Dell Powerflex R750 - Repair Manual

Table 4. Right control panel (continued) Ite m Indicator or button Icon Description length should not exceed 3 feet (0.91 meters). Performance could beaffected by cable quality. 4 VGA port Enables you to connect a display device to the system. NOTE: For more information, see the Dell EMC PowerEdge R...

Inside the system Figure 11. Inside the system 1. Handle 2. BOSS S2 module bay 3. Riser 1 4. Power supply unit (PSU 1) 5. Riser 2 cage 6. System board 7. Air shroud 8. Cooling fan 9. Drive backplane cover 10. Service tag 11. Cooling fan cage assembly 12. Power supply unit (PSU 2) 13. Riser 3 14. Ris...

Figure 13. Inside the system with liquid cooling module 1. Handle 2. Power supply unit (PSU 1) 3. Riser 2 4. System board 5. Memory DIMM sockets 6. Liquid cooling module 7. Cooling fan 8. Drive backplane 9. Service tag 10. Cooling fan cage assembly 11. Power supply unit (PSU 2) 12. Intrusion switch ...

The information tag is located on the front of the system that includes system information such as the Service Tag, ExpressService Code, Manufacture date, NIC, MAC address, QRL label, and so on. If you have opted for the secure default accessto iDRAC, the Information tag also contains the iDRAC secu...

Rail sizing and rack compatibility matrix For specific information about the rail solutions compatible with your system, see the Dell EMC Enterprise Systems Rail Sizing and Rack Compatibility Matrix available at https://i.dell.com/sites/csdocuments/Business_solutions_engineering- Docs_Documents/en/r...

Initial system setup and configuration This section describes the tasks for initial setup and configuration of the Dell EMC system. The section also provides generalsteps to set up the system and the reference guides for detailed information. Topics: • Setting up the system • iDRAC configuration • R...

Table 8. Interfaces to set up iDRAC IP address (continued) Interface Documentation links NOTE: To determine the most recent iDRAC release for your platform and for latest documentation version,see KB article https://www.dell.com/support/article/ sln308699 . OpenManage Deployment Toolkit Dell EMC Ope...

NOTE: Ensure that you change the default username and password after setting up the iDRAC IP address. For more information about logging in to the iDRAC and iDRAC licenses, see the latest Integrated Dell Remote Access Controller User's Guide at www.dell.com/idracmanuals . NOTE: To determine the most...

Table 10. Options to download firmware (continued) Option Documentation link Using Dell OpenManage Deployment Toolkit (DTK) www.dell.com/openmanagemanuals > OpenManage Deployment Toolkit Using iDRAC virtual media www.dell.com/idracmanuals Options to download and install OS drivers You can choose ...

Minimum to POST and system management configuration validation This section describes the minimum to POST system requirement and system management configuration validation of the DellEMC system. Topics: • Minimum configuration to POST • Configuration validation Minimum configuration to POST The comp...

Table 12. Configuration validation error (continued) Error Description Possible cause and recommendations Example missing element (cable,risers, etc). Comm Error A configuration element is not respondingto iDRAC using the management interfacewhile running an inventory check. System managementsideban...

Installing and removing system components Topics: • Safety instructions • Before working inside your system • After working inside your system • Recommended tools • Cable routing • M.2 SSD module • Optional front bezel • System cover • Drive backplane cover • Air shroud • Cooling fans • Side wall br...

CAUTION: Many repairs may 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 ortelephone service and support team. Damage due to servicing that is not authorized by Dell ...

● Phillips 2 screwdriver ● Torx T30 screwdriver ● 5 mm hex nut screwdriver ● Plastic scribe ● 1/4-inch flat blade screwdriver ● Wrist grounding strap connected to the ground ● ESD mat ● Needle-nose pliers You need the following tools to assemble the cables for a DC power supply unit: ● AMP 90871-1 h...

Figure 51. 24 x 2.5-inch NVMe switch with 2 front PERC Table 41. 24 x 2.5-inch NVMe switch with 2 front PERC From To SIG_PWR_1 (system board power connector) BP_PWR_1 (backplane power connector) CTRL_SRC_PA1 (fPERC controller connector) DST_PA2 (backplane switch signal connector) CTRL_SRC_PB1 (fPERC...

Figure 52. Removing the M.2 SSD module a. module connector (2)b. screws (2)c. module (2) Next steps Installing the M.2 SSD module . Installing the M.2 SSD module Prerequisites 1. Follow the safety guidelines listed in Safety instructions . Steps 1. Align the M.2 SSD module connectors with the connec...

Figure 53. Installing the M.2 SSD module a. module connector (2)b. screws (2)c. modules (2) Next steps 1. Install the BOSS card. NOTE: Installing the BOSS card is similar to installing the expansion card riser. 2. Install the air shroud.3. Follow the procedure listed in After working inside your sys...

Figure 54. Removing the front bezel with the LCD panel Next steps Replace front bezel . Installing the front bezel The procedure to install the front bezel with and without the LCD panel is the same. Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Locate and remo...

Figure 55. Installing the front bezel with the LCD panel System cover Removing the system cover Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Power off the system, and any attached peripherals.3. Disconnect the system from the electrical outlet and peripherals....

Figure 56. Removing the system cover Next steps 1. Replace the system cover . Installing the system cover Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. Ensure that all internal cables are con...

Figure 57. Installing the system cover Next steps 1. Follow the procedure listed in After working inside your system . Drive backplane cover Removing the drive backplane cover Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before w...

Figure 58. Removing the drive backplane cover Next steps 1. Replace the drive backplane cover . Installing the drive backplane cover Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . Steps 1. Align ...

Air shroud 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. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure li...

2. Lower the air shroud into the system until it is firmly seated. Figure 61. Installing the air shroud Next steps 1. Follow the procedure listed in After working inside your system . Removing the GPU air shroud Prerequisites CAUTION: Never operate your system with the air shroud removed. The system...

Figure 62. Removing the GPU air shroud Next steps 1. Replace the GPU air shroud . Installing the GPU air shroud Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. Remove the full length expansion ...

Figure 63. Installing the GPU air shroud Next steps 1. Follow the procedure listed in After working inside your system . 2. Install the full length expansion risers . Removing the GPU air shroud top cover Prerequisites CAUTION: Never operate your system with the air shroud removed. The system may ge...

Figure 64. Removing the GPU air shroud top cover Next steps 1. Replace the GPU air shroud top cover . Installing the GPU air shroud top cover Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . Steps ...

Figure 65. Installing the GPU air shroud top cover Next steps 1. Follow the procedure listed in After working inside your system . Removing the GPU air shroud filler Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working ins...

Figure 66. Removing the GPU shroud filler Next steps 1. Replace the GPU air shroud filler . Installing the GPU air shroud filler Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. Remove the GPU a...

Figure 67. Installing the GPU shroud filler Next steps 1. If required, install the full length expansion card risers . 2. Installing the GPU air shroud top cover . 3. Follow the procedure listed in After working inside your system . Removing the rear drive module air shroud Prerequisites CAUTION: Ne...

Figure 68. Removing the rear drive module air shroud Next steps 1. Replace the rear drive module air shroud . Installing the rear drive module air shroud Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your sys...

Next steps 1. Follow the procedure listed in After working inside your system . Cooling fans Removing the cooling fan cage assembly Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. If instal...

Steps 1. Holding the blue release lever of the cooling fan cage, align the guide rails with the guides on the system.2. Lower the cooling fan cage assembly into the system until seated firmly.3. Lower the blue release lever and press to lock the cooling fan cage assembly into the system. Figure 71. ...

Figure 72. Removing a cooling fan Next steps 1. Replace a cooling fan . Installing a cooling fan Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . NOTE: The procedure to install standard (STD), high...

Figure 73. Installing a cooling fan Next steps 1. Follow the procedure listed in After working inside your system . Removing a rear drive module cooling fan Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your ...

Figure 74. Removing a rear drive module cooling fan Next steps 1. Replace a rear drive module cooling fan . Installing a rear drive module cooling fan Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system...

Next steps 1. Install the rear drive module air shroud . 2. Follow the procedure listed in After working inside your system . Side wall brackets Removing the side wall bracket There are two side wall brackets on either side of the system. The procedure to remove is similar. Prerequisites 1. Follow t...

Next steps 1. Replace the side wall bracket . Installing the side wall bracket There are two side wall brackets on either side of the system. The procedure to install is similar. Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the B...

4. Follow the procedure listed in the After working inside your system . Drives Removing a drive blank Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. If installed, remove the front bezel . CAUTION: To maintain proper system cooling, drive blanks must be installe...

Figure 79. Installing a drive blank Next steps 1. If removed, install the front bezel . Removing the drive carrier Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. If installed, remove the front bezel . 3. Using the management software, prepare the drive for remov...

Figure 80. Removing a drive carrier Next steps 1. Replace a drive carrier or drive blank . Installing the drive carrier Prerequisites CAUTION: Before removing or installing a drive while the system is running, see the documentation for the storage controller card to ensure that the host adapter is c...

Figure 81. Installing a drive carrier Next steps If removed, install the front bezel . Removing the drive from the drive carrier Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Remove the drive carrier . Steps 1. Using a Phillips #1 screwdriver, remove the screws...

Figure 82. Removing the drive from the drive carrier Next steps Install the drive into the drive carrier . Installing the drive into the drive carrier Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Remove the drive blank . Steps 1. Insert the drive into the driv...

Figure 83. Installing a drive into the drive carrier Next steps 1. Install the drive carrier . Rear drive module Removing the 4 x 2.5-inch rear drive module Prerequisites 1. Follow the safety guidelines listed in Safety instructions . 2. Follow the procedure listed in Before working inside your syst...

Installing the 4 x 2.5-inch rear drive module Prerequisites 1. Follow the safety guidelines listed in Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. If required, remove the air shroud . 4. Remove the drives . 5. If installed, remove the BOSS S2 module ...

2. Follow the procedure listed in Before working inside your system . 3. If required, remove the air shroud . 4. Remove the drives . 5. Disconnect the cables from the rear drive module. NOTE: Refer cable routing topic for more information. Steps 1. Using a Phillips #2 screwdriver, loosen the captive...

Figure 87. Installing the 2 x 2.5-inch rear drive module Next steps 1. Connect all the cables to the rear drive module.2. Install the drives . 3. If removed, install the air shroud . 4. Follow the procedure listed in After working inside your system . Drive backplane This is a service technician rep...

Figure 91. 24 x 2.5-inch drive backplane 1. DST_SA1 2. SRC_SA1 3. DST_SB1 4. BP_PWR_1 5. BP_DST_PA1 (PCIe/NVMe connector) 6. BP_PWR_2 7. BP_ DST_PB1 (PCIe/NVMe connector) 8. BP_PWR_CTRL 9. BP_ DST_PA2 (PCIe/NVMe connector) 10. BP_ DST_PB2 (PCIe/NVMe connector) Figure 92. 24 x 2.5-inch NVMe switched ...

CAUTION: Note the number of each drive and temporarily label them before you remove the drive so that you can reinstall them in the same location. NOTE: The procedure to remove the backplane is similar for all backplane configurations. 1. Follow the safety guidelines listed in the Safety instruction...

6. Remove the cooling fan cage assembly . NOTE: To avoid damaging the backplane, ensure to move the control panel cables from the cable routing clips before removing the backplane. NOTE: Route the cable properly when you replace it to prevent the cable from being pinched or crimped. Steps 1. Align t...

4. If installed, remove the air shroud or remove the GPU air shroud . 5. If required, remove the drive backplane . 6. Disconnect all the cables, observe the cable routing. Steps 1. Using a Phillips #2 screwdriver, loosen the captive screws on the rear mounting front PERC module.2. Slide the rear mou...

Figure 97. Installing the rear mounting front PERC module Next steps 1. If removed, install the drive backplane . 2. If installed, remove the air shroud or remove the GPU air shroud . 3. Install the drive backplane cover . 4. Follow the procedure listed in After working inside your system . Removing...

Installing the adapter PERC module Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. Remove the expansion card riser . 4. If installing a new APERC module, unpack it and prepare the module for in...

Figure 101. Installing the APERC module Next steps 1. Connect the cables to the APERC module.2. Install the expansion card riser . 3. Follow the procedure listed in After working inside your system . System memory System memory guidelines The PowerEdge R750 system supports DDR4 registered DIMMs (RDI...

General memory module installation guidelines To ensure optimal performance of your system, observe the following general guidelines when configuring your system memory.If your system's memory configurations fail to observe these guidelines, your system might not boot, stop responding duringmemory c...

Table 58. Intel Persistent Memory 200 series (BPS) Configuration 6 - 12 x LRDIMMs, 2 x Intel PersistentMemory 200 series (BPS) per processor Total No of LRDIMMs Total No of Intel Persistent Memory 200 series (BPS) DIMMs 1 LRDIMM capacity (GB) 1 Intel Persistent Memory 200 series (BPS) capacity (GB) ...

Installing a memory module Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. Remove the air shroud or remove the GPU air shroud . Steps 1. Locate the appropriate memory module socket. CAUTION...

3. 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 Settings screen, the System Memory Size must reflect the updated capacity of the installed memory. 4. If the System Memory Size is inco...

Figure 106. Removing a heat sink Next steps If you are removing a faulty heat sink, replace the heat sink , if not, remove the processor . Removing the processor Prerequisites WARNING: Remove the processor from processor and heat sink module (PHM) only if you are replacing the processor or heat sink...

Installing the processor Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. Remove the air shroud or remove the GPU air shroud . 4. Remove the processor heat sink module or remove the liquid cooli...

NOTE: ● Ensure latching features on retaining clip and heat sink are aligned during assembly. ● Ensure that the pin 1 indicator on the heat sink is aligned with the pin 1 indicator on the retaining clip before placingthe heat sink onto the retaining clip. Figure 113. Installing the heat sink onto th...

Figure 115. Set the anti-tilt wires to the locked position and tightening the nuts Next steps 1. Install the air shroud or install the GPU air shroud . 2. Follow the procedure listed in the After working inside your system . Removing the liquid cooling module Prerequisites 1. Follow the safety guide...

NOTE: Ensure the anti-tilt wires on the liquid cooling module are in locked position when loosening the captive screws. 7. Set the anti-tilt wires on the liquid cooling module to the unlock position and lift the liquid module from the system. NOTE: The numbers on the image do not depict the exact st...

2. Install the air shroud or install the GPU air shroud . 3. Follow the procedure listed in the After working inside your system . Expansion cards and expansion card risers NOTE: When an expansion card is not supported or missing, riser the iDRAC and Lifecycle Controller logs an event. This does not...

Table 73. Configuration 9: R2A (continued) Card type Slot priority Maximum number of cards Mellanox (OCP: 25Gb) Intergrated slot 1 SolarFlare (OCP: 25Gb) Intergrated slot 1 Broadcom (OCP: 25Gb) Intergrated slot 1 QLogic (OCP: 25Gb) Intergrated slot 1 Intel (OCP: 25Gb) Intergrated slot 1 Broadcom (OC...

Figure 138. Installing the Riser 4 blank Next steps 1. Replace the expansion card riser . Installing the expansion card risers Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. If removed, instal...

Removing expansion card from the expansion card riser Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. If applicable, disconnect the cables from the expansion card.4. Remove the expansion ca...

Figure 148. Installing the filler bracket Next steps 1. If applicable, install an expansion card into the expansion card riser . Installing an expansion card into the expansion card riser Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed...

Next steps 1. If applicable, connect the cables to the expansion card.2. Install the expansion card risers . 3. Follow the procedure listed in After working inside your system . 4. Install any device drivers required for the card as described in the documentation for the card. Removing the full leng...

Figure 154. Installing the Riser 1 blank Figure 155. Installing the Riser 4 blank Next steps 1. Replace the full length expansion card riser . Installing the full length expansion card risers Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure li...

Next steps 1. If applicable, connect the cables to the expansion card or system board.2. If required, install the GPU air shroud filler . 3. Install the GPU air shroud top cover . 4. Follow the procedure listed in After working inside your system . 5. Install any device drivers required for the card...

Figure 162. Installing the metal filler bracket Next steps 1. Replace the GPU . Installing a GPU Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. If installing a new expansion card, unpack it an...

Figure 165. Installing GPU on Riser 4 Next steps 1. If removed, install the GPU air shroud . 2. Install the full length expansion card riser . 3. Install the GPU air shroud filler . 4. Install the GPU air shroud top cover . 5. Follow the procedure listed in After working inside your system . 6. Inst...

Figure 166. Removing the R1 paddle card Figure 167. Removing the R3 paddle card Next steps 1. Replace the paddle cards . Installing R1 and R3 paddle cards R1 and R3 paddle cards are supported on 16 x 2.5-inch NVMe direct-attach configuration only. Prerequisites 1. Follow the safety guidelines listed...

Optional serial COM port This is a service technician replaceable part only. Removing the serial COM port The procedure to remove serial COM port from Riser 3 or 4 is same. Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before ...

Figure 171. Removing the Serial COM port 5. Install the filler bracket if not replacing the serial COM port. Next steps 1. Replace the serial COM port . Installing the serial COM port The procedure to install serial COM port from Riser 3 or 4 is same. Prerequisites 1. Follow the safety guidelines li...

Optional VGA port for liquid cooling module Removing the VGA port The procedure to remove VGA port from Riser 3 or 4 is same. Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. Remove the air ...

Figure 175. Removing the VGA port 5. Install the filler bracket if not replacing the VGA port. Next steps 1. Replace the VGA port . Installing the VGA port The procedure to install VGA port from Riser 3 or 4 is same. Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2...

Next steps 1. Install the air shroud or install the GPU air shroud . 2. Follow the procedure listed in After working inside your system . Optional IDSDM module Removing the IDSDM module Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed i...

Steps 1. Locate the IDSDM connector on the system board. NOTE: For information on the exact location of IDSDM on system board, see System board jumpers and connector section. 2. Align IDSDM module with the connector on the system board.3. Press the IDSDM module until firmly seated on the system boar...

Figure 180. Removing the MicroSD card Next steps 1. Replace the MicroSD cards . Installing the MicroSD card Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in Before working inside your system . NOTE: To use an MicroSD card with your s...

Figure 181. Installing the MicroSD card Next steps 1. Install the IDSDM module . 2. Follow the procedure listed in After working inside your system . Optional BOSS S2 module Removing the BOSS S2 module blank Prerequisites Follow the safety guidelines listed in the Safety instructions . Steps Use a s...

Figure 182. Removing the BOSS S2 module blank Next steps 1. Replace the BOSS S2 module blank or install BOSS S2 card module . Installing the BOSS S2 module blank Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . Steps Align the blank with the BOSS S2 module bay and pu...

Figure 183. Installing the BOSS S2 module blank Removing the BOSS S2 card carrier blank Prerequisites Follow the safety guidelines listed in the Safety instructions . Steps Press and pull the BOSS S2 card carrier blank out from the BOSS S2 module. Figure 184. Removing the BOSS S2 card carrier blank ...

Next steps 1. Replace the BOSS S2 card carrier blank or install BOSS S2 card carrier . Installing the BOSS S2 card carrier blank Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . Steps Align the blank with the BOSS S2 module bay and push it into the bay until it click...

Installing the BOSS S2 module The procedure to install is the BOSS S2 module with 4 x 2.5-inch rear drive module is same. Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. If installed, remov...

Figure 193. Installing the BOSS S2 card carrier Next steps 1. Follow the procedure listed in the After working inside your system . System battery This is a service technician replaceable part only. Replacing the system battery Prerequisites WARNING: There is a danger of a new battery exploding if i...

b. Enter the correct time and date in the System Setup Time and Date fields. c. Exit the System Setup. d. To test the newly installed battery, remove the system from the enclosure for at least an hour.e. Reinstall the system into the enclosure after an hour.f. Enter the System Setup and if the time ...

2. Follow the procedure listed in Before working inside your system . 3. Remove the expansion card risers . Steps 1. Connect the USB key to the internal USB card. NOTE: For information on the exact location of USB on system board, see System board jumpers and connectors section 2. Align the internal...

2. Using a Phillips #1 screwdriver, loosen the screw on the intrusion switch module.3. Slide the intrusion switch module out of the slot on the system. NOTE: The numbers on the image do not depict the exact steps. The numbers are for representation of sequence. Figure 198. Removing the intrusion swi...

Figure 199. Installing the intrusion switch module Next steps 1. Install the expansion card riser . 2. Follow the procedure listed in After working inside your system . Optional OCP card Removing the OCP card Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow...

Figure 200. Removing the OCP card 4. If the OCP card is not going to be replaced, install a filler bracket . Figure 201. Installation of filler bracket Next steps 1. Replace the OCP card . Installing the OCP card Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 200 I...

Figure 203. Installing the OCP card Next steps 1. Install the expansion card riser . 2. Follow the procedure listed in After working inside your system . Power supply unit NOTE: While replacing the hot swappable PSU, after next server boot; the new PSU automatically updates to the same firmware and ...

Removing a power supply unit blank Prerequisites Follow the safety guidelines listed in the Safety instructions . Steps Pull the blank out of the system. CAUTION: To ensure proper system cooling, the PSU blank must be installed in the second PSU bay in a non-redundant configuration. Remove the PSU b...

Removing a power supply unit adapter Remove the PSU adapter, when installing PSU with 86 mm wide form factor. Prerequisites Follow the safety guidelines listed in the Safety instructions . Steps Using a Phillips #1 screwdriver, loosen the screw and remove the power supply unit adapter. Figure 206. R...

Figure 207. Installing a power supply unit adapter Removing a power supply unit Prerequisites CAUTION: The system requires 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 guid...

Figure 208. Removing a power supply unit Next steps 1. Replace the PSU or install the PSU blank . Installing a power supply unit Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. For systems that support redundant PSU, ensure that both the PSUs are of the same type...

Figure 209. Installing a power supply unit Next steps 1. If you have unlatched or removed the cable management accessory, re-install or relatch it. For information about the cable management when the PSU is removed or installed while the system is in the rack, see the system’s cable managementaccess...

Steps 1. Locate the TPM connector on the system board. For more information, see System board connectors . 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 fro...

Initializing the TPM 2.0 for users 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. System board This...

Figure 211. Removing the system board Next steps 1. Install the system board . Installing the system board Prerequisites NOTE: Before replacing the system board, replace the old iDRAC MAC address label in the Information tag with the iDRAC MAC address label of the replacement system board. 1. Follow...

Restoring the system using Easy Restore The Easy Restore feature enables you to restore your service tag, license, UEFI configuration, and the system configuration dataafter replacing the system board. All data is backed up in a backup flash device automatically. If BIOS detects a new systemboard, a...

Figure 213. Removing the LOM card and rear I/O board Figure 214. Removing liquid cooling rear I/O board Next steps 1. Replace the LOM card and rear I/O board . Installing the LOM card and rear I/O board Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the p...

Control panel This is a service technician replaceable part only. Removing the right control panel Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. Remove the drive backplane cover . 4. If i...

Installing the right control panel Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. Remove the drive backplane cover . 4. If installed, remove the air shroud or remove the GPU air shroud . 5...

Removing the left control panel Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. Remove the drive backplane cover . 4. If installed, remove the air shroud or remove the GPU air shroud . 5. R...

Installing the left control panel Prerequisites 1. Follow the safety guidelines listed in the Safety instructions . 2. Follow the procedure listed in the Before working inside your system . 3. Remove the drive backplane cover . 4. If installed, remove the air shroud or remove the GPU air shroud . 5....

Upgrade Kits The table lists the available After Point Of Sale [APOS] kits. Table 74. Upgrade kits Kits Related links to service instructions Bezel See Installing the front bezel Boss See Installing the M.2 SSD module BOSS S2 See Installing the BOSS S2 controller card module Embedded management (IDS...

• Internal USB card kit • Serial COM port kit • VGA port kit • DPU kit BOSS S2 module kit The BOSS S2 module supports up to two M.2 SSDs. NOTE: To enable the BOSS S2 module in the system, ensure that the BIOS firmware version is 1.5.5 and iDRAC firmware version is 4.30.30.30 or later. Before you beg...

GPU kit The GPU FL and HL kits are available for the Customer. Depending on the kit ordered, the respective components are available. CAUTION: Do not install GPUs, network cards, or other PCIe devices on your system that are not validated and tested by Dell. Damage caused by unauthorized and invalid...

IDSDM kit The IDSDM kit contains one IDSDM card. For installation procedure of IDSDM, see installing the IDSDM module section. NOTE: Ensure to install the IDSDM module in the IDSDM/USB card port and not in the J_R3_PCIE_PWR connector port. Figure 224. IDSDM port information 226 Upgrade Kits

Internal USB card kit The internal USB card kit contains one internal USB card. For installation of internal USB card, see installing the internal USB card section. NOTE: Ensure to install the internal USB card in the IDSDM/USB card port and not in the J_R3_PCIE_PWR connector port. Figure 225. Inter...

DPU kit The DPU kit contains one 25G Network card. For installation procedure of Network card, see Installing the expansion card risers section. The R1A and R4A slots on the system configurations 2-1 and 2-2 are supported by R750 system, For more information about thesupported expansion cards and sl...

Table 82. System board jumpers and connectors (continued) Item Connector Description 40. CPU 2 Processor 2 41. 2U[FAN1] Fan 1 42 . SL1_CPU2_PB1 PCIe connector 1 43. B6, B14, B2, B10, B8, B16, B4, B12 DIMMs for CPU 2 channels E, F, G, H 44. NVRAM_CLR NVRAM_CLR (Jumpers) 45. PWRD_EN PWRD_EN (Jumpers) ...

System diagnostics and indicator codes This section describes the diagnostic indicators on the system front panel that displays the system status during system startup. Topics: • Status LED indicators • System health and system ID indicator codes • iDRAC Quick Sync 2 indicator codes • iDRAC Direct L...

Table 84. Status LED indicators and descriptions (continued) Icon Description Condition Corrective action Electricalindicator The indicator turns solid amberif the system experiences anelectrical error (for example,voltage out of range, or a failedpower supply unit (PSU) or voltageregulator). Check ...

iDRAC Quick Sync 2 indicator codes iDRAC Quick Sync 2 module (optional) is located on the left control panel of the system. Table 86. iDRAC Quick Sync 2 indicators and descriptions iDRAC Quick Sync 2 indicator code Condition Corrective action Off (default state) Indicates that the iDRAC Quick Sync 2...

Viewing Home screen The Home screen displays user-configurable information 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 thestandby mode after five minutes of inacti...

NIC indicator codes Each NIC on the back of the system has indicators that provide information about the activity and link status. The activity LEDindicator indicates if data is flowing through the NIC, and the link LED indicator indicates the speed of the connected network. Figure 232. NIC indicato...

Table 93. DC PSU status indicator codes (continued) Power indicator codes Condition same power rating. This results in a PSU mismatchcondition, or failure to power on the system. CAUTION: If two PSUs are used, they must be of the same type and have the same maximum outputpower. CAUTION: When correct...

Table 94. Drive indicator codes (continued) Drive status indicator code Condition NOTE: The drive status indicator remains off until all drives are initialized after the system is powered on. Drives are not readyfor removal during this time. Blinks green, amber, and then powers off Indicates that th...

The ePSA Pre-boot System Assessment window is displayed, listing all devices detected in the system. The diagnostics starts executing the tests on all the detected devices. System diagnostic controls Table 95. System diagnostic controls Menu Description Configuration Displays the configuration and s...

Getting help Topics: • Recycling or End-of-Life service information • Contacting Dell Technologies • Accessing system information by using QRL • Receiving automated support with SupportAssist Recycling or End-of-Life service information Take back and recycling services are offered for this product i...

The QRL includes the following information about your system: ● How-to videos ● Reference materials, including the Installation and Service Manual, LCD diagnostics, and mechanical overview ● The system service tag to quickly access the specific hardware configuration and warranty information ● A dir...

Documentation resources This section provides information about the documentation resources for your system. To view the document that is listed in the documentation resources table: ● From the Dell EMC support site:1. Click the documentation link that is provided in the Location column in the table...