Dell EMC PowerEdge R940 Installation And Service Manual Download Page 25

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Figure 14. System dimensions of PowerEdge R940 system

Table 16. System dimensions of PowerEdge R940 system

System

Za (with

bezel)

Za (without

bezel)

PowerEdge R940

482.0 mm
(18.9 inches)

434.0 mm
(17.08
inches)

130.3 mm
(5.13
inches)

35.0 mm
(1.37
inches)

22.0 mm
(0.86 inches)

726.2 mm
(28.59
inches)

777.046 mm
(30.59 inches)

System weight

Table 17. System weight of PowerEdge R940 system

System

Maximum weight (with all hard drive/SSDs)

PowerEdge R940

49.9 kg (110.01 lb)

Processor specifications

The PowerEdge R940 system supports two or four Intel Xeon scalable family processors.

Technical specifications

Summary of Contents for EMC PowerEdge R940

Page 1: ...Dell EMC PowerEdge R940 Installation and Service Manual Regulatory Model E41S Series Regulatory Type E41S001 ...

Page 2: ... 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 Copyright 2017 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 2017 07 Rev A00 ...

Page 3: ...ecifications 25 PSU specifications 26 System battery specifications 26 Expansion bus specifications 26 Memory specifications 27 Storage controller specifications 27 Remote management port specifications 27 Drive specifications 27 Hard drives 27 Ports and connectors specifications 27 USB ports 27 NIC ports 28 Serial port 28 VGA ports 28 Video specifications 28 Environmental specifications 29 Partic...

Page 4: ...ement 58 Boot Manager 58 Viewing Boot Manager 58 Boot Manager main menu 59 One shot BIOS boot menu 59 System Utilities 59 PXE boot 59 6 Installing and removing system components 60 Safety instructions 60 Before working inside your system 61 After working inside your system 61 Recommended tools 61 Front bezel optional 61 Removing the optional front bezel 62 Installing the optional front bezel 62 Sy...

Page 5: ...d heat sinks 101 Removing a processor and heat sink module 101 Removing the processor from the processor and heat sink module 102 Installing the processor into a processor and heat sink module 104 Installing a processor and heat sink module 106 Processor expansion module 108 Removing the PEM 108 Installing the PEM 109 UPI cable routing 111 PEM power board 113 Removing the PEM power board 113 Insta...

Page 6: ...ional 140 Replacing optional internal USB memory key 140 System board 141 Removing the system board 141 Installing the system board 142 Trusted Platform Module 145 Replacing the Trusted Platform Module 145 Initializing TPM for BitLocker users 146 Initializing the TPM 1 2 for TXT users 146 Initializing the TPM 2 0 for TXT users 146 Control panel 146 Removing the right control panel 147 Installing t...

Page 7: ...lp 160 Contacting Dell 160 Documentation feedback 160 Accessing system information by using QRL 160 Quick Resource Locator for PowerEdge R940 system 161 Receiving automated support with SupportAssist 161 Contents 7 ...

Page 8: ...y system with PEM Four Intel Xeon scalable family processors 48 DIMM slots supporting up to 6 TB of memory Up to two AC or DC power supply units PSUs 24 hard drives or SSDs NOTE The PowerEdge R940 system supports hot swappable hard drives NOTE The PowerEdge R940 system is also available in a diskless no backplane configuration Topics Front view of the system Back view of the system Hard drive indi...

Page 9: ...n your system For more information about hard drives see the Technical specifications section 3 Right control panel N A Contains the power button VGA port iDRAC Direct port and USB ports 4 Information tag N A The Information Tag is a slide out label panel that contains system information such as Service Tag NIC MAC address and so on If you have opted for secure default access to iDRAC the Informat...

Page 10: ...ystem level diagnostic error information that can be used in troubleshooting the system You can access system inventory Dell Lifecycle Controller logs or system logs system health status and also configure iDRAC BIOS and networking parameters You can also launch the virtual Keyboard Video and Mouse KVM viewer and virtual Kernel based Virtual Machine KVM on a supported mobile device For more inform...

Page 11: ...the PSU If the problem persists see the Getting help section Memory indicator The indicator turns solid amber if a memory error occurs Check the System Event Log or system messages for the location of the failed memory Reseat the memory module If the problem persists see the Getting help section PCIe indicator The indicator turns solid amber if a PCIe card experiences an error Restart the system U...

Page 12: ...tion Solid white Indicates that iDRAC Quick Sync 2 is ready to communicate Press the iDRAC Quick Sync 2 button to turn off If the LED fails to turn off restart the system If the problem persists see the Getting help section Blinks white rapidly Indicates data transfer activity If the indicator continues to blink indefinitely see the Getting help section Blinks white slowly Indicates that firmware ...

Page 13: ... User s Guide at Dell com idracmanuals 3 USB ports The USB 3 0 ports are 9 pin USB 3 0 compliant These ports enable you to connect USB devices to the system 4 VGA port Enables you to connect a display device to the system For more information see the Technical specifications section iDRAC Direct LED indicator codes The iDRAC Direct LED indicator lights up to indicate that the port is connected and...

Page 14: ...sion card riser right supports up to three full height PCI Express expansion cards For more information see the Expansion card installation guidelines section 2 expansion card slot N A The expansion slots on the system board supports full height half length PCI Express expansion cards 3 NIC port 4 The NIC ports that are integrated on the network daughter card NDC provide network connectivity For m...

Page 15: ...el 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 8 NIC indicator codes 1 link LED indicator 2 activity LED indicator Table 10 NIC indicator codes Status Condition Link and activity indicators are off The NIC is not conne...

Page 16: ...smatch 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 servers is not supported even if the PSUs have the same power rating This results in a PSU mismatch condition or failure to turn the syste...

Page 17: ...type of label for example Extended Power Performance EPP label Mixing PSUs from previous generations of PowerEdge servers is not supported even if the PSUs have the same power rating This results in a PSU mismatch condition or failure to turn the system on CAUTION When correcting a PSU mismatch replace only the PSU with the blinking indicator Swapping the PSU to make a matched pair can result in a...

Page 18: ...er Interface AHCI mode the status LED indicator does not turn on Table 13 Hard drive indicator codes Hard drive status indicator code Condition Flashes green twice per second Identifying drive or preparing for removal Off Drive ready for removal NOTE The drive status indicator remains off until all drives are initialized after the system is turned on Drives are not ready for removal during this ti...

Page 19: ...If the problem persists see the Getting help section The LCD backlight remains off if LCD messaging is turned off using the iDRAC utility the LCD panel or other tools Figure 12 LCD panel features Table 14 LCD panel features Item Button or display Description 1 Left Moves the cursor back in one step increments 2 Select Selects the menu item highlighted by the cursor 3 Right Moves the cursor forward...

Page 20: ...at can be set as the default on the Home screen View menu NOTE When you select an option in the View menu you must confirm the option before proceeding to the next action Option Description iDRAC IP Displays the IPv4 or IPv6 addresses for iDRAC9 Addresses include DNS Primary and Secondary Gateway IP and Subnet IPv6 does not have Subnet MAC Displays the MAC addresses for iDRAC iSCSI or Network devi...

Page 21: ...ocating Service Tag of your system 1 information tag top view 2 information tag back view 3 OpenManage Mobile OMM label 4 iDRAC MAC address and iDRAC secure password label 5 Service Tag PowerEdge R940 overview 21 ...

Page 22: ...te Access Controller Admin RACADM subcommands and supported RACADM interfaces see the RACADM Command Line Reference Guide for iDRAC Dell com idracmanuals For information about updating drivers and firmware see the Methods to download firmware and drivers section in this document To download drivers Dell com support drivers Managing your system For information about systems management software offe...

Page 23: ...ers For information about understanding the features of the Dell PowerEdge RAID controllers PERC Software RAID controllers or BOSS card and deploying the cards see the Storage controller documentation Dell com storagecontrollermanuals Understanding event and error messages For information about checking the event and error messages generated by the system firmware and agents that monitor system co...

Page 24: ... specifications System battery specifications Expansion bus specifications Memory specifications Storage controller specifications Remote management port specifications Drive specifications Ports and connectors specifications Video specifications Environmental specifications System dimensions This section describes the physical dimensions of the system 3 24 Technical specifications ...

Page 25: ...m 17 08 inches 130 3 mm 5 13 inches 35 0 mm 1 37 inches 22 0 mm 0 86 inches 726 2 mm 28 59 inches 777 046 mm 30 59 inches System weight Table 17 System weight of PowerEdge R940 system System Maximum weight with all hard drive SSDs PowerEdge R940 49 9 kg 110 01 lb Processor specifications The PowerEdge R940 system supports two or four Intel Xeon scalable family processors Technical specifications 2...

Page 26: ...0 V AC then the power rating per PSU is derated to 1000 W NOTE If a system with 1600 W AC PSU operates at low line 100 120 V AC then the power rating per PSU is derated to 800 W NOTE If system with 1100 W AC PSU or 1100 W Mixed Mode HVDC PSU operates at low line 100 120 V AC then the power rating per PSU is derated to 1050 W System battery specifications The PowerEdge R940 system supports CR 2032 ...

Page 27: ...GB quad or octal rank LRDIMMs 16 GB 3 TB Forty eight 288 pins with quad processor 32 GB 6 TB Storage controller specifications The PowerEdge R940 system supports Internal storage controller cards PowerEdge RAID Controller PERC H330 PERC H740P S140 NVMe drives only and NVMe PCIe SSD adapter External storage controller cards PERC H840 and 12Gbps SAS HBA Remote management port specifications The Powe...

Page 28: ...ts that support up to 10 Gbps Two SFP28 ports that support up to 25 Gbps Serial port The PowerEdge R940 system supports one serial port on the back panel which is a 9 pin connector Data Terminal Equipment DTE 16550 compliant VGA ports The PowerEdge R940 system supports two 15 pin VGA ports One of the VGA ports is located on the front of the system and the other port is located on the back of the s...

Page 29: ...be non condensing at all times Operating 10 to 80 relative humidity with 26 C 78 8 F maximum dew point Table 24 Maximum vibration specifications Maximum vibration Specifications Operating 0 26 Grms at 5 Hz to 350 Hz all operation orientations Storage 1 87 Grms at 10 Hz to 500 Hz for 15 min all six sides tested Table 25 Maximum shock specifications Maximum shock Specifications Operating Six consecu...

Page 30: ...ons Air filtration Data center air filtration as defined by ISO Class 8 per ISO 14644 1 with a 95 upper confidence limit NOTE This condition applies to data center environments only Air filtration requirements do not apply to IT equipment designed to be used outside a data center in environments such as an office or factory floor NOTE Air entering the data center must have MERV11 or MERV13 filtrat...

Page 31: ...equal to 1 of annual operating hours 5 C to 45 C at 5 to 90 RH with 29 C dew point NOTE Outside the standard operating temperature 10 C to 35 C the system can operate down to 5 C or up to 45 C for a maximum of 1 of its annual operating hours For temperatures between 40 C and 45 C de rate maximum allowable temperature by 1 C per 125 m above 950 m 1 F per 228 ft NOTE When operating in the expanded t...

Page 32: ...t required 24 Yes eight standard fans Four heat sinks CPU 165 W No Twenty four 2 5 inch hard drive system 2 Two standard heat sinks for CPU 165W Not required 12 Yes eight standard fans Two heat sinks for CPU 165 W No 4 Four standard heat sinks for CPU 165 W Not required 24 Yes eight standard fans Four heat sinks for CPU 165 W No Table 33 NIC card slot restrictions Configuration Slot restriction Am...

Page 33: ...e the overall availability of Dell systems iDRAC alerts administrators to system issues helps them perform remote system management and reduces the need for physical access to the system Options to set up iDRAC IP address You must configure the initial network settings based on your network infrastructure to enable the communication to and from iDRAC You must use the default iDRAC IP address 192 1...

Page 34: ...roller User s Guide at Dell com idracmanuals You can also access iDRAC by using RACADM For more information see the RACADM Command Line Interface Reference Guide at Dell com idracmanuals Options to install the operating system If the system is shipped without an operating system install the supported operating system by using one of the following resources Table 34 Resources to install the operati...

Page 35: ... and install the latest BIOS drivers and systems management firmware on your system Prerequisites Ensure that you clear the web browser cache before downloading the drivers and firmware Steps 1 Go to Dell com support drivers 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 T...

Page 36: ...s of your system These settings have already been pre configured per solution requirements Contact Dell EMC before you change these settings 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 browse...

Page 37: ...perating 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 System BIOS Settings details 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 versi...

Page 38: ...ange the system date and time System Information You can use the System Information screen to view system properties such as Service Tag system model name and the BIOS version Viewing System Information To view the System Information screen perform the following steps 1 Turn on or restart your system 2 Press F2 immediately after you see the following message F2 System Setup NOTE If your operating ...

Page 39: ... 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 Memory Settings Memory Settings details The Memory Settings screen details are explained as follows Option Description System Memory Size Specifies the memory size in the system System Memory Type Specifies the type of memor...

Page 40: ...cal processor idling and opportunistic self refresh Viewing Processor Settings To view the Processor Settings screen perform the following steps 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...

Page 41: ...Cache Unit DCU IP prefetcher This option is set to Enabled by default Sub NUMA Cluster Enables or disables the Sub NUMA Cluster This option is set to Enabled by default Logical Processor Idling Enables you to improve the energy efficiency of a system It uses the operating system core parking algorithm and parks some of the logical processors in the system which in turn allows the corresponding pro...

Page 42: ...pplicable only for ATA andAHCI mode This option is set to Enable by default Write Cache Enables or disables the command for the embedded SATA drives during POST This option is set to Disable by default Port A Sets the drive type of the selected device For the Embedded SATA settings in ATA mode set this field to Auto to enable BIOS support Set it to OFF to turn off BIOS support For AHCI or RAID mod...

Page 43: ...upport is always enabled Option Description Model Specifies the drive model of the selected device Drive Type Specifies the type of drive attached to the SATA port Capacity Specifies the total capacity of the hard drive This field is undefined for removable media devices such as optical drives NVMe Settings The NVMe settings enable you to set the NVMe drives to either RAID mode or Non RAID mode NO...

Page 44: ...ystem 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 Boot Settings Boot Settings details The Boot Settings screen details are explained as follows Option Description Boot Mode Enables you to set the boot mode of the system CAUTION Switching...

Page 45: ... Select the UEFI boot mode you want the system to boot into CAUTION Switching the boot mode may prevent the system from booting if the operating system is not installed in the same boot mode 3 After the system boots in the specified boot mode proceed to install your operating system from that mode NOTE Operating systems must be UEFI compatible to be installed from the UEFI boot mode DOS and 32 bit...

Page 46: ...gs screen details are explained as follows Option Description PXE Device n n 1 to 4 Enables or disables the device When enabled a UEFI PXE boot option is created for the device PXE Device n Settings n 1 to 4 Enables you to control the configuration of the PXE device HTTP Device n n 1 to 4 Enables or disables the device When enabled a UEFI HTTP boot option is created for the device HTTP Device n Se...

Page 47: ...egrated Devices screen perform the following steps 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 Inte...

Page 48: ... Current State of Embedded Video Controller option is a read only field If the Embedded Video Controller is the only display capability in the system that is no add in graphics card is installed then the Embedded Video Controller is automatically used as the primary display even if the Embedded Video Controller setting is set to Disabled SR IOV Global Enable Enables or disables the BIOS configurat...

Page 49: ...bifurcation Control and is grayed out when set to Platform Default Bifurcation or Auto discovery of Bifurcation Table 37 Slot Bifurcation Option Description Slot 1 Bifurcation X4 or X8 or X4X4X4X8 or X8X4X4 Bifurcation Slot 3 Bifurcation X4 or X8 or X4X4X4X8 or X8X4X4 Bifurcation Slot 4 Bifurcation X16 or X4 or X8 or X4X4X4X8 or X8X4X4 Bifurcation Slot 5 Bifurcation X4 Bifurcation or X8 Bifurcatio...

Page 50: ... MUX setting to the default setting of Serial Device 1 External Serial Connector Enables you to associate the External Serial Connector to Serial Device 1 Serial Device 2 or the Remote Access Device by using this option This option is set to Serial Device 1 by default NOTE Only Serial Device 2 can be used for Serial Over LAN SOL To use console redirection by SOL configure the same port address for...

Page 51: ...ower management This option is set to System DBPM DAPC by default DBPM is Demand Based Power Management Memory Frequency Sets the speed of the system memory You can select Maximum Performance Maximum Reliability or a specific speed This option is set to Maximum Performance by default Turbo Boost Enables or disables the processor to operate in the turbo boost mode This option is set to Enabled by d...

Page 52: ...ables the PCI ASPM L1 Link Power Management This option is set to Enabled by default System Security You can use the System Security screen to perform specific functions such as setting the system password setup password and disabling the power button Viewing System Security To view the System Security screen perform the following steps 1 Turn on or restart your system 2 Press F2 immediately after...

Page 53: ...ditional reboot before it can take effect Intel R TXT Enables or disables the Intel Trusted Execution Technology TXT option To enable the Intel TXT option virtualization technology and TPM Security must be enabled with Pre boot measurements This option is set to Off by default Power Button Enables or disables the power button on the front of the system This option is set to Enabled by default AC P...

Page 54: ...he Secure Boot Custom Policy To enable this option set the Secure Boot Policy to Custom option Creating a system and setup password Prerequisites Ensure that the password jumper is enabled The password jumper enables or disables the system password and setup password features For more information see the System board jumper settings section NOTE If the password jumper setting is disabled the exist...

Page 55: ...nnot delete or change an existing system or setup password if the Password Status is set to Locked Steps 1 To enter System Setup press F2 immediately after turning on or restarting your system 2 On the System Setup Main Menu screen click System BIOS System Security 3 On the System Security screen ensure that Password Status is set to Unlocked 4 In the System Password field alter or delete the exis...

Page 56: ... Redundant OS Control To view the Redundant OS Control screen perform the following steps 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...

Page 57: ...ngs details The Miscellaneous Settings screen details are explained as follows Option Description System Time Enables you to set the time on the system System Date Enables you to set the date on the system Asset Tag Specifies the asset tag and enables you to modify it for security and tracking purposes Keyboard NumLock Enables you to set whether the system boots with the NumLock enabled or disable...

Page 58: ...anagement 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 independently of the operating system NOTE Certain platform configurations may not support the full set of features provided by the Dell Lifecycle Controller For more information about setting u...

Page 59: ...fecycle Controller program System Utilities Enables you to launch System Utilities menu such as System Diagnostics and UEFI shell One shot BIOS boot menu One shot BIOS boot menu enables you to select a boot device to boot from System Utilities System Utilities contains the following utilities that can be launched Launch Diagnostics BIOS Update File Explorer Reboot System PXE boot You can use the P...

Page 60: ...ers Network daughter card riser Network daughter card Storage controller card IDSDM vFlash card optional Power supply unit System battery Internal USB memory key optional System board Trusted Platform Module Control panel Safety instructions WARNING Whenever you need to lift the system get others to assist you To avoid injury do not attempt to lift the system by yourself WARNING Opening or removin...

Page 61: ...the system cover After working inside your system Prerequisites Follow the safety guidelines listed in Safety instructions Steps 1 Install the system cover 2 Reconnect the peripherals and connect the system to the electrical outlet 3 Turn on the system including any attached peripherals Recommended tools You need the following tools to perform the removal and installation procedures Key to the bez...

Page 62: ...ont bezel with the LCD panel Related links Installing the optional front bezel Installing the optional front bezel Prerequisites Follow the safety guidelines listed in Safety instructions Steps 1 Locate and remove the bezel key NOTE The bezel key is part of the LCD bezel package 2 Align and insert the right end of the bezel onto the system 3 Press the release button and fit the left end of the bez...

Page 63: ...n off the system including any attached peripherals 3 Disconnect the system from the electrical outlet and disconnect the peripherals Steps 1 Using a flat or a Phillips head screwdriver rotate the latch release lock counter clockwise to the unlocked position 2 Lift the latch till the system cover slides back and the tabs on the system cover disengage from the guide slots on the system 3 Hold the c...

Page 64: ...tools or extra parts are left inside the system Steps 1 Align the tabs on the system cover with the guide slots on the system 2 Push the system cover latch down The system cover slides forward the tabs on the system cover engage with the guide slots on the system and the system cover latch locks into place 3 Using a flat or Phillips head screwdriver rotate the latch release lock clockwise to the l...

Page 65: ... only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that are shipped with your product Installing and remov...

Page 66: ... 1 hard drive SSD backplane with expander board 2 cooling fan 8 3 heat sink CPU1 4 storage controller card 5 network daughter card riser 6 system board 7 heat sink CPU2 8 memory module 24 9 information tag 66 Installing and removing system components ...

Page 67: ... module 48 13 information tag Air shroud The air shroud directs the airflow across the entire system Air shroud prevents the system from overheating and is used to maintain uniform airflow inside the system Removing the air shroud Prerequisites CAUTION Never operate your system with the air shroud removed The system may get overheated quickly resulting in shutdown of the system and loss of data 1 ...

Page 68: ...tem a Remove the expansion card riser See Removing the expansion card riser b Hook the expansion card riser on the side of the system by using the bale on the expansion card riser CAUTION To avoid damage to the PCIe cables connected to the NVMe cards installed in the expansion card riser ensure that you hook the riser to the system using the bale c Hold the shroud at both ends and lift it away fro...

Page 69: ...ites 1 Follow the safety guidelines listed in Safety instructions Steps 1 To install the air shroud in a two processor configuration system a Lower the air shroud into the system until it is firmly seated When firmly seated the memory socket numbers marked on the air shroud align with the respective memory sockets on the system board Installing and removing system components 69 ...

Page 70: ...er the air shroud into the system until it is firmly seated When firmly seated the memory socket numbers marked on the air shroud align with the memory sockets on the PEM c Press the blue touch point to ensure that the air shroud is seated firmly d Unhook the expansion card riser from the side of the system e Install the expansion card riser See Installing the expansion card riser 70 Installing an...

Page 71: ...NOTE Your system supports up to eight standard or high performance hot swappable cooling fans Removing the cooling fan Prerequisites WARNING Do not drop the fan into the fan cage while removing or installing the fan as this may cause damage to the connectors on the fan tray Exercise utmost care while removing or installing cooling fans 1 Follow the safety guidelines listed in Safety instructions 2...

Page 72: ... as this may cause damage to the connectors on the fan tray Exercise utmost care while removing or installing cooling fans Steps 1 Holding the release tabs insert the cooling fan into the fan cage with the arrow marked on the fan pointing towards the back of the system 2 Lower the cooling fan until the connector on the cooling fan engages with the connector on the fan tray Lower the cooling fan to...

Page 73: ... 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system Steps 1 Slide the fan cage locks in the direction of the arrow indicated on the locks 2 Hold the cage handle and lift the cage out of the fan tray Installing and removing system components 73 ...

Page 74: ... Installing the fan cage Installing the fan cage Prerequisites 1 Follow the safety guidelines listed in Safety instructions Steps 1 Holding the cage handles lower the cage into the fan tray 2 Lower the cage handles until the handles lock into place 74 Installing and removing system components ...

Page 75: ... 4 Remove the fan cage 5 If installed remove the expansion card risers 6 If applicable lift the PEM by using the PEM handle until the PEM is in an upright position 7 Release the backplane and fan power cables from the cable clips on the fan tray and disconnect the power cables from the connectors on the system board Steps 1 Press the blue release tabs on the side of the fan tray to unlock the tray...

Page 76: ...erequisites 1 Follow the safety guidelines listed in Safety instructions Steps 1 Holding the fan tray align the slots on the fan tray with the standoffs on the system 2 Lower the fan tray into the system until the slots on the fan tray engage with the standoffs on the system 3 Push the sides of the fan tray toward the sides of the system until the release tabs click into place 76 Installing and re...

Page 77: ...5 Install the air shroud 6 Follow the procedure listed in After working inside your system Related links Installing the expansion card riser Installing the fan cage Installing the air shroud Intrusion switch The chassis intrusion detection switch detects any intrusion into the system and creates a log entry in the system event log SEL This switch is activated when the cover of your system is remov...

Page 78: ...s 1 Press the cable management bracket down until the tabs on the bracket disengage from the slots on the side of the system 2 Lift the cable management bracket out of the system 3 Remove the cables routed through the cable routing hooks on the right side of the system 4 Push the intrusion switch out of the intrusion switch slot Figure 31 Removing an intrusion switch Next steps Install an intrusio...

Page 79: ...t and insert the tabs on the bracket into the slots on the right side of the system 5 Connect the cable to the connector INTRUSION on the system board Figure 32 Installing an intrusion switch Next steps 1 Lift the sides of the fan tray until the blue release tabs click in place 2 If applicable install the PEM 3 If applicable install the expansion card risers 4 Install the air shroud 5 Install the ...

Page 80: ...or the formatting to complete Be aware that high capacity hard drives can take a long time to format Removing a hard drive blank Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 If installed remove the front bezel CAUTION To maintain proper system cooling hard drive blanks must be installed in all empty hard drive slots CAUTION Mixing hard drive blanks from previous gen...

Page 81: ...l If the hard drive is online the green activity or fault indicator flashes while the drive is turning off When the hard drive indicators are off the hard drive is ready for removal For more information see the documentation for the storage controller CAUTION Before attempting to remove or install a hard drive while the system is running see the documentation for the storage controller card to ens...

Page 82: ...s not supported CAUTION When installing a hard drive ensure that the adjacent drives are fully installed Inserting a hard drive carrier and attempting to lock its handle next to a partially installed carrier can damage the partially installed carrier s shield spring and make it unusable CAUTION To prevent data loss ensure that your operating system supports hot swap drive installation See the docu...

Page 83: ... steps If applicable install the front bezel Related links Installing the optional front bezel Removing the hard drive from the hard drive carrier Prerequisites Follow the safety guidelines listed in Safety instructions CAUTION Mixing hard drives from previous generations of PowerEdge servers is not supported Steps 1 Using Phillips 1 screwdriver remove the screws from the slide rails on the hard d...

Page 84: ...hard drives from previous generations of PowerEdge servers is not supported Steps 1 Insert the hard drive into the hard drive carrier with the connector end of the hard drive towards the back of the carrier 2 Align the screw holes on the hard drive with the screws holes on the hard drive carrier When aligned correctly the back of the hard drive is flush with the back of the hard drive carrier 3 Us...

Page 85: ... 5 inch x8 SAS SATA backplane 2 5 inch x24 SAS SATA backplane Hard drive backplane connectors Figure 39 Connectors on the 24 x 2 5 inch hard drive backplane 1 PCIe connector J_PCIE_B2 2 PCIe connector J_PCIE_A2 3 PCIe connector J_PCIE_B1 4 PCIe connector J_PCIE_A1 5 PCIe connector J_PCIE_B0 6 PCIe connector J_PCIE_A0 Installing and removing system components 85 ...

Page 86: ...Connectors on the 8 x 2 5 inch hard drive backplane 1 SAS connector J_SAS_B 2 SAS connector J_SAS_A 3 power connector J_BP_PWR 4 signal connector J_BP_SIG Removing hard drive backplane Prerequisites CAUTION To prevent damage to the drives and backplane remove the hard drives from the system before removing the backplane CAUTION Note the number of each hard drive and temporarily label them before y...

Page 87: ...tem by lowering the fan tray side wall b Loosen the retention screw that secures the expander board to the system c Press the blue release tabs on the hard drive backplane d Lift the backplane away from the system until the hooks on the system disengage from the slots on the backplane Figure 42 Removing the 2 5 inch x24 hard drive backplane 2 To remove the 2 5 inch x8 hard drive backplane a Discon...

Page 88: ... The procedure to install the backplane is similar for all backplane configurations Steps 1 To install the 2 5 inch x24 hard drive backplane a Align the hooks on the system with the slots on the hard drive backplane b Lower the backplane into the system until the hooks on the system engage with the slots on the backplane c Push the expander board bracket until the release latches on the backplane ...

Page 89: ...tall the 2 5 inch x8 hard drive backplane a Align the hooks on the system with the slots on the hard drive backplane b Lower the backplane into the system until the hooks on the system engage with the slots on the backplane Installing and removing system components 89 ...

Page 90: ...e backplane 2 Install the fan cage 3 Install the hard drives SSDs 4 If removed install the front bezel 5 Follow the procedure listed in After working inside your system Related links Installing the fan cage Installing a hard drive Installing the optional front bezel 90 Installing and removing system components ...

Page 91: ...outing Figure 46 Cable routing 8 x 2 5 inch hard drive backplane 1 8 x 2 5 inch hard drive backplane 2 backplane power cable 3 backplane signal cable 4 system board Installing and removing system components 91 ...

Page 92: ... drive backplane with PERC 1 8 x 2 5 inch hard drive backplane 2 backplane power cable 3 SAS cable 4 backplane signal cable 5 system board 6 cable management bracket 7 storage controller card slot 1 92 Installing and removing system components ...

Page 93: ...4 x 2 5 inch hard drive backplane 1 24 x 2 5 inch hard drive backplane with expander board 2 backplane power cable A 3 backplane signal cable 4 system board 5 backplane power cable B Installing and removing system components 93 ...

Page 94: ... inch hard drive backplane 4 backplane power cable A 5 backplane signal cable 6 system board 7 cable management bracket left 8 storage controller card slot 1 9 storage controller card slot 6 10 cable management bracket right 11 backplane power cable B 12 SAS cable 94 Installing and removing system components ...

Page 95: ...operating frequency can be 2667 MT s 2400 MT s or 2133 MT s depending on the following factors DIMM type RDIMM or LRDIMM System profile selected for example Performance Optimized or Custom can be run at high speed or lower Maximum supported DIMM frequency of the processors The PowerEdge R940 system without PEM contains 24 memory sockets split into two sets of 12 sockets one set per processor Each ...

Page 96: ...Figure 51 Memory socket location 96 Installing and removing system components ...

Page 97: ...C6 and C12 Proces sor 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 General memory module installation guidelines NOTE If your system s memory configurations fail to observe these guidelines your system might not boot might stop responding during memory configuration or might operate with reduced memory The system supports Flexible Memory Conf...

Page 98: ...ce Data Correction SDDC only for memory modules that use x4 device width It does not impose any specific slot population requirements Memory sparing NOTE To use memory sparing this feature must be enabled in BIOS menu of System Setup Table 39 Memory sparing Memory sparing Single Rank Memory sparing allocates one rank per channel as a spare If excessive correctable errors occur in a rank or channel...

Page 99: ...h 6 or 12 DIMMs per CPU Quad CPU Start with CPU1 CPU1 CPU2 CPU3 and CPU4 population should match Optimized Independent channel population order C1 1 C2 1 C3 1 C4 1 C1 2 C 2 2 C3 2 C4 2 Odd amount of DIMMs per CPU allowed Mirroring population order C1 1 2 3 4 5 6 C2 1 2 3 4 5 6 C3 1 2 3 4 5 6 C4 1 2 3 4 5 6 Mirroring is supported with 6 or 12 DIMMs per CPU Single rank sparing population order C1 1 ...

Page 100: ...ystem 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 Steps 1 Locate the appropriate memory module socket CAUTION Handle each memory module only by the card edges ensuring not to touch the middle of the memory module or metallic contacts CAUTION To prevent damage to th...

Page 101: ...emory modules may not be installed properly Ensure that the memory module is firmly seated in the memory module socket 5 Run the system memory test in system diagnostics Related links Installing the air shroud Processors and heat sinks The processor controls memory peripheral interfaces and other components of the system The system can have more than one processor configurations The heat sink abso...

Page 102: ...55 Removing the processor and heat sink module Next steps 1 Install the PHM Related links Removing the expansion card riser Installing a processor and heat sink module Removing the processor from the processor and heat sink module Prerequisites WARNING The heat sink may be hot to touch for some time after the system has been powered down Allow the heat sink to cool before removing it 1 Follow the ...

Page 103: ...gure 56 Loosening the processor bracket 4 Lift the bracket and the processor away from the heat sink and place the processor connector side down on the processor tray 5 Flex the outer edges of the bracket to release the processor from the bracket NOTE Ensure that the processor and the bracket are placed in the tray after you remove the heat sink Figure 57 Removing the processor bracket Next steps ...

Page 104: ... with the pin 1 indicator on the processor before placing the bracket on the processor NOTE Ensure that the processor and the bracket are placed in the tray before you install the heat sink Figure 58 Installing the processor bracket 3 If you are using an existing heat sink remove the thermal grease from the heat sink by using a clean lint free cloth 4 Use the thermal grease syringe included with y...

Page 105: ...et locks onto the heat sink NOTE Ensure that the two guide pin holes on the bracket match the guide holes on the heat sink Ensure that the pin 1 indicator on the heat sink is aligned with the pin 1 indicator on the bracket before placing the heat sink onto the processor and bracket Installing and removing system components 105 ...

Page 106: ...ever remove the heat sink from a processor unless you intend to replace the processor The heat sink is necessary to maintain proper thermal conditions WARNING The heat sink may be hot to touch for some time after the system has been powered down Allow the heat sink to cool before removing it 1 Follow the safety guidelines listed in Safety instructions 2 If installed remove the processor DIMM blank...

Page 107: ...place 3 Using the Torx T30 screwdriver tighten one screw at a time NOTE Ensure that the screw is tightened completely before moving onto the next screw NOTE The processor and heat sink module retention screws should not be tightened to more than 0 13 kgf m 1 35 N m or 12 in lbf Figure 61 Installing the processor and heat sink module Next steps 1 If applicable lower the PEM until it firmly seats in...

Page 108: ...s 2 Follow the procedure listed in Before working inside your system 3 Remove the expansion card risers 4 Remove the air shroud Steps 1 Lift the PEM using the handle until the PEM is in an upright position 2 Press the release latch on the cable and disconnect the cables connected to the connectors on the PEM Figure 62 Removing the PEM 3 Press the release latch on the side of the chassis and lift t...

Page 109: ...hroud Installing the PEM Installing the PEM Prerequisites 1 Follow the safety guidelines listed in Safety instructions Steps 1 Hold the PEM using the handle and align the slots on the sides of the PEM with the standoffs on the sides of the system 2 Lower the PEM until it clicks into place Installing and removing system components 109 ...

Page 110: ...Figure 64 Installing the PEM 3 Re connect the cables to the PEM For information about cable routing see the section UPI cable routing 110 Installing and removing system components ...

Page 111: ...re listed in After working inside your system Related links Installing the expansion card riser Installing the air shroud UPI cable routing If you upgrade your system from two processor configuration to four processor you must use UPI cables to connect the PEM to the system board This image shows the PEM cable routing for a four processor system Installing and removing system components 111 ...

Page 112: ...ng RM_UPI_A connectors on system board and PEM 5 UPI cable connecting RM_UPI_B connectors on system board and PEM 6 cable connecting the J_PEM_CLK connectors on system board and PEM 7 UPI cable connecting RM_UPI_D connectors on system board and PEM This image shows the cable routing for a two processor system 112 Installing and removing system components ...

Page 113: ...M_PWR_L connectors available on the system board For more information on the location of these connectors see the jumpers and connectors section Removing the PEM power board Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Remove the air shroud 4 Lift the PEM by using the PEM handle until the PEM is in a...

Page 114: ...wer board Prerequisites 1 Follow the safety guidelines listed in Safety instructions Steps 1 Hold the PEM power board by its edges position the power board so that the power board connector aligns with the connector on the system board 2 Insert the power board into the connector on the system board until the power board is fully seated 114 Installing and removing system components ...

Page 115: ...can be inserted into an expansion slot on the system board or riser card to add enhanced functionality to the system through the expansion bus NOTE A System Event Log SEL event is logged if an expansion card riser is not supported or missing It does not prevent your system from turning on However if F1 F2 pause occurs and an error message is displayed Expansion card installation guidelines Dependi...

Page 116: ...ld be installed first using the slot priority indicated Table 42 Expansion card installation order Two processor configuration Card Type Slot priority Maximum number of cards Internal storage adapter 1 6 2 PERC H330 1 1 PCIe extender card 7 4 2 3 PCIe card Mellanox 4 3 2 7 3 100 GB NIC Mellanox 4 3 2 7 3 100 G OPA Intel 2 3 4 7 4 External adapter 12 Gbps HBA H840 H830 5 1 6 2 4 3 7 2 NVMe PCIe sto...

Page 117: ...12 3 7 10 13 13 40Gb NIC x8 Mellanox 11 8 3 4 12 9 2 10 13 7 6 1 5 8 FC32 HBA Emulex and QLogic 5 1 6 8 11 2 4 9 12 3 7 10 13 13 FC32 HBA x8 Emulex and QLogic 5 1 6 8 11 2 4 9 12 3 7 10 13 13 25 GB NIC Broadcom 5 1 6 8 11 2 4 9 12 3 7 10 13 13 25 GB NIC Mellanox 11 8 3 4 12 9 2 10 13 7 6 1 5 8 25 GB NIC x8 QLogic 5 1 6 8 11 2 4 9 12 3 7 10 13 13 FC16 HBA Emulex and QLogic 5 1 6 8 11 2 4 9 12 3 7 1...

Page 118: ...tion to four processor ensure that you remove the riser blanks from the system Figure 70 Removing expansion card riser blank Next steps Install the expansion card riser blank Related links Installing expansion card riser blank Installing expansion card riser blank Prerequisites Follow the safety guidelines listed in Safety instructions Steps Lower the expansion card riser blank into the system unt...

Page 119: ...he safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside your system 3 Disconnect any cables connected to the expansion card Steps 1 Lift the release lever until the connector on the riser disconnects from the connector on the processor expansion module PEM 2 Lift the riser away from the system Installing and removing system components 119 ...

Page 120: ...Figure 72 Removing expansion card riser right Figure 73 Removing expansion card riser left 120 Installing and removing system components ...

Page 121: ... the riser with the slot on the side of the chassis and lower the riser into the system 2 Lower the release lever until the connector on the riser connects with the connector on the processor expansion module PEM CAUTION To avoid damage to the connectors on the PEM you must only use the release levers to seat the expansion card risers firmly on the PEM Figure 74 Installing expansion card riser rig...

Page 122: ...your system 3 Disconnect the cables from the expansion card 4 Remove the expansion card riser Steps 1 Press the tab on the expansion card riser and slide the PCIe retention bracket up NOTE This step is applicable only if you are removing the expansion cards from the slots 12 and 13 of Riser 3 IO_RISER3 and slots 9 and 10 of Riser 2 IO_RISER2 2 Lift the PCIe card latch 3 Hold the expansion card by ...

Page 123: ...ion 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 Related links Removing the expansion card riser Installing expansion card into expansion card riser Installing expansion card into expansion card riser Prerequisites 1 Follow the safety guidelines listed in Safety instructions 2 If installing a new expa...

Page 124: ...nector on the card into the connector on the riser until the card is fully seated 4 Slide the PCIe retention bracket down to hold the card in place NOTE This step is applicable only if you are installing the expansion cards in the slots 12 and 13 of Riser 3 IO_RISER3 and slots 9 and 10 of Riser 2 IO_RISER2 5 Close the PCIe card latch Figure 77 Installing expansion card into expansion card riser Ne...

Page 125: ...procedure listed in Before working inside your system 3 Disconnect the cables connected to the Network Daughter Card NDC riser Steps 1 Slide the riser retention bracket to unlock the NDC riser 2 Hold the NDC riser by its edges and pull the NDC riser until the card edge connector disengages from the connector on the system board 3 Lift the NDC riser from the system Figure 78 Removing the NDC riser ...

Page 126: ...r on the NDC riser with the connector on the system board 2 Insert the NDC riser until the card is fully seated 3 Close the riser retention bracket and slide the bracket to lock the NDC riser Figure 79 Install the NDC riser Next steps 1 Connect the cables to the NDC riser 2 Follow the procedure listed in After working inside your system 126 Installing and removing system components ...

Page 127: ...the Network Daughter Card NDC riser Steps 1 Using a Phillips 2 screwdriver loosen the captive screws that secure the NDC to the NDC riser 2 Hold the NDC by the edges on either side of the touch points and lift to remove it from the connector on the NDC riser 3 Slide the NDC away from the NDC riser bracket until the Ethernet connectors are clear of the slot in the NDC riser Figure 80 Removing the N...

Page 128: ...he NDC to the NDC riser Figure 81 Installing the NDC Next steps 1 Install the NDC riser 2 Follow the procedure listed in After working inside your system Related links Installing the NDC riser Storage controller card The storage controller card is installed on the expansion card slot on the system board which provides the integrated storage subsystem for your system s internal hard drives The cont...

Page 129: ... unlock the storage controller card 2 Hold the storage controller card by its edges and lift to remove it from the connector on the system board 3 Press the release tab on the SAS cable connector to disconnect the cable from the storage controller card Figure 82 Removing the storage controller card Next steps 1 Install the storage controller card Related links Removing the NDC riser Installing the...

Page 130: ...he system board 3 Lower the card into the system until the card is firmly seated 4 Route the SAS cable through the channel on the inner side of the chassis 5 Connect the SAS cables from the storage controller card to the connectors on hard drive backplane For more information about cabling images see the Cable routing 6 Close the riser retention bracket and slide the bracket to lock the storage co...

Page 131: ...elines listed in Safety instructions NOTE To use an SD card with your system ensure that the Internal SD Card Port is enabled in System Setup NOTE Re install the micro SD cards into the same slots based on the labels you had marked on the cards during removal Steps 1 Locate the SD card connector on the internal dual SD module Orient the SD card appropriately and insert the contact pin end of the c...

Page 132: ...ard Next steps Install the optional IDSDM vFlash card Related links Installing the optional IDSDM vFlash card Installing the optional IDSDM vFlash card Prerequisites Follow the safety guidelines listed in Safety instructions Steps 1 Locate the IDSDM vFlash connector on the system board To locate IDSDM vFlash see the System board jumpers and connectors section 2 Align IDSDM vFlash card with the con...

Page 133: ...00 W 1600 W or 1100 W AC power supply units PSUs Two 1100 W DC PSUs Two 1100 W Mixed Mode HVDC PSUs NOTE The PowerEdge R940 system supports hot swappable PSUs For more information see the Technical specifications section 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 PowerEdg...

Page 134: ...f having both PSUs active is more efficient than having one PSU in the sleep state the active PSU can also activate the sleeping PSU The default PSU settings are as follows If the load on the active PSU is more than 50 percent of PSU rated power wattage then the redundant PSU is switched to the active state If the load on the active PSU falls below 20 percent of PSU rated power wattage then the re...

Page 135: ...U 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 Unlatch and lift the optional cable management arm if it interfere...

Page 136: ...s 1 Follow the safety guidelines listed in Safety instructions 2 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 Slide the PSU into the system until the PSU is fully seated and the release latch snaps into place 136 Installing and removing syste...

Page 137: ...y units PSUs a qualified electrician must perform all connections to DC power and to safety grounds Do not attempt connecting to DC power or installing grounds yourself All electrical wiring must comply with applicable local or national codes and practices 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 t...

Page 138: ...ellow wire exposing approximately 4 5 mm 0 175 inch of copper wire 2 Using a hand crimping tool Tyco Electronics 58433 3 or equivalent crimp the ring tongue terminal Jeeson Terminals Inc R5 4SA or equivalent to the green and yellow wire safety ground wire 3 Connect the safety ground wire to the grounding post on the back of the system by using a 6 32 nut equipped with a locking washer Assembling D...

Page 139: ...ith 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 air shroud 4 If applicable disconnect the power or data cables from expansion card s 5 If applicable remove the expansion card risers 6 If applicable remove the PEM Steps 1 Locate the battery socket For more information see the System board ju...

Page 140: ...oot device security key or mass storage device To boot from the USB memory key configure 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 and can be used as a boot device security key or mass storage device The internal USB port is on the system board NOTE To locate...

Page 141: ...odule from the system board Once the TPM plug in module is installed it is cryptographically bound to that specific system board Any attempt to remove an installed TPM plug in module breaks the cryptographic binding and it cannot be re installed or installed on another system board 1 Follow the safety guidelines listed in Safety instructions 2 Follow the procedure listed in Before working inside y...

Page 142: ... the system board Prerequisites Follow the safety guidelines listed in Safety instructions Steps 1 Unpack the replacement system board assembly CAUTION Do not lift the system board by holding a memory module processor or other components 2 Holding the system board handle and blue release pin lower the system board into the system 3 Align the connectors on the system board with the slots on the bac...

Page 143: ...odule PEM f Expansion card risers g Processor and heat sink module h Processor and DIMM blank i Memory modules and memory module blanks j Network daughter card k Fan cage with cooling fans l Air shroud m Power supply unit s 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 Follow...

Page 144: ...ice Tag field is empty Ensure that you enter the correct Service Tag After the Service Tag is entered it cannot be updated or changed 5 Click Ok 6 Import your new or existing iDRAC Enterprise license For more information see the Integrated Dell Remote Access Controller User s Guide at Dell com idracmanuals Restoring the Service Tag by using the Easy Restore feature By using the Easy Restore featur...

Page 145: ...t mode Steps 1 Locate the TPM connector on the system board NOTE To locate the TPM connector on the system board see the System board jumpers and connectors section 2 Press to hold the module down and remove the screw using the security Torx 8 bit shipped with the TPM module 3 Slide the TPM module out from its connector 4 Push the plastic rivet away from the TPM connector and rotate it 90 counterc...

Page 146: ...m 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 Algorithm Selection option select SHA256 then go back to Sys...

Page 147: ...hed or crimped 6 Press the blue release tabs on the fan tray and lower the sides of the tray Steps 1 Press the cable management bracket until the tabs on the bracket disengage from the slots on the right side of the system 2 Lift the cable management bracket from the system 3 Holding the pull tab disconnect the control panel cable from the system board 4 Using Phillips 1 screwdriver remove the scr...

Page 148: ...the side of the system 2 Lower the cable management bracket into the system 3 Press the bracket and insert the tabs on the bracket into the slots on the right side of the system 4 Align the control panel with the control panel slot on the system and attach the control panel to the system 5 Connect the control panel cable connector on the system board 6 Using Phillips 1 screwdriver install the scre...

Page 149: ... 3 Remove the fan cage 4 Remove the air shroud 5 If applicable remove the expansion card risers and PEM NOTE Ensure that you note the routing of the cables as you remove them from the system You must route the cables properly when you replace them to prevent the cables from being pinched or crimped 6 Press the blue release tabs on the fan tray and lower the sides of the tray Steps 1 Holding the pu...

Page 150: ...Prerequisites Follow the safety guidelines listed in Safety instructions Steps 1 Route the control panel cable through the side wall of the system 2 Align the control panel with the control panel slot on the system and attach the control panel to the system 3 Connect the control panel cable connector on the system board 4 Using Phillips 1 screwdriver install the screws that secure the control pane...

Page 151: ... release tabs click in place 2 If applicable install the expansion card risers and PEM 3 Install the air shroud 4 Install the fan cage Related links Installing the PEM Installing the expansion card riser Installing the air shroud Installing the fan cage Installing and removing system components 151 ...

Page 152: ...he failed device s View status messages that inform you if tests are completed successfully View error messages that inform you of problems encountered during testing Running the Embedded System Diagnostics from Boot Manager Run the Embedded System Diagnostics ePSA if your system does not boot 1 When the system is booting press F11 2 Use the up arrow and down arrow keys to select System Utilities ...

Page 153: ...etected devices Results Displays the results of all tests that are run System health Provides the current overview of the system performance Event log Displays a time stamped log of the results of all tests run on the system This is displayed if at least one event description is recorded Using system diagnostics 153 ...

Page 154: ...escribes 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 jumpers and connectors System board jumper settings Disabling forgotten password 8 154 Jumpers and connectors ...

Page 155: ...nector Description 1 J_PEM_PWR_R Right PEM power board connector 2 B7 B1 B8 B2 B9 B3 Memory module sockets 3 FAN_MOD2 Fan module cable connector 4 B6 B12 B5 B11 B4 B10 Memory module sockets 5 A7 A1 A8 A2 A9 A3 Memory module sockets 6 J_BP_P1 Backplane 1 power connector 7 J_BP_SIG1 Backplane 1 signal connector Jumpers and connectors 155 ...

Page 156: ...t 1 20 IO_RISER1 Network daughter card riser connector 21 SLOT2 PCIE_G3_X16 CPU1 PCIe slot 2 22 SLOT3 PCIE_G3_X16 CPU1 PCIe slot 3 23 SLOT4 PCIE_G3_X16 CPU2 PCIe slot 4 24 SLOT5 PCIE_G3_X8 CPU2 PCIe slot 5 25 SLOT6 PCIE_G3_X8 CPU2 PCIe slot 6 26 SLOT7 PCIE_G3_X16 CPU2 PCIe slot 7 27 PCIE_PWR2 PCIe power connector 2 28 J_TPM Trusted Platform Module TPM connector 29 BATTERY System board battery conn...

Page 157: ...2 D5 D11 D4 D10 Memory module sockets 3 C7 C1 C8 C2 C9 C3 Memory module sockets 4 C6 C12 C5 C11 C4 C10 Memory module sockets 5 CPU3 CPU3 processor heat sink module socket 6 IO_RISER2 Riser 2 connector 7 J_IORL_PWR Left expansion card riser power connector 8 RM_UPI_C UPI cable connector C 9 RM_UPI_B UPI cable connector B 10 J_PEM_CLK PEM clock connector Jumpers and connectors 157 ...

Page 158: ... by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that are shipped with your product Steps 1 Turn off the system inclu...

Page 159: ...per from pins 4 and 6 to pins 2 and 4 9 Install the system cover 10 Reconnect the system to its electrical outlet and turn on the system including any attached peripherals 11 Assign a new system and or setup password Jumpers and connectors 159 ...

Page 160: ...he various support categories is displayed 4 For general support a Select your product category b Select your product segment c Select your product 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 De...

Page 161: ...alling and setting up a SupportAssist application in your IT environment you can receive the following benefits Automated issue detection SupportAssist monitors your Dell devices and automatically detects hardware issues both proactively and predictively Automated case creation When an issue is detected SupportAssist automatically opens a support case with Dell Technical Support Automated diagnost...

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Summary of Contents for EMC PowerEdge R940

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Dell EMC PowerEdge R940, Installation And Service Manual, Page: 25 / 161

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Summary of Contents for EMC PowerEdge R940

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