled This option is set to Disabled by default NOTE When Enabled the system takes more to boot The booting time depends on the size of the system memory Native tRFC Timing for 16Gb DIMMs Enables 16 Gb density DIMMs to operate at their programmed Row Refresh Cycle Time tRFC Enabling this feature may improve system performance for some config...

Page 27: ...essage F2 System Setup NOTE If your operating system begins to load before you press F2 wait for the system to finish booting and then restart your system and try again 3 On the System Setup Main Menu screen click System BIOS 4 On the System BIOS screen click Processor Settings Processor Settings details About this task The Processor Settings screen details are explained as follows Option Descript...

Page 28: ...nd parks some of the logical processors in the system which in turn allows the corresponding processor cores to transition into a lower power idle state This option can only be enabled if the operating system supports it It is set to Disabled by default NOTE This feature is not supported if CPU Power Management is set to Maximum Performance Configurable TDP Enables you to configure the TDP level T...

Page 29: ...ns to load before you press F2 wait for the system to finish booting and then restart your system and try again 3 On the System Setup Main Menu screen click System BIOS 4 On the System BIOS screen click SATA Settings SATA Settings details About this task The SATA Settings screen details are explained as follows Option Description Embedded SATA Enables the embedded SATA option to be set to Off AHCI...

Page 30: ...tem and try again 3 On the System Setup Main Menu screen click System BIOS 4 On the System BIOS screen click NVMe Settings NVMe Settings details About this task The NVMe Settings screen details are explained as follows Option Description NVMe Mode Enables you to set the NVMe mode This option is set to Non RAID by default Boot Settings You can use the Boot Settings screen to set the boot mode to ei...

Page 31: ... of a drive failure The devices are selected in the Hard Disk Drive Sequence on the Boot Option Setting menu When this option is set to Disabled only the first drive in the list is attempted to boot When this option is set to Enabled all drives are attempted to boot in the order selected in the Hard Disk Drive Sequence This option is not enabled for UEFI Boot Mode This option is set to Disabled by...

Page 32: ...ice UEFI HTTP Settings Enables or disables the device When enabled a UEFI HTTP boot option is created for the device HTTP Device n Settings n 1 to 4 Enables you to control the configuration of the HTTP device UEFI iSCSI Settings Enables you to control the configuration of the iSCSI device Table 4 UEFI iSCSI Settings screen details Option Description iSCSI Initiator Name Specifies the name of the i...

Page 33: ...port This option is set to On by default Integrated Network Card 1 Enables or disables the integrated network card NDC When set to Disabled the NDC is not available to the operating system OS This option is set to Enabled by default NOTE If set to Disabled OS the Integrated NICs might still be available for shared network access by iDRAC I OAT DMA Engine Enables or disables the I O Acceleration Te...

Page 34: ...bled Only slots that are present on the system will be available for control Table 5 Slot Disablement Slot number Description Slot 1 Enables or disables or only the boot driver is disabled for the PCIe slot 1 This option is set to Enabled by default Slot 2 Enables or disables or only the boot driver is disabled for the PCIe slot 2 This option is set to Enabled by default Slot 3 Enables or disables...

Page 35: ... Bifurcation Slot 6 Bifurcation x4 or x8 or x16 or x4 x4 x8 or x8 x4 x4 Bifurcation x4 or x8 or x16 or x4 x4 x8 or x8 x4 x4 Bifurcation Slot 7 Bifurcation x4 or x8 or x16 or x4 x4 x8 or x8 x4 x4 Bifurcation x4 or x8 or x16 or x4 x4 x8 or x8 x4 x4 Bifurcation Slot 8 Bifurcation NA x4 or x8 Bifurcation Slot 9 Bifurcation x4 or x8 or x16 or x4 x4 x8 or x8 x4 x4 Bifurcation x4 or x8 Bifurcation Slot 1...

Page 36: ...setting saved in iDRAC The serial MUX setting can independently be changed in iDRAC Loading the BIOS default settings from within the BIOS setup utility may not always revert this setting to the default setting of Serial Device 1 Enables you to associate the External Serial Connector to Serial Device 1 Failsafe Baud Rate Specifies the failsafe baud rate for console redirection The BIOS attempts to...

Page 37: ...efault Memory Refresh Rate Sets the memory refresh rate to either 1x or 2x This option is set to 1x by default Uncore Frequency Enables you to select the Processor Uncore Frequency option Dynamic mode enables the processor to optimize power resources across the cores and uncore during runtime The optimization of the uncore frequency to either save power or optimize performance is influenced by the...

Page 38: ...nly if the password jumper is not installed in the system Password Status Locks the system password This option is set to Unlocked by default TPM Information NOTE The TPM menu is available only when the TPM module is installed Enables you to control the reporting mode of the TPM The TPM Security option is set to Off by default You can only modify the TPM Status and TPM Activation and the Intel TXT...

Page 39: ...lt UEFI variables are accessible in the operating system per the UEFI specification When set to Controlled selected UEFI variables are protected in the environment and new UEFI boot entries are forced to be at the end of the current boot order In Band Manageability Interface When set to Disabled this setting will hide the Management Engine s ME HECI devices and the system s IPMI devices from the o...

Page 40: ...t OS Control You can use the Redundant OS Control screen to set the redundant OS info for redundant OS control It enables you to set up a physical recovery disk on your system Viewing Redundant OS Control To view the Redundant OS Control screen perform the following steps Steps 1 Turn on or restart your system 2 Press F2 immediately after you see the following message F2 System Setup NOTE If your ...

Page 41: ...eps 1 Turn on or restart your system 2 Press F2 immediately after you see the following message F2 System Setup NOTE If your operating system begins to load before you press F2 wait for the system to finish booting and then restart your system and try again 3 On the System Setup Main Menu screen click System BIOS 4 On the System BIOS screen click Miscellaneous Settings Miscellaneous Settings detai...

Page 42: ...ion update maintenance and diagnosis LC is delivered as part of the iDRAC out of band solution and Dell system embedded Unified Extensible Firmware Interface UEFI applications Embedded System Management The Dell Lifecycle Controller provides advanced embedded system management throughout the system s lifecycle The Dell Lifecycle Controller can be started during the boot sequence and can function i...

Page 43: ...ler program System Utilities Enables you to launch System Utilities menu such as System Diagnostics and UEFI shell One shot UEFI Boot menu One shot UEFI Boot menu enables you to access the UEFI Boot menu and select an one shot boot option to boot from System Utilities System Utilities contains the following utilities that can be launched Launch Diagnostics BIOS Update File Explorer Reboot System P...

Page 44: ...s and heat sinks Expansion cards and expansion card risers M 2 SSD module Optional IDSDM or vFlash module Network daughter card System battery Optional internal USB memory key Power supply units Power interposer board Trusted Platform Module System board Safety instructions NOTE Whenever you need to lift the system get others to assist you To avoid injury do not attempt to lift the system by yours...

Page 45: ...allation Guide at www dell com poweredgemanuals 4 Remove the system cover After working inside your system Prerequisites Follow the safety guidelines listed in Safety instructions Steps 1 Replace the system cover 2 If applicable install the system into the rack For more information see the Rail Installation Guide at www dell com poweredgemanuals 3 Reconnect the peripherals and connect the system t...

Page 46: ...al front bezel with the LCD panel Next steps 1 Replace the front bezel Installing the optional front bezel Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Locate and remove the bezel key NOTE The bezel key is part of the optional front bezel Steps 1 Align and insert the right end of the bezel onto the system 2 Press the release button and fit the left end of the bezel ...

Page 47: ...rEdge R940xa system supports SAS SATA Nearline SAS hard drives SSDs or NVMe drives The supported drive and SSD options for the PowerEdge R940xa system are 8 drives system Up to eight 2 5 inch SAS SATA or Nearline SAS front accessible drives in slots 0 through 7 32 drives system Up to 24 2 5 inch SAS SATA or Nearline SAS including 4 NVMe front accessible drives in slots 0 to 23 of upper drives bay ...

Page 48: ... blank is similar to a drive installation Installing the drive blank Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Remove the front bezel CAUTION Mixing drive blanks from previous generations of PowerEdge servers is not supported Steps 1 Insert the drive blank into the drive slot 2 Push the blank until the release button clicks into place Figure 22 Installing the dri...

Page 49: ...nsertion CAUTION Mixing drives from previous generations of PowerEdge servers is not supported CAUTION To prevent data loss ensure that your operating system supports drive installation See the documentation supplied with your operating system 4 Remove the front bezel Steps 1 Press the release button to open the drive carrier release handle 2 Holding the handle slide the drive carrier out of the d...

Page 50: ...overwrite Any data on the replacement drive is immediately lost after the drive is installed 1 Follow the safety guidelines listed in Safety instructions 2 Remove the front bezel 3 Remove the drive or drive blank Steps 1 Insert the drive carrier into the drive slot and slide until the drive connects with the backplane NOTE To open the release handle press the release button on the front of the dri...

Page 51: ...ier ensure that the screws are torqued to 4 in lbs Steps 1 Insert the drive into the drive carrier with the connector end of the drive towards the back of the carrier 2 Align the screw holes on the drive with the screws holes on the drive carrier 3 Using a Phillips 1 screwdriver tighten the screws that secure the drive to the drive carrier Figure 26 Installing a drive into the drive carrier Instal...

Page 52: ...Turn off the system including any attached peripherals 3 Disconnect the system from the electrical outlet and disconnect the peripherals Steps 1 Use a 1 4 inch flat head or a Phillips 2 screwdriver to turn the latch release lock counterclockwise to the unlock position 2 Open the latch till the system cover slides back 3 Lift the cover from the system Figure 27 Removing the system cover Next steps ...

Page 53: ... press the latch down 3 Use a 1 4 inch flat head or Phillips 2 screwdriver to turn the latch release lock clockwise to the locked position Figure 28 Installing system cover Next steps 1 Follow the procedure listed in After working inside your system Support bar The support bar provides support for the chassis walls Removing the support bar Prerequisites 1 Follow the safety guidelines listed in Saf...

Page 54: ...t bar Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system Steps 1 Align the support bar slots with the tabs on the system chassis 2 Pull the blue release pins and lower the support bar into the system until it locks in place 3 Tighten the thumb screws to secure the support with the chassis 54 Installing and r...

Page 55: ...hen the system is on may expose you to a risk of electric shock Exercise utmost care while removing or installing cooling fans CAUTION The cooling fans are hot swappable To maintain proper cooling while the system is on replace only one fan at a time CAUTION Do not operate the system with the cover removed for a duration exceeding five minutes 1 Follow the safety guidelines listed in Safety instru...

Page 56: ...swappable To maintain proper cooling while the system is on replace only one fan at a time CAUTION Do not operate the system with the cover removed for a duration exceeding five minutes 1 Follow the safety guidelines listed in Safety instructions Steps 1 Holding the touch points on the cooling fan align the connector on the cooling fan with the slots in the cooling fan assembly 2 Slide the cooling...

Page 57: ...em can result in the server overheating and may lead to damage Removing the cooling fan assembly Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system Steps 1 Lift the release levers to unlock the cooling fan assembly 2 Hold the release levers and lift the cooling fan assembly out of the system Installing and r...

Page 58: ...he routing of the cable as you remove it from the system Route the cable properly when you replace it to prevent the cable from being pinched or crimped Steps 1 Align the guide slots on the cooling fan assembly with the standoffs on the system 2 Lower the cooling fan assembly into the system until the cooling fan connectors engage with the connectors on the system board 3 Press the release levers ...

Page 59: ...drive configuration Removing the USB 3 0 module Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the front bezel 4 Remove the support bar 5 Remove the air shrouds 6 Remove the cooling fan assembly Steps 1 Disconnect the cables from the system board 2 Using a Phillips 2 screwdriver loosen the screw...

Page 60: ...m 3 Remove the front bezel 4 Remove the support bar 5 Remove the air shrouds 6 Remove the cooling fan assembly Steps 1 Route the power and the USB cables on the USB 3 0 module through the USB 3 0 module slot on the front of the system 2 Insert the USB 3 0 module into the slot on the front panel 3 Align the screw on the module with the screw hole on the system 4 Using a Phillips 2 screwdriver tight...

Page 61: ...aders and optical disc writers The optical drive is supported only in the 8 x 2 5 inch hard drive configuration Removing the optical drive Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the front bezel 4 Remove the support bar 5 Remove the air shrouds 6 Remove the cooling fan assembly 7 Disconne...

Page 62: ...ess the release tab to release the optical drive 2 Slide the optical drive out of the system Figure 37 Removing optical drive Figure 38 Installing optical drive blank 62 Installing and removing system components ...

Page 63: ... system 3 Remove the front bezel 4 Remove the support bar 5 Remove the air shroud 6 Remove the cooling fan assembly Steps 1 If installed remove the optical drive blank Figure 39 Removing the optical drive blank 2 Align the optical drive with the optical drive slot on the front of the system 3 Slide in the optical drive until the release tab snaps into place Installing and removing system component...

Page 64: ...ntrol panel A control panel allows you to manually control the inputs to the server Your system supports Left control panel Contains status LEDs system ID button and iDRAC Quick Sync 2 optional Right control panel Contains power button USB 2 0 port VGA port micro USB for iDRAC Direct and status LED for iDRAC Direct Removing the left control panel Prerequisites 1 Follow the safety guidelines listed...

Page 65: ...erequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the front bezel 4 Remove the support bar 5 Remove the air shrouds 6 Remove the cooling fan assembly Steps 1 Route the control panel cable through the side wall of the system 2 Align the control panel assembly with the control panel slot on the system ...

Page 66: ... system 3 Remove the front bezel 4 Remove the support bar 5 Remove the air shroud 6 Remove the cooling fan assembly Steps 1 Disconnect the VGA cable from the system board 2 Lift the cable latch and disconnect the control panel cable from the system board connector 3 Using a Phillips 1 screwdriver remove the screws that secure cable cover and remove it from the system 4 Remove the screws that secur...

Page 67: ...ud 6 Remove the cooling fan assembly Steps 1 Route the control panel cable through the side wall of the system 2 Align the control panel assembly with the control panel slot on the system and place the assembly in the slot on the system 3 Connect the VGA cable to the system board 4 Connect the control panel cable to the system board connector and secure it using cable latch 5 Using a Phillips 1 sc...

Page 68: ...erEdge R940xa has four air shrouds as mentioned below NOTE Ensure that you install or remove the air shrouds in the order mentioned below 1 Air shroud A 2 GPU shroud 3 Air shroud B 4 Air shroud C Air shroud A Removing the air shroud A Prerequisites CAUTION Never operate your system without the air shroud The system may get overheated quickly resulting in shutdown of the system and loss of data 1 F...

Page 69: ...delines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 If applicable route the cables inside the system along the system wall and secure the cables by using the cable latch Steps 1 Align the slots on air shroud A with the guides on shroud B 2 Lower the air shroud into the system until the blue release tabs locks in place ...

Page 70: ...he GPU shroud must be removed only when a GPU is installed in the system 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shroud A Steps 1 Hold the GPU shroud by the edges on either side of the touch points 2 Lift it from the system 70 Installing and removing system components ...

Page 71: ...re listed in Before working inside your system 3 Remove the support bar 4 Remove the air shroud A 5 Route the cables inside the system along the system wall and secure the cables by using the cable latch Steps 1 Align the slots on the GPU shroud with the tabs on air shroud B 2 Lower the GPU shroud into the system until it is firmly seated Installing and removing system components 71 ...

Page 72: ...oving the air shroud B Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shroud A 5 Remove the NVDIMM N battery if installed Steps 1 Hold the air shroud on the blue touch points 2 Lift it out of the system 72 Installing and removing system components ...

Page 73: ... Before working inside your system 3 If applicable route the cables inside the system along the system wall and secure the cables by using the cable latch 4 Remove the support bar 5 Remove the air shroud A Steps 1 Align the slots on the air shroud with the tabs on the system chassis and air shroud C 2 Lower the air shroud into the system until it is firmly seated Installing and removing system com...

Page 74: ...hile placing the air shroud C 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shrouds A 5 Remove the NVDIMM N battery if installed 6 Remove the air shroud B Steps 1 Release the cables from the cable retention clips on the shroud 2 Disengage the air shroud from the retention tab...

Page 75: ... instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shrouds A 5 Remove the air shroud B Steps 1 Align the metal tab on the air shroud with the slot on the chassis wall 2 Align and push down to seat the shroud firmly on the chassis wall retention tab Installing and removing system components 75 ...

Page 76: ...DIMM N battery Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system CAUTION NVDIMM N battery is not hot swappable To prevent data loss and potential damage to your system ensure that your system LEDs on system LEDs on NVDIMM N and LEDs on NVDIMM N battery are turned off before removing the NVDIMM N battery CAU...

Page 77: ... swappable To prevent data loss and potential damage to your system ensure that your system LEDs on system LEDs on NVDIMM N and LEDs on NVDIMM N battery are turned off before installing the NVDIMM N battery CAUTION To avoid damage to the battery connector you must firmly support the connector while installing or removing a battery 2 Follow the procedure listed in Before working inside your system ...

Page 78: ...figuration the drive backplanes supported in PowerEdge R940xa are listed here Table 9 Supported backplane options for PowerEdge R940xa system System Supported backplane options PowerEdge R940xa 2 5 inch x24 SAS SATA backplane 2 5 inch x24 backplane expander which supports 4 SAS SATA NVMe hard drives 2 5 inch x8 SAS SATA backplane 2 5 inch x8 SAS SATA lower backplane 78 Installing and removing syst...

Page 79: ...nector 5 Power cable connector 6 Backplane signal connector Figure 56 2 5 inch x24 backplane expander 1 Mini SAS hard drive AB 0 2 Mini SAS hard drive AB 1 Figure 57 2 5 inch x8 SAS SATA backplane 1 Mini SAS hard drive B 1 2 Backplane signal connector 3 Power cable connector 4 Mini SAS hard drive A 1 Installing and removing system components 79 ...

Page 80: ...elines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Disconnect the cables a If applicable disconnect all the slimline SAS cables from the system board b If applicable disconnect all the PERC cables from the adapter PERC cards 4 Remove the drives 5 Remove the support bar 6 Remove the air shrouds 7 Remove the cooling fan assembly Steps 1 Loosen t...

Page 81: ...the blue release tabs and lift the lower backplane to disengage the slots from the guides on the system 5 Lift the lower backplane out of the system Figure 60 Removing the lower backplane Next steps 1 Replace the backplane Installing and removing system components 81 ...

Page 82: ...ove the drives 5 Remove the support bar 6 Remove the air shrouds 7 Remove the cooling fan assembly Steps 1 Align the slots on the lower backplane with the guides on the system by holding the blue release tabs 2 Press the lower backplane until the release tabs snap into place Figure 61 Installing the lower backplane 3 Align the slots on the backplane with the guides on the system by holding the blu...

Page 83: ...ne SAS I2C and power cables to the backplane b Connect the I2C and power cables to the system board 2 Replace the cooling fan assembly 3 Replace the air shrouds 4 Replace the support bar 5 Replace the drives 6 Follow the procedure listed in After working inside your system Installing and removing system components 83 ...

Page 84: ...Cable routing Figure 63 8 x 2 CPU GPU Figure 64 8 x 2 CPU no GPU 8 x 4 CPU no GPU without front NVMe 8 x 4 CPU GPU without front NVMe 84 Installing and removing system components ...

Page 85: ...Figure 65 8 X Chipset SATA Figure 66 32 x 4 P Single PERC GPU NVMe Installing and removing system components 85 ...

Page 86: ...Figure 67 32 x 2 P Single PERC GPU No NVMe Figure 68 32 x 4 P Single PERC GPU No NVMe 86 Installing and removing system components ...

Page 87: ...48 memory sockets split into four sets of 12 sockets one set per processor Each 12 socket set is organized into six channels Six memory channels are allocated to each processor In each channel the release tabs of the first socket are marked white and the second socket black Installing and removing system components 87 ...

Page 88: ...9 Slots A4 and A10 Slots A5 and A11 Slots A6 and A12 Processor 2 Slots B1 and B7 Slots B2 and B8 Slots B3 and B9 Slots B4 and B10 Slots B5 and B11 Slots B6 and B12 Processor 3 Slots C1 and C7 Slots C2 and C8 Slots C3 and C9 Slots C4 and C10 Slots C5 and C11 Slots C6 and C12 Processor 4 Slots D1 and D7 Slots D2 and D8 Slots D3 and D9 Slots D4 and D10 Slots D5 and D11 Slots D6 and D12 88 Installing ...

Page 89: ...processor systems sockets A1 to A12 sockets B1 to B12 sockets C1 to C12 and sockets D1 to D12 are available Populate all the sockets with white release tabs first followed by the black release tabs When mixing memory modules with different capacities populate the sockets with memory modules with the highest capacity first For example if you want to mix 8 GB and 16 GB memory modules populate 16 GB ...

Page 90: ...ocessor2 B7 Configuration 5 12x 32 GB RDIMMs 2x NVDIMM Ns Same for all 12x RDIMM configurations See Configuration 1 Processor1 A7 Processor2 B7 Configuration 6 22x 32 GB RDIMMs 2x NVDIMM Ns Processor1 A1 2 3 4 5 6 7 8 9 10 11 Processor2 B1 2 3 4 5 6 7 8 9 10 11 Processor1 A12 Processor2 B12 Configuration 7 12x 16 GB RDIMMs 4x NVDIMM Ns Same for all 12x RDIMM configurations See Configuration 1 Proc...

Page 91: ...6 7 8 9 10 11 12 Processor2 B1 2 3 4 5 6 7 8 9 10 11 Processor3 C1 2 3 4 5 6 7 8 9 10 11 12 Processor 4 D1 2 3 4 5 6 7 8 9 10 11 12 Processor2 B12 Configuration 4 24x 16GB RDIMMs 2x NVDIMM Ns Processor1 A1 2 3 4 5 6 Processor2 B1 2 3 4 5 6 Processor3 C1 2 3 4 5 6 Processor4 D1 2 3 4 5 6 Processor1 A7 Processor2 B7 Configuration 5 24x 32GB RDIMMs 2x NVDIMM Ns Processor1 A1 2 3 4 5 6 Processor2 B1 2...

Page 92: ...sor1 A10 11 12 Processor2 B10 11 12 Configuration 13 24x 16GB RDIMMs 12x NVDIMM Ns Processor1 A1 2 3 4 5 6 Processor2 B1 2 3 4 5 6 Processor3 C1 2 3 4 5 6 Processor4 D1 2 3 4 5 6 Processor1 A7 8 9 10 11 12 Processor2 B7 8 9 10 11 12 Configuration 14 24x 32GB RDIMMs 12x NVDIMM Ns Processor1 A1 2 3 4 5 6 Processor2 B1 2 3 4 5 6 Processor3 C1 2 3 4 5 6 Processor4 D1 2 3 4 5 6 Processor1 A7 8 9 10 11 ...

Page 93: ...TB 6 TB 1 4 6 X 512 GB 6 X 64 GB 3456 GB 6 TB 12 TB 1 8 6 X 512 GB 6 X 128 GB 3840 GB 6 TB 12 TB 1 4 Table 14 App Direct Mode configurations Dual and Quad socket Optane DIMMs per CPU DRAM DIMMs per CPU Total capacity per CPU 2 Socket OS Memory capacity 4 Socket OS Memory capacity 2 Socket App Direct Optane capacity 4 Socket App Direct Optane capacity 6 X 128 GB 6 X 32 GB 960 GB 384 GB 768 GB 1 5 T...

Page 94: ...Multi Rank Spare Mode allocates two ranks per channel as a spare If excessive correctable errors occur in a rank or channel while the operating system is running they are moved to the spare area to prevent errors from causing an uncorrectable failure Requires three or more ranks to be populated in each channel With single rank memory sparing enabled the system memory available to the operating sys...

Page 95: ... A4 A5 B1 B2 B4 B5 For 16 DIMMs A1 A2 A4 A5 A7 A8 A10 A11 B1 B2 B4 B5 B7 B8 B10 B11 Mirroring population order A 1 2 3 4 5 6 B 1 2 3 4 5 6 A 7 8 9 10 11 12 B 7 8 9 10 11 12 Mirroring is supported with 6 or 12 DIMMs per processor Single rank sparing population order A 1 B 1 A 2 B 2 A 3 B 3 A 4 B 4 A 5 B 5 A 6 B 6 DIMMs must be populated in the order specified Requires two ranks or more per channel ...

Page 96: ... A 2 B 2 C 2 D 2 A 3 B 3 C 3 D 3 A 4 B 4 C 4 D 4 DIMMs must be populated in the order specified Requires three ranks or more per channel Fault resilient population order A 1 2 3 4 5 6 B 1 2 3 4 5 6 C 1 2 3 4 5 6 D 1 2 3 4 5 6 A 7 8 9 10 11 12 B 7 8 9 10 11 12 C 7 8 9 10 11 12 D 7 8 9 10 11 12 Supported with 6 or 12 DIMM slots per processor Removing a memory module The procedure for removing a DIMM...

Page 97: ...ed off before installing the NVDIMM N battery CAUTION To ensure proper system cooling memory module blanks must be installed in any memory socket that is not occupied Remove memory module blanks only if you intend to install memory modules in those sockets CAUTION To ensure proper system cooling in configurations with mid drive tray memory module blanks must be installed in any memory socket that ...

Page 98: ...memory module with your thumbs until the socket levers firmly click into place Figure 73 Installing the memory module Next steps 1 Replace the air shrouds 2 Replace the support bar 3 Follow the procedure listed in After working inside your system 4 To verify if the memory module has been installed properly press F2 and navigate to System Setup Main Menu System BIOS Memory Settings In the Memory Se...

Page 99: ...the air shrouds 5 Remove the cooling fan assembly if you are replacing the heat sink 3 or 4 Steps 1 Use a Torx T30 screwdriver to loosen the screws on the heat sink in the order mentioned below a Loosen the first screw three turns b Loosen the second screw completely c Return to the first screw and loosen it completely 2 Push both blue retention clips simultaneously and lift the processor and heat...

Page 100: ... module if you are replacing the processor or heat sink This procedure is not required when replacing a system board 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the processor and heat sink module Steps 1 Insert a flat blade screwdriver into the release slot marked with a yellow label Twist do not pry the s...

Page 101: ... and the processor from the heat sink and place the processor connector side down on the processor tray 4 Flex the outer edges of the bracket to release the bracket from the processor NOTE Ensure that the processor and the bracket are placed in the tray after you remove the heat sink Installing and removing system components 101 ...

Page 102: ...nes listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Install the processor and heat sink module Steps 1 Place the processor in the processor tray NOTE Ensure that the pin 1 indicator on the processor tray is aligned with the pin 1 indicator on the processor 2 Flex the outer edges of the bracket around the processor ensuring that the processor is lo...

Page 103: ...n result in excess grease coming in contact with and contaminating the processor socket NOTE The thermal grease syringe is intended for single use only Dispose the syringe after you use it Figure 80 Applying thermal grease on top of the processor 5 Place the heat sink on the processor and push down on the base of the heat sink until the bracket locks onto the heat sink NOTE Ensure that the two gui...

Page 104: ...PHM on the processor socket CAUTION To avoid damaging the fins on the heat sink do not press down on the heat sink fins NOTE Ensure that the PHM is held parallel to the system board to prevent damaging the components 2 Push the blue retention clips inward to allow the heat sink to drop in place 3 Using the Torx T30 screwdriver to tighten the screws on the heat sink in the order mentioned below a P...

Page 105: ...alling the PHM on CPU 1 or 2 Figure 82 Installing the PHM on CPU 3 or 4 Next steps 1 Replace the cooling fan assembly 2 Replace the air shrouds 3 Replace the support bar Installing and removing system components 105 ...

Page 106: ...card risers Figure 83 PCIe slot numbering The following table provides detailed information about the expansion card riser specifications Table 17 Expansion card riser specifications Number of processors NVMe GPU Riser size Slot size Slot quantity Available slots Height Length 4 NA GPU Ready Double wide accelerators capable X16 PCIe Riser 1 X 16 2 2 4 FH FL X 8 1 5 FH HL X16 PCIe Riser 2 X 16 2 9 ...

Page 107: ...of Xilinx card 11 4 2 Dell design PERC10 7 1 Mellanox Infiniband HCA EDR 6 7 2 Mellanox Infiniband HCA EDR 11 4 2 Mellanox 100G NICs 6 7 2 Mellanox 100G NICs 11 4 2 INTEL Omni Path HFI 6 7 2 INTEL Omni Path HFI 11 4 2 Dell design BOSS 11 4 1 Dell design BOSS 6 7 1 Dell design External RAID 6 7 2 Dell design External RAID 11 4 2 Mellanox Infiniband HCA FDR 6 7 2 INTEL 40Gb NICs 11 4 2 INTEL 40Gb NI...

Page 108: ...4 2 Qlogic FC8 HBA 6 7 2 Qlogic FC8 HBA 11 4 2 Broadcom 1Gb NICs 11 4 2 Broadcom 1Gb NICs 6 7 2 INTEL 1Gb NICs 6 7 2 INTEL 1Gb NICs 11 4 2 Dell design Non RAID 6 7 2 Dell design Non RAID 11 4 2 Dell design NVMe PCIe SSD 6 7 11 4 4 INTEL rNDC Integrated Slot 1 Broadcom rNDC Integrated Slot 1 Mellanox rNDC Integrated Slot 1 Qlogic rNDC Integrated Slot 1 Table 19 Riser configuration X8PCIe Riser 1 X8...

Page 109: ... 4 10 11 4 INTEL 25Gb NICs 3 4 10 11 4 INTEL 25Gb NICs 6 7 2 Mellanox 25G NICs 3 4 10 11 4 Mellanox 25G NICs 6 7 2 Qlogic 25G NICs 3 4 10 11 4 Qlogic 25G NICs 6 7 2 Emulex FC16 HBA 3 4 10 11 4 Emulex FC16 HBA 6 7 2 Qlogic FC16 HBA 3 4 10 11 4 Qlogic FC16 HBA 6 7 2 Broadcom 10Gb NICs 6 7 2 Broadcom 10Gb NICs 3 4 10 11 4 INTEL 10Gb NICs 6 7 2 INTEL 10Gb NICs 3 4 10 11 4 Mellanox 10Gb NICs 6 7 2 Mell...

Page 110: ...U 4 2 11 9 4 Intel FPGA 9 11 2 4 4 Xilinx FPGA NOTE Use double wide accelerator capable for installation or removal of Xilinx card 9 11 2 4 4 Dell design PERC10 5 1 Mellanox Infiniband HCA EDR 6 7 2 Mellanox Infiniband HCA EDR 9 11 2 4 4 Mellanox 100G NICs 6 7 2 Mellanox 100G NICs 9 11 2 4 4 INTEL Omni Path HFI 6 7 2 INTEL Omni Path HFI 9 11 2 4 4 Dell design BOSS 5 12 9 11 2 4 1 Dell design BOSS ...

Page 111: ...b NICs 5 12 9 11 2 4 6 Mellanox 10Gb NICs 6 7 2 Mellanox 10Gb NICs 5 12 9 11 2 4 6 Qlogic 10Gb NICs 5 12 9 11 2 4 6 Qlogic 10Gb NICs 6 7 2 Solarflare 10Gb NICs 5 12 9 11 2 4 6 Solarflare 10Gb NICs 6 7 2 Emulex FC8 HBA 6 7 2 Emulex FC8 HBA 5 12 9 11 2 4 6 Qlogic FC8 HBA 6 7 2 Qlogic FC8 HBA 5 12 9 11 2 4 6 Broadcom 1Gb NICs 5 12 9 11 2 4 6 Broadcom 1Gb NICs 6 7 2 INTEL 1Gb NICs 6 7 2 INTEL 1Gb NICs...

Page 112: ...C32 HBA 1 2 3 4 5 8 9 10 11 12 10 Emulex FC32 HBA 6 7 2 Qlogic FC32 HBA 1 2 3 4 5 8 9 10 11 12 10 Qlogic FC32 HBA 6 7 2 Broadcom 25G NICs 6 7 2 Broadcom 25G NICs 1 2 3 4 5 8 9 10 11 12 10 INTEL 25Gb NICs 1 2 3 4 5 8 9 10 11 12 10 INTEL 25Gb NICs 6 7 2 Mellanox 25G NICs 1 2 3 4 5 8 9 10 11 12 10 Mellanox 25G NICs 6 7 2 Qlogic 25G NICs 1 2 3 4 5 8 9 10 11 12 10 Qlogic 25G NICs 6 7 2 Emulex FC16 HBA ...

Page 113: ...ox rNDC Integrated Slot 1 Qlogic rNDC Integrated Slot 1 Table 22 Riser configuration X16PCIe Riser 1 X16 PCIe Riser 2 with NVME in a quad processor configuration Card Type Slot Priority Maximum number of Cards Nvidia GPU 4 2 11 9 4 Intel FPGA 9 11 2 4 4 Xilinx FPGA NOTE Use double wide accelerator capable for installation or removal of Xilinx card 9 11 2 4 4 Dell design PERC10 7 1 Mellanox Infinib...

Page 114: ... 11 2 4 4 Mellanox 25G NICs 6 7 2 Qlogic 25G NICs 9 11 2 4 4 Qlogic 25G NICs 6 7 2 Emulex FC16 HBA 9 11 2 4 4 Emulex FC16 HBA 6 7 2 Qlogic FC16 HBA 9 11 2 4 4 Qlogic FC16 HBA 6 7 2 Broadcom 10Gb NICs 6 7 2 Broadcom 10Gb NICs 9 11 2 4 4 INTEL 10Gb NICs 6 7 2 INTEL 10Gb NICs 9 11 2 4 4 Mellanox 10Gb NICs 6 7 2 Mellanox 10Gb NICs 9 11 2 4 4 Qlogic 10Gb NICs 9 11 2 4 4 Qlogic 10Gb NICs 6 7 2 Solarflar...

Page 115: ...00G NICs 6 7 2 INTEL Omni Path HFI 6 7 2 Dell design BOSS 1 2 3 4 8 9 10 11 1 Dell design BOSS 6 7 1 Dell design External RAID 6 7 2 Dell design External RAID 1 2 3 4 8 9 10 11 2 Mellanox Infiniband HCA FDR 6 7 2 INTEL 40Gb NICs 1 2 3 4 8 9 10 11 8 INTEL 40Gb NICs 6 7 2 Mellanox 40G NICs 6 7 2 Mellanox 40G NICs 1 2 3 4 8 9 10 11 8 Emulex FC32 HBA 1 2 3 4 8 9 10 11 8 Emulex FC32 HBA 6 7 2 Qlogic FC...

Page 116: ... 9 10 11 8 Broadcom 1Gb NICs 6 7 2 INTEL 1Gb NICs 6 7 2 INTEL 1Gb NICs 1 2 3 4 8 9 10 11 8 Dell design Non RAID 6 7 2 Dell design Non RAID 1 2 3 4 8 9 10 11 8 Dell design NVMe PCIe SSD 1 2 3 4 8 9 10 11 6 7 10 INTEL rNDC Integrated Slot 1 Broadcom rNDC Integrated Slot 1 Mellanox rNDC Integrated Slot 1 Qlogic rNDC Integrated Slot 1 NOTE For information about slot form factor see Expansion card rise...

Page 117: ...ured using the cable securing bracket routed along the chassis wall NOTE Remove the drive cable and the system board cables 2 Loosen the two thumb screws on the rear of the system chassis 3 Press the release tab and holding the riser by the blue touch points lift the riser from the system Figure 84 Removing the X8 PCIe Riser 1 Installing and removing system components 117 ...

Page 118: ... Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shrouds Steps 1 Align the riser with the slots on the rear of the system and lower the riser until it locks into place 2 Tighten the two thumb screws that secure the riser to the system 3 Reconnect the cables connected to the Power Interposer Board PIB system board and the backplane NOTE Ens...

Page 119: ...Figure 86 Installing the X8 PCIe Riser 1 Installing and removing system components 119 ...

Page 120: ...es 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shrouds 5 Remove the expansion card riser Steps 1 Press and slide the release button upwards to lift the cover 2 Open the card retention latch 3 Lift the card to disengage it from the connector on the riser 120 Installing and r...

Page 121: ...rd in the riser Installing the expansion card in the riser Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 If installing a new expansion card unpack it and prepare the card for installation NOTE For instructions see the documentation accompanying the card 3 Remove the support bar 4 Remove the air shrouds 5 Remove the expansion card riser Steps 1 Press and slide the rel...

Page 122: ...y instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shrouds 5 Remove the expansion card riser 6 If applicable disconnect the cables connected to the expansion card Steps 1 Press the card retention latch and open it 2 Hold the expansion card by its edge and lift the expansion card until the card edge connector disengages from t...

Page 123: ...moving the Expansion card Figure 91 Installing the filler bracket from a riser Next steps 1 Install a filler bracket if you are not going to replace the expansion card Installing and removing system components 123 ...

Page 124: ... before installing the riser Incorrectly installed cables may get damaged 7 If installing a new expansion card unpack it and prepare the card for installation 8 Unpack the expansion card and prepare it for installation NOTE For instructions see the documentation accompanying the card Steps 1 Lift and open the blue expansion card retention latch 2 Pull the filler bracket out of the system Remove th...

Page 125: ...alled To ensure adequate cooling when one or more GPUs are installed the ambient inlet temperature is restricted to 30 C for CPU 150 W 8 C 165 W 12 C 200 W 205 W For more information see Ambient temperature limitations All GPUs must be of the same type and model You can install a GPU card only in the X16 PCIe connector on the risers The X8 PCIe connector on the risers do not support GPU cards You ...

Page 126: ...ep dust and dirt out of the system and aid in proper cooling and airflow inside the system 6 Disconnect the GPU power cable system board slimline cable and the riser power cable Steps 1 Open the expansion card latch and the card holder latch on the riser 2 Press the release button 3 Pull the cover upward 4 Lift the cover 5 Open the card retention latch 6 Holding the card by its edges press the rel...

Page 127: ...munications Commission FCC certification of the system The brackets also keep dust and dirt out of the system and aid in proper cooling and airflow inside the system The filler bracket is necessary to maintain proper thermal conditions 11 Remove the GPU blank 12 Remove the GPU power cable and route it into the GPU blank 13 Replace the GPU blank Installing and removing system components 127 ...

Page 128: ...e your system 3 If installing a new expansion card unpack it and prepare the card for installation NOTE For instructions see the documentation accompanying the card 4 Remove the support bar 5 Remove the air shroud A 6 Remove the expansion card riser if you installing a GPU NOTE Store the filler bracket for future use Filler brackets must be installed in empty expansion card slots to maintain Feder...

Page 129: ...he expansion card riser 6 Remove the GPU blank shroud GPU ready The GPU power cable is enclosed in the GPU blank Figure 96 Removing the GPU blank 7 Remove the GPU power cable from the GPU blank and connect it to the GPU 8 Align the GPU blank cover with the clips on the riser and push down until it latches onto the riser 9 Holding the card by its edges align the connectors on the GPU with the slots...

Page 130: ... two 6 Gbps M 2 SATA drives The BOSS adapter card has a x8 connector using PCIe gen 2 0 x2 lanes Removing the M 2 BOSS module Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shrouds 5 Remove the expansion riser card 6 Remove the BOSS card NOTE Removing the BOSS ca...

Page 131: ... air shrouds 4 Replace the expansion card riser 5 Remove the BOSS card NOTE Removing the BOSS card is similar to the procedure for removing an expansion card Steps 1 Align the M 2 BOSS card at a 45 degree with the SATA connector on the M 2 BOSS module 2 Press the M 2 BOSS card into the SATA connector until firmly seated 3 Push the M 2 BOSS card down and using Phillips 1 screwdriver secure the M 2 ...

Page 132: ... module Removing the MicroSD card Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shrouds 5 Remove the expansion card riser 6 Remove the IDSDM or vFlash module Steps 1 Locate the MicroSD card slot on the IDSDM or vFlash module and press the card to partially relea...

Page 133: ...at the Internal SD Card Port is enabled in System Setup Steps 1 Locate the MicroSD card connector on the IDSDM or vFlash module Orient the MicroSD card appropriately and insert the contact pin end of the card into the slot NOTE Ensure that you install the MicroSD cards into the same slots based on the labels you had marked on the cards during removal 2 Press the card into the card slot to lock it ...

Page 134: ... removal Steps 1 Locate the IDSDM or vFlash connector on Riser 1 2 Holding the pull tab lift the IDSDM or vFlash module out of the system Figure 101 Removing the IDSDM or vFlash module NOTE There are two dip switches on the IDSDM or vFlash module for write protection NOTE If you are replacing the IDSDM or vFlash module remove the MicroSD cards Next steps 1 Replace the IDSDM or vFlash module Instal...

Page 135: ...gure 102 Installing the IDSDM or vFlash module Next steps 1 Replace the Micro SD cards 2 Replace the expansion card riser 3 Replace the air shrouds 4 Replace the support bar 5 Follow the procedure listed in After working inside your system Network daughter card The network daughter card NDC is a small removable mezzanine card which provides the flexibility of selecting different network connectivi...

Page 136: ... network daughter card Next steps 1 Replace the network daughter card Installing the network daughter card Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shrouds 5 Remove the expansion card riser Steps 1 Align the connectors on the NDC with the slots on the chass...

Page 137: ...ce the battery only with the same or equivalent type recommended by the manufacturer For more information see the safety information that shipped with your system 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the support bar 4 Remove the air shroud 5 Remove the expansion card riser Steps 1 Locate the battery...

Page 138: ...re the USB memory key with a boot image and then specify the USB memory key in the boot sequence in System Setup An optional USB memory key can be installed in the internal USB 3 0 port The USB 3 0 module cable connects to the internal USB port on the system board To locate the internal USB port see the system board connectors The internal USB memory key is supported only in the 8 x 2 5 inch hard ...

Page 139: ... on NOTE Titanium PSU is nominally rated for 200 V AC to 240 V AC input only NOTE When identical PSUs are installed power supply redundancy 2 2 with redundancy or 4 0 without redundancy is configured in system BIOS In redundant mode power is supplied to the system equally from both PSUs when Hot Spare is disabled When Hot Spare is enabled one of the PSUs is put into the sleep mode when system util...

Page 140: ...ON The system needs one power supply unit PSU for normal operation On power redundant systems remove and replace only one PSU at a time in a system that is powered on 1 Follow the safety guidelines listed in Safety instructions 2 Disconnect the power cable from the power source and from the PSU you intend to remove and then remove the cable from the strap on the PSU handle 3 Remove the optional st...

Page 141: ... For systems that support redundant PSU ensure that both the PSUs are of the same type and have the same maximum output power NOTE The maximum output power shown in watts is listed on the PSU label Steps 1 Slide the PSU into the system until the PSU is fully seated 2 Release the latch to lock it into place Figure 110 Installing the power supply unit Installing and removing system components 141 ...

Page 142: ...tices Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow all safety instructions that came with the product CAUTION Wire the unit with copper only unless otherwise specified use only 10 American Wire Gauge AWG wire rated minimum 90ºC for source and return Protect the 48 60 V DC 1 wire with a branch circuit over current protection rated 50 A for D...

Page 143: ...oard PIB 2 Disconnect the cables connected from the power interposer board PIB to the system board NOTE Observe the routing of the cable as you remove it from the system Route the cable properly when you replace it to prevent the cable from being pinched or crimped 3 Hold the touch point firmly and slide the power interposer board up and lift it out of the system Figure 111 Removing the power inte...

Page 144: ...retention tabs 4 Connect the Power Interposer Board cables 5 Connect the power cables to the system board and the hard drive backplane Next steps 1 Replace the expansion card riser 2 2 Replace the power supply units 3 Replace the air shrouds 4 Replace the support bar 5 Follow the procedure listed in After working inside your system Trusted Platform Module Trusted Platform Module TPM is a dedicated...

Page 145: ... it 90 counterclockwise to release it from the system board 5 Pull the plastic rivet out of its slot on the system board Installing the TPM Steps 1 To install the TPM align the edge connectors on the TPM with the slot on the TPM connector 2 Insert the TPM into the TPM connector such that the plastic rivet aligns with the slot on the system board 3 Press the plastic rivet until the rivet snaps into...

Page 146: ...rs Steps 1 While booting your system press F2 to enter System Setup 2 On the System Setup Main Menu screen click System BIOS System Security Settings 3 From the TPM Security option select On 4 Save the settings 5 Restart your system 6 Enter System Setup again 7 On the System Setup Main Menu screen click System BIOS System Security Settings 8 Select the TPM Advanced Settings option 9 From the TPM2 ...

Page 147: ...delines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the following a Support bar b Air shrouds c Cooling fan assembly d Processor and heat sink module e Processor f Expansion card risers g Expansion cards h iDSDM vFlash card i Internal USB key j USB 3 0 module if installed k Memory modules l Network daughter card Steps 1 Disconnect all c...

Page 148: ...n while placing the system board into the system 2 Hold the system board plungers incline the system board at an angle into the system NOTE If you are replacing the system board remove all the components listed in the removing the system board section 3 Align the connectors on the system board with the slots on the rear of the system chassis 4 Slide the system board toward the rear of the system u...

Page 149: ...tem board 2 Replace the iDRAC MAC address label from the luggage tag on the front of the system with the new iDRAC MAC address label that came with the replacement system board 3 Reconnect all cables to the system board NOTE Ensure that the cables inside the system are routed along the chassis wall and secured using the cable securing bracket 4 Boot the system 5 Follow the procedure listed in Afte...

Page 150: ...usly created Hardware Server Profile press F10 NOTE When the restore process is complete BIOS prompts to restore the system configuration data 4 To restore the system configuration data press Y 5 To use the default configuration settings press N NOTE After the restore process is complete system reboots NOTE If restoring the Service Tag is successful you can check the Service Tag information in the...

Page 151: ...and describes the connectors on the various boards in the system Jumpers on the system board help to disable the system and setup passwords You must know the connectors on the system board to install components and cables correctly Topics System board connectors System board jumper settings Disabling a forgotten password 6 Jumpers and connectors 151 ...

Page 152: ...connectors Item Connector Description 1 D7 D1 D8 D2 D9 D3 Memory module sockets for CPU 4 DIMMs Channels 0 1 2 2 J_ODD Optical drive power connector 3 CPU4 CPU 4 processor and heat sink module socket with dust cover 4 J_BP_PWR0 Backplane B power connector 152 Jumpers and connectors ...

Page 153: ...PU 2 DIMMs Channels 3 4 5 19 J_PIB_SIG1 Power Interposer Board signal connector 1 20 J_RISER2 PCIe riser 2 connector 21 J_PIB_PWR 4 Power Interposer Board power connector 4 22 J_PIB_PWR 3 Power Interposer Board power connector 3 23 J_PIB_PWR 2 Power Interposer Board power connector 2 24 J_PIB_PWR 1 Power Interposer Board power connector 1 25 U_USB_RECONN USB Client power management 26 J_BATT_PWR N...

Page 154: ... Turn off the system including any attached peripherals and disconnect the system from the electrical outlet 2 Remove the system cover 3 Move the jumper on the system board jumper from pins 3 and 5 to pins 1 and 3 and wait approximately 10 seconds 4 Replace the jumper plug on pins 3 and 5 5 Install the system cover Reconnect the system to its electrical outlet and turn on the system including any ...

Page 155: ...t time it boots 5 Reconnect the system to its electrical outlet and turn the system on including any attached peripherals 6 Turn off the system including any attached peripherals and disconnect the system from the electrical outlet 7 Remove the system cover 8 Move the jumper on the system board jumper from pins 2 and 4 to pins 4 and 6 9 Install the system cover 10 Reconnect the system to its elect...

Page 156: ...tions Supported operating systems PSU specifications System battery specifications PCIe riser and slots Memory specifications Storage controller specifications Drive specifications Ports and connectors specifications Video specifications Environmental specifications System dimensions This section describes the physical dimensions of the system 7 156 Technical specifications ...

Page 157: ...inches 23 9 mm 0 94 inches 812 mm 31 96 inches 842 mm 33 14 inches Chassis weight Table 27 Chassis weight System Maximum weight with all drives PowerEdge R940xa 2 5 x 32 X16 PCIe Riser 1 X16 PCIe Riser 2 riser with 4 DW GPU 2 full height half length PCIE cards 56 0 Kg 111 75 lb Processor specifications The PowerEdge R940xa system supports two or four Intel Xeon Processor Scalable Family Skylake EP...

Page 158: ...0 Hz 100 240 V AC 750 W 750 W N A 10 A 5 A 750 W Mixed Mode DC for China only Platinum 2891 BTU hr 50 60 Hz 240 V DC 750 W N A 750 W 5 A 1100 W AC Platinum 4100 BTU hr 50 60 Hz 100 240 V AC autoranging 1100 W 1050 W N A 12 A 6 5 A 1100 W DC N A 4416 BTU hr N A 48 60 V DC autoranging N A N A 1100 W 32 A 1100 W Mixed Mode HVDC for China and Japan only Platinum 4100 BTU hr 50 60 Hz 100 240 V AC autor...

Page 159: ...NA Non GPU Single wide FPGA X8 PCIe Riser 1 X 8 5 1 2 3 4 5 FH HL X8 PCIe Riser 2 X 8 5 8 9 10 11 12 FH HL Front NVMe GPU Ready Double wide accelerators capable X16 PCIe Riser 1 X 16 2 2 4 FH FL X16 PCIe Riser 2 X 16 2 9 11 FH FL Front NVMe Non GPU Single wide FPGA X8 PCIe Riser 1 X 8 4 1 2 3 4 FH HL X8 PCIe Riser 2 X 8 4 8 9 10 11 FH HL 2 NA GPU Ready Double wide accelerators capable X16 PCIe Ris...

Page 160: ... DCPMM 6144 GB DCPMM 8192 GB DCPMM 12288 GB NOTE Do not mix 8 GB RDIMMs and 16 GB NVDIMM Ns NOTE Do not mix 64 GB LRDIMMs and 128 GB LRDIMMs Table 31 DIMM blank population rules Processor configuration Processor 1 Processor 2 Processor 3 Processor 4 Dual processor Required Required Not required Not required Quad processor Required Required Required Required Storage controller specifications The Po...

Page 161: ...0 with LTO 5 LTO 6 LTO 7 8Gb FC tape drives Ports and connectors specifications USB ports The PowerEdge R940xa system supports Two USB 2 0 compliant ports on the front of the system One internal USB 3 0 compliant port One optional USB 3 0 compliant port on the front of the system NOTE The USB 3 0 port is supported in the 8x2 5 inch configuration only One micro USB 2 0 compliant port in the front o...

Page 162: ...use Dell branded MicroSD cards associated with the IDSDM or vFlash configured systems Video specifications The PowerEdge R940xa system supports integrated Matrox G200eW3 graphics controller with 16 MB of video frame buffer Table 32 Supported video resolution options Resolution Refresh Rate Color depth bits Horizontal Freq Pixel Clock Rear Panel Front Panel DVO DisplayPort 1024 x 768 60 Hz 8 16 32 ...

Page 163: ... pulses in the positive and negative x y and z axes of 6 G for up to 11 ms Storage Six consecutively executed shock pulses in the positive and negative x y and z axes one pulse on each side of the system of 71 G for up to 2 ms Table 37 Maximum altitude specifications Maximum altitude Specifications Operating 3048 m 10 000 ft Storage 12 000 m 39 370 ft Table 38 Operating temperature de rating speci...

Page 164: ...e iDRAC9 BIOS setup screen For more information see the Dell EMC PowerEdge system Installation and Service Manual on Dell com Support Manuals and Advanced Thermal Control Optimizing across Environments and Power Goals on Dell com Cooling redundancy The system allows N 1 fan redundancy allowing continuous operation with one fan failure in the system Environmental Specifications The optimized therma...

Page 165: ...o GPU 2 4 CPU 8x2 5 inch C40E45 Non support FA with GPU AEP NVDIMM PCIeSSD NVMe and INTEL FPGALRDIM M 32G Six standard 2U height HSK 4U height HSK Install the air shroud A L shape NOTE C40E45 Fresh air support for continuous 40C and extended 45C Thermal restrictions Following table lists the configuration required for efficient cooling Table 41 Thermal restrictions support matrix Number of hard dr...

Page 166: ...ight HSK Six standar d Remove the GPU shroud Yes max 44x N A N A 8 x 2 5 inch SAS SATA L shape 8 x 2 5 inch SAS SATA 12 PCIe X8 PCIe Riser 1 X8 PCIe Riser 2 2 N A 2U height HSK N A Six standar d Standard Yes max 22x N A N A 8 x 2 5 inch SAS SATA 12 PCIe X8 PCIe Riser 1 X8 PCIe Riser 2 4 N A 2U height HSK 4U height HSK Six standar d Standard Yes max 44x N A N A L shape 8 x 2 5 inch SAS SATA 8 PCIe ...

Page 167: ...is the responsibility of the customer Table 43 Particulate contamination specifications Particulate contamination Specifications Air filtration Data center air filtration as defined by ISO Class 8 per ISO 14644 1 with a 95 upper confidence limit NOTE The ISO Class 8 condition applies to data center environments only This air filtration requirement does not apply to IT equipment designed to be used...

Page 168: ...r there is a fan failure Ensure that none of the following conditions exist A cooling fan has been removed or has failed System cover air shroud memory module blank or back filler bracket is removed Ambient temperature is too high External airflow is obstructed If the problem persists see Getting help Electrical indicator The indicator turns solid amber if the system experiences an electrical erro...

Page 169: ...nc 2 indicators Table 47 iDRAC Quick Sync 2 indicators and descriptions Indicator code Description Corrective action Off default state Indicates that the iDRAC Quick Sync 2 feature is turned off Press the iDRAC Quick Sync 2 button to turn on the iDRAC Quick Sync 2 feature If the LED fails to turn on reseat the left control panel flex cable and check If the problem persists see the Getting help sec...

Page 170: ...IC on the back of the system has indicators that provide information about the activity and link status The activity LED indicator indicates if data is flowing through the NIC and the link LED indicator indicates the speed of the connected network Figure 120 NIC indicator codes 1 Link LED indicator 2 Activity LED indicator Table 49 NIC indicator codes Status Condition Link and activity indicators ...

Page 171: ...and turns off When hot plugging a PSU the PSU handle blinks green five times at a rate of 4 Hz and turns off This indicates a PSU mismatch with respect to efficiency feature set health status or supported voltage CAUTION If two PSUs are installed both the PSUs must have the same type of label for example Extended Power Performance EPP label Mixing PSUs from previous generations of PowerEdge server...

Page 172: ...for removal during this time Flashes green amber and then turns off Predicted drive failure Flashes amber four times per second Drive failed Flashes green slowly Drive rebuilding Solid green Drive online Flashes green for three seconds amber for three seconds and then turns off after six seconds Rebuild stopped System diagnostics If you experience a problem with your system run the system diagnost...

Page 173: ...m Assessment window is displayed listing all devices detected in the system The diagnostics starts executing the tests on all the detected devices Results Running the Embedded System Diagnostics from the Dell Lifecycle Controller Steps 1 As the system boots press F10 2 Select Hardware Diagnostics Run Hardware Diagnostics The ePSA Pre boot System Assessment window is displayed listing all devices d...

Page 174: ...ct The support page that lists the various support categories is displayed 5 For contact details of Dell Global Technical Support a Click Global Technical Support b The Contact Technical Support page is displayed with details to call chat or e mail the Dell Global Technical Support team Documentation feedback You can rate the documentation or write your feedback on any of our Dell EMC documentatio...

Page 175: ...are issues both proactively and predictively Automated case creation When an issue is detected SupportAssist automatically opens a support case with Dell EMC Technical Support Automated diagnostic collection SupportAssist automatically collects system state information from your devices and uploads it securely to Dell EMC This information is used by Dell EMC Technical Support to troubleshoot the i...

Page 176: ...iguring and logging in to iDRAC and managing your system remotely see the Integrated Dell Remote Access Controller User s Guide For information about understanding Remote Access Controller Admin RACADM subcommands and supported RACADM interfaces see the RACADM CLI Guide for iDRAC For information about Redfish and its protocol supported schema and Redfish Eventing are implemented in iDRAC see the R...

Page 177: ...erprise User s Guide www dell com serviceabilitytools For information about partner programs enterprise systems management see the OpenManage Connections Enterprise Systems Management documents www dell com openmanagemanuals Working with the Dell PowerEdge RAID controllers For information about understanding the features of the Dell PowerEdge RAID controllers PERC Software RAID controllers or BOSS...

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