Instruction/ maintenance manual of the product 7910 Dell
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Dell Precision Rack 7910 Owner's Manual Regulatory Model: E31S Regulatory Type: E31S001.
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage 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.
Contents 1 Working on Your Computer............................................................................... 8 Turning Off Your Computer ............................................................................................................
Optical drive (optional) ........................................................................................................................ 37 Removing the optical drive ...........................................................................
Installing the network daughter card ............................................................................................72 Processors ............................................................................................................
Troubleshooting cooling problems ................................................................................................. 100 Troubleshooting cooling fans .......................................................................................
Processor Settings screen details ............................................................................................... 124 SATA Settings screen details ........................................................................................
1 Working on Your Computer Turning Off Your Computer CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1. Shut down the operating system: • In Windows 8: – Using a touch-enabled device: a.
2 LCD panel features NOTE: The LCD panel is present only on Precision Rack 7910 The LCD panel of your system provides system information and status and error messages to indicate if the system is operating correctly or if the system needs attention.
standby mode, the LCD backlight turns off after five minutes of inactivity if there are no error messages. Press one of the three navigation buttons (Select, Left, or Right) to view the Home screen. To navigate to the Home screen from another menu, continue to select the up arrow until the Home icon is displayed, and then select the Home icon.
Documentation matrix The documentation matrix provides information on documents that you can refer to for setting up and managing your system. To... Refer to.
3 Hard-drive indicator codes Figure 2. Hard-drive indicators 1. hard-drive activity indicator 2. hard-drive status indicator 3. hard drive Figure 3. Hard-drive indicators on the hard-drive tray backplane 1. hard-drive activity indicator 2. hard-drive status indicator 3.
Drive-status indicator pattern (RAID only) Condition Blinks green two times per second Identifying drive or preparing for removal. Off Drive ready for insertion or removal. NOTE: The drive status indicator remains off until all hard drives are initialized after the system is turned on.
4 Installing and removing system components 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 removing the system cover when the system is on may expose you to a risk of electric shock.
• #2 Phillips screwdriver For how-to videos, documentation, and troubleshooting solutions, scan this QR code, or click here: http://www.Dell.com/QRL/Workstation/R7910 System Overview Figure 4.
Item Indicator, Button, or Connector Icon Description 1 Power-on indicator, power button The power-on indicator lights when the system power is on. The power button controls the power supply output to the system.
Item Indicator, Button, or Connector Icon Description NOTE: If the system is connected to a power source and an error is detected, the LCD lights amber regardless of whether the system is turned on or off. 8 Hard drives Up to eight 2.5 inch drives. 9 vFlash media card slot Allows you to insert a vFlash media card.
Item Indicator, Button, or Connector Icon Description 17 Serial connector Allows you to connect a serial device to the system. 18 Video connector Allows you to connect a VGA display to the system. 19 USB connector (2) Allows you to connect USB devices to the system.
Figure 5. Removing and installing the front bezel 1. bezel lock 2. front bezel Installing the front bezel 1. Hook the right end of the bezel onto the chassis. 2. Fit the free end of the bezel onto the system. 3. Secure the bezel with the keylock. Removing the system cover 1.
6. Hold the cover on both sides, and lift the cover away from the system. 1. system cover 2. latch 3. latch release lock To see a video on removing and installing System Cover, scan this QR code, or click here: http:// www.Dell.com/QRL/Workstation/R7910/Cover Installing the system cover Ensure that you read the Safety Instructions .
1. Align the slots of the system cover with the tabs on the chassis. 2. Press the cover release latch, and push the cover toward the front of the chassis until the latch locks into place. 3. Turn the latch release lock clockwise to the locked position.
Figure 6. Inside the system—Precision Rack 7910 1. cooling-fan (6) 2. processor (2) 3. DIMM (24) 4. PCIe card holder 5. internal USB port 6. power supply unit (2) 7. expansion-card riser (3) 8. network daughter card 9. expansion-card riser (2) 10. expansion-card riser (1) 11.
Removing the cooling shroud 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 or telephone service and support team.
4. Follow the procedure listed in After working inside your system . System memory Your system supports DDR4 registered DIMMs (RDIMMs), and load reduced DIMMs (LRDIMMs).
Memory channels are organized as follows: Processor 1 channel 0: slots A1, A5, and A9 channel 1: slots A2, A6, and A10 channel 2: slots A3, A7, and A11 channel 3: slots A4, A8, and A12 Processor 2 cha.
The following table shows the memory populations and operating frequencies for the supported configurations. DIMM Type DIMMs Populated/ Channel Operating Frequency (in MT/s) Maximum DIMM Rank/Channel 1.
NOTE: 1R, 2R, and 4R in the following tables indicate single-, dual-, and quad-rank DIMMs respectively. Table 1. Memory configurations—single processor System capacity (in GB) DIMM size (in GB) Numb.
System capacity (in GB) DIMM size (in GB) Number of DIMMs DIMM rank, organization, and frequency DIMM slot population NOTE: 16 GB DIMMs must be installed in slots numbered A1, A2, A3, A4, A5, A6, A7, and A8 and 8 GB DIMMs must be installed in slots A9 and A11.
System capacity (in GB) DIMM size (in GB) Number of DIMMs DIMM rank, organization, and frequency DIMM slot population 160 8 20 2R, x8, 1866 MT/s 2R, x8, 1600 MT/s A1, A2, A3, A4, A5, A6, A7, A8, A9, A.
2. Follow the procedure listed in Before working inside your system . 3. Remove the cooling shroud. WARNING: The memory modules are hot to touch for some time after the system has been powered down. Allow the memory modules to cool before handling them.
Installing memory modules 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 or telephone service and support team.
Figure 9. Installing the memory module 1. memory module 2. alignment key 3. memory-module socket ejector (2) When the memory module is properly seated in the socket, the levers on the memory module socket align with the levers on the other sockets that have memory modules installed.
Hard drives Your system supports Client and Enterprise-class hard drives, which are designed for 24x7 operating environment. Selecting the correct drive class will enable the critical areas of quality, functionality, performance, and reliability to be optimized for the target implementation.
Figure 10. Removing and installing a 2.5 inch hard-drive blank 1. hard-drive blank 2. release button Installing a 2.5 inch hard-drive blank 1. Ensure that you read the Safety instructions . 2. If installed, remove the front bezel. 3. Insert the hard-drive blank into the hard-drive slot until the release button clicks into place.
CAUTION: To maintain proper system cooling, all empty hard-drive slots must have hard- drive blanks installed. 3. If you are not replacing the hard drive immediately, insert a hard-drive blank in the empty hard-drive slot. Figure 11. Removing and installing hard drive 1.
CAUTION: When a replacement hard drive is installed and the system is powered on, the hard drive automatically begins to rebuild. Make absolutely sure that the replacement hard drive is blank or contains data that you wish to have over-written. Any data on the replacement hard drive is immediately lost after the hard drive is installed.
Installing a hard drive into a hard-drive carrier 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 or telephone service and support team.
Figure 13. Removing and installing the optical drive 1. optical drive 2. power and data cable 3. release tab Follow the procedure listed in After working inside your system. Installing the optical drive 1. Ensure that you read the Safety instructions .
NOTE: In the event of a problem with a particular fan, the fan number is referenced by the system management software, allowing you to easily identify and replace the proper fan by noting the fan numbers on the cooling-fan assembly. Removing a cooling fan 1.
4. Replace the cooling fan. 5. Follow the procedure listed in After working inside your system . Installing a cooling fan 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system . CAUTION: Many repairs may only be done by a certified service technician.
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 or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
2. Follow the procedure listed in After working inside your system . To see a video on how to remove & install a fan or the fan assembly, scan this QR code, or click here: http://www.Dell.com/QRL/Workstation/R7910/Fans Installing the cooling-fan assembly CAUTION: Many repairs may only be done by a certified service technician.
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 the System Setup. Replacing the internal USB key 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system .
3. If installed, remove the full-length PCIe card. 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 or telephone service and support team.
Installing the PCIe card holder 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system .
Figure 18. Opening and closing the PCIe card holder latch 1. PCIe card holder 2. release tab 3. PCIe card holder latch Follow the procedure listed in After working inside your system . Cable retention bracket Removing the cable retention bracket 1. Ensure that you read the Safety instructions .
Figure 19. Removing and installing the cable retention bracket 1. alignment pin (2) 2. tab 3. cable retention bracket 1. Follow the procedure listed in After working inside your system . Installing the cable retention bracket 1. Ensure that you read the Safety instructions .
Expansion cards and expansion-card risers NOTE: A missing or an unsupported expansion-card riser logs an SEL event. It does not prevent your system from powering on and no BIOS POST message or F1/F2 pause is displayed.
5. Replace the expansion-card latch into the slot. 6. Close the expansion-card locking tabs. NOTE: You must install a filler bracket over an empty expansion slot to maintain Federal Communications Commission (FCC) certification of the system.
Follow the procedure listed in After working inside your system . Installing an expansion card into the expansion-card riser 2 or 3 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system .
Removing an expansion card from the expansion-card riser 1 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 or telephone service and support team.
Figure 21. Removing and installing an expansion-card from expansion-card riser 1 1. tab A 2. expansion-card riser 1 cage 3. expansion-card connector 4. tab B 5. latch 6. expansion card 1. Install the expansion-card riser. 2. Follow the procedure listed in After working inside your system .
2. Follow the procedure listed in Before working inside your system . 3. Remove the expansion-card riser. Pull straight up on the riser using the blue touch points on the top of the riser CAUTION: Many repairs may only be done by a certified service technician.
Figure 22. Removing and installing the riser 1 blank 1. slot on the chassis 2. tab (2) 3. riser 1 blank Installing the riser 1 blank 1. Align the blank with the slot on the chassis. 2. Insert it into the chassis until it clicks into place. Removing expansion-card risers CAUTION: Many repairs may only be done by a certified service technician.
NOTE: To remove expansion-card risers 2 and 3, hold the edges of the expansion-card riser. NOTE: To ensure proper system cooling, the riser 1 blank must be installed in the riser 1 slot. Remove the riser 1 blank only if you are installing riser 1. Figure 23.
Figure 24. Identifying connectors on the expansion card riser 1 1. expansion-card slot 1 2. expansion-card slot 2 3. expansion-card slot 3 56.
Figure 25. Removing and installing the expansion card riser 2 1. power connector (for GPU cards) 2. expansion-card riser 2 3. riser guide-back 4. expansion-card riser 2 connector 5.
Figure 26. Identifying connectors on the expansion card riser 2 1. expansion-card slot 4 2. expansion-card slot 5 3. power connector (for GPU cards) 58.
Figure 27. Removing and installing the expansion card riser 3 1. riser guide-front 2. power connector (for GPU cards) 3. expansion-card riser 3 4. riser guide-back 5.
Figure 28. Identifying connectors on the expansion card riser 3 (default) 1. expansion-card slot 6 2. expansion-card slot 7 3. power connector (for GPU cards) Figure 29. Identifying connectors on the expansion card riser 3 (alternate) 1. expansion-card slot 6 2.
2. Follow the procedure listed in Before working inside your system . 3. If applicable, reinstall the expansion card(s) into the expansion-card riser 1.
9. Ensure the GPU card is seated into the PCIe card holder latch. 10. Press the touch point to open the PCIe card holder latch and/or the expansion-card locking tabs. 11. Connect the GPU power cable to the riser. 12. Close the expansion-card latch/latches.
Figure 30. Removing and installing the GPU card 1. expansion-card locking tab (3) 2. GPU card 3. PCIe card holder latch 4. expansion-card latch 5. expansion-card riser 3 Follow the procedure listed in After working inside your system .
Figure 31. Removing and installing the SD vFlash media card 1. SD vFlash media card 2. SD vFlash media-card slot 3. To install an SD vFlash media card, with the label side facing up, insert the contact-pin end of the SD vFlash media card into the card slot on the module.
Installing an internal SD card 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system . CAUTION: Many repairs may only be done by a certified service technician.
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 or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
5. SD card slot 1 6. IDSDM connector The following table describes the IDSDM indicator codes. Convention IDSDM indicator code Condition A Green Indicates that the card is online B Flashing green Indic.
Integrated storage controller card Your system includes a dedicated expansion-card slot on the system board for an integrated controller card. The integrated storage controller card provides the integrated storage subsystem for your system’s internal hard drives.
Figure 33. Removing and installing the integrated storage controller card 1. integrated storage controller cable 2. integrated storage controller card 3. integrated storage-controller card connector on the system board 4. integrated storage controller card holder 1.
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 or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
Figure 34. Removing and installing the Network Daughter Card (NDC) 1. captive screw socket (2) 2. connector on the system board 3. captive screw (2) 4. touch point (2) 5. network daughter card 6. back panel slot for Ethernet connectors 1. Replace the network daughter card.
Installing the network daughter card 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. If applicable, remove the expansion card(s) in the expansion-card riser 2. 4. Keep the #1 Phillips screwdriver handy.
• Replacing a processor NOTE: To ensure proper system cooling, you must install a processor blank in any empty processor socket. Removing a processor CAUTION: Many repairs may only be done by a certified service technician.
Figure 35. Removing and installing a processor heat sink 1. captive screw (4) 2. heat sink 3. processor socket 4. slot (4) CAUTION: The processor is held in its socket under strong pressure. Be aware that the release lever can spring up suddenly if not firmly grasped.
Figure 36. Processor shield 1. close first socket release lever 2. lock icon 3. processor 4. open first socket release lever 5. unlock icon 2. To remove the processor: a. Release the open first socket-lever near the unlock icon by pushing the lever down and out from under the tab.
Figure 37. Removing and installing a processor 1. close first socket-release lever 2. pin-1 indicator of processor 3. processor 4. slot (4) 5. processor shield 6.
Installing a processor 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 or telephone service and support team.
CAUTION: Do not use force to seat the processor. When the processor is positioned correctly, it engages easily into the socket. d. Close the processor shield. e. Lower the close first socket-release lever near the lock icon and push it under the tab to lock it.
NOTE: Tighten the screws diagonally opposite to each other. Do not over-tighten the heat sink retention screws when installing the heat sink. To prevent over-tightening, tighten the retention screw until resistance is felt, and stop once the screw is seated.
Removing the power supply unit blank If you are installing a second power supply unit, remove the power supply unit blank in the bay by pulling the blank outward. CAUTION: To ensure proper system cooling, the power supply blank must be installed in the second power supply bay in a non-redundant configuration.
NOTE: You may have to unlatch and lift the optional cable management arm if it interferes with power supply removal. For information about the cable management arm, see the system’s rack documentation. 1. Disconnect the power cable from the power source and from the power supply unit you intend to remove and remove the cables from the strap.
Installing an AC power supply unit 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 or telephone service and support team.
System battery Replacing the system battery 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. Remove the cooling shroud. WARNING: There is a danger of a new battery exploding if it is incorrectly installed.
4. Press the battery into the connector until it snaps into place. Figure 42. Installing the system battery 1. system battery 2. positive side of the battery connector 1. Install the cooling shroud. 2. Follow the procedure listed in After working inside your system .
Removing the hard-drive backplane 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system . 3. Remove the cooling shroud. 4. Remove the cooling-fan assembly. 5. Remove all hard drives. CAUTION: Many repairs may only be done by a certified service technician.
3. release tab 4. backplane power cable 5. SAS cable 6. mini SAS cable connector 1. hard-drive backplane 2. backplane signal connector 1 3. system board 4. integrated storage controller card Installing the hard-drive backplane 1. Ensure that you read the Safety instructions .
CAUTION: To prevent damage to the control panel flex cable, do not to bend the control panel flex cable after it is inserted into the connector. 1. Use the hooks on the chassis as guides to align the hard-drive backplane. 2. Slide down the hard-drive backplane until the release tabs snap into place.
2. control-panel board 3. control-panel connector cable 4. USB connector cable Figure 44. Removing and installing the control panel—2.5 inch hard-drive system—PowerEdge R730 1. control panel 2. control-panel board 3. control-panel connector cable 4.
Figure 45. Removing and installing the information tag 1. information tag 2. tab 3. slot Installing the control panel 1. Ensure that you read the Safety instructions .
CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted to create a recovery key during program or System Setup.
Figure 46. Removing and installing the system board 1. release pin 2. system board 3. system-board holder 1. Replace the system board. 2. Follow the procedure listed in After working inside your system . To see a video on how to remove & install the system board, scan this QR code, or click here: http:// www.
Installing the system board 1. Ensure that you read the Safety instructions . 2. Follow the procedure listed in Before working inside your system . CAUTION: Many repairs may only be done by a certified service technician.
3. Follow the procedure listed in After working inside your system . 4. Import your new or existing iDRAC Enterprise license. For more information, see Integrated Dell Remote Access Controller User's Guide, at dell.com/esmmanuals . 5. Ensure that you: a.
If BIOS detects a new system board, and if the Service Tag is present in the backup flash device, BIOS displays the Service Tag, the status of the license, and the UEFI Diagnostics version. 2. Perform one of the following steps: • Press Y to restore the Service Tag, license, and diagnostics information.
5 Troubleshooting your system Safety first—for you and your system 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 or telephone service and support team.
4. In the IDRAC Settings Utility , ensure the USB Management Port Mode is configured as Automatic or Standard OS Use . 5. Replace the keyboard/mouse with a working keyboard/mouse. If the problem is not resolved, proceed to the next step to begin troubleshooting other USB devices attached to the system.
4. If the driver is installed, ensure you are not connected to any network through WiFi or cabled ethernet as iDRAC Direct uses a non-routable address. Troubleshooting a serial I/O device 1. Turn off the system and any peripheral devices connected to the serial port.
• expansion cards • power supply unit(s) • cooling-fan assembly (if present) • cooling fans • processor(s) and heat sink(s) • memory modules 4. Let the system dry thoroughly for at least 24 hours. 5. Reinstall the components you removed in step 3.
NOTE: Some software may cause the system time to speed up or slow down. If the system seems to operate normally except for the time kept in the System Setup, the problem may be caused by software rather than by a defective battery. 1. Re-enter the time and date in the System Setup.
Troubleshooting cooling problems 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 or telephone service and support team.
Troubleshooting system memory 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 or telephone service and support team.
Troubleshooting an internal USB key 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 or telephone service and support team.
NOTE: The rebuild will always be sourced from the primary SD card to the secondary SD card. Perform the rebuild of the SD card as necessary. Troubleshooting an optical drive CAUTION: Many repairs may only be done by a certified service technician.
Troubleshooting a storage controller 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 or telephone service and support team.
4. Ensure that each expansion card is firmly seated in its connector. 5. Install the system cover. 6. If the problem is not resolved, turn off the system and attached peripherals, and disconnect the system from the electrical outlet. 7. Remove the system cover.
• Alert! Card-cage fan failure. • Alert! CPU 0 fan failure. • Alert! Chipset heatsink not detected. • Alert! Operating is debug mode. Please populate memory in pairs for normal operation. • Alert! Power supply fan failure. • Alert! Previous fan failure.
more information, see the systems management software documentation (Dell OpenManage Systems Management Overview Guide at dell.com/openmanagemanuals ).
6 Using system diagnostics If you experience a problem with your system, run the system diagnostics before contacting Dell for technical assistance. The purpose of running system diagnostics is to test your system hardware without requiring additional equipment or risking data loss.
System diagnostic controls Menu Description Configuration Displays the configuration and status information of all detected devices. Results Displays the results of all tests that are executed. System health Provides the current overview of the system performance.
7 Jumpers and connectors System board jumper settings For information on resetting the password jumper to disable a password, see Disabling a forgotten password . Table 4. System board jumper settings Jumper Setting Description PWRD_EN The password reset feature is enabled (pins 2–4).
System board connectors Figure 47. Item Connector Description 1 J_BP_SIG1 Backplane signal connector 1 2 J_PS_2 PSU 2 connector 3 J_BP_SIG0 Backplane signal connector 0 4 J_BP0 Backplane power connect.
Item Connector Description 11 J_USB USB connector 12 J_VIDEO_REAR Video connector 13 J_COM1 Serial connector 14 J_IDRAC_RJ45 iDRAC8 connector 15 J_CYC System identification connector 16 CYC_ID System .
Item Connector Description 44 J_FAN2U_1 Cooling fan connector 45 J_CTRL_PNL Control panel signal connector 46 CPU 1 Processor 1 47 J_FP_USB Front-panel USB connector 48 Tera2 host card Power connector Disabling a forgotten password The system's software security features include a system password and a setup password.
8 Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer.
Memory Specification 8 GB with a dual processor (minimum one DIMM module per processor) Maximum memory LRDIMMs Up to 768 GB with a dual processor Up to 256 GB with a single processor Table 8. Video Video Specification Video type Matrox G200eR2 Video memory 16 MB Table 9.
Card Slots Specification NOTE: To use slots 1 through 4, both the processors must be installed. Slot 5 One full-height, full-length x8 link Riser 3 (default) Slot 6 One full-height, full-length x8 link Slot 7 One full-height, full-length x8 link Riser 3 (alternate for GPU) Slot 6 One full-height, full-length x16 link Table 12.
Internal connectors Specification Internal USB One 4-pin, USB 3.0-compliant System power one 24-pin connector Power distribution board communication one six-pin connector Front panel control one 28-pi.
Controls and Lights Specification off (no light) — The computer is not detecting a physical connection to the network. Network link integrity lights (rear): green light — A good connection at 10 Mbs exists between the network and the computer. orange light — A good connection at 100 Mbs exists between the network and the computer.
Table 18. Environmental Environmental Specification Temperature: Operating 10 °C to 35 °C (50 °F to 95 °F) Storage -40 °C to 65 °C (-40 °F to 149 °F) Maximum 20°C/h (36°F/h) Restriction K6000/K20 cards + 160 w processor is limited to 30 c operating temperature maximum.
9 System Setup Boot Menu As with previous workstation platforms, this computer includes a one-time boot menu. This feature gives users a quick and convenient mechanism to bypass the System Setup-defined boot device order and boot directly to a specific device (for example: floppy, CD-ROM, or hard drive).
The second method is good if the monitor is already warmed up. If it is not, the system often passes the window of opportunity before the video signal is visible. If this is the case, rely on the first method—the keyboard lights—to know the keyboard is initialized.
Option Description using the iDRAC Settings utility. For more information about this utility, see the Integrated Dell Remote Access Controller User’s Guide at dell.
Menu Item Description System Model Name Displays the system model name. System BIOS Version Displays the BIOS version installed on the system. System Management Engine Version Displays the current revision of the Management Engine firmware. System Service Tag Displays the system Service Tag.
Menu Item Description NOTE: The Dell Fault Resilient Mode establishes an area of memory that is fault resilient. This mode can be used by an operating system that supports the feature to load critical applications or enables the operating system kernel to maximize system availability.
Menu Item Description DCU IP Prefetcher Enables or disables the Data Cache Unit (DCU) IP prefetcher. By default, the DCU IP Prefetcher option is set to Enabled . Execute Disable Enables or disables the execute disable memory protection technology. By default, the Execute Disable option is set to Enabled .
Menu Item Description Number of Cores Displays the number of cores per processor. SATA Settings screen details You can use the SATA Settings screen to view the SATA settings of SATA devices and enable RAID on your system. You can view the SATA Settings screen by clicking System Setup Main Menu → System BIOS → SATA Settings .
Menu Item Description Port D Sets the drive type of the selected device. For 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 mode or RAID mode, BIOS always enables support.
Menu Item Description Capacity Displays the total capacity of the hard drive. The field is undefined for removable media devices such as optical drives. Port I Sets the drive type of the selected device. For Embedded SATA settings in ATA mode, set this field to Auto to enable BIOS support.
Menu Item Description in order, as listed in the Hard-Disk Drive Sequence . This option is not enabled for UEFI Boot Mode. Boot Options Settings Configures the boot sequence and the boot devices.
Menu Item Description automatically used as the primary display even if the Embedded Video Controller setting is Disabled . Current State of Embedded Video Controller Displays the current state of the Embedded Video Controller .
Menu Item Description • Enabled (default) • Disabled Serial Communication screen details You can use the Serial Communication screen to view the properties of the serial communication port. You can view the Serial Communication screen by clicking System Setup Main Menu → System BIOS → Serial Communication .
Menu Item Description the rest of the options if the mode is set to Custom . By default, the System Profile option is set to Performance Per Watt Optimized (DAPC) . DAPC is Dell Active Power Controller. NOTE: The following parameters are available only when the System Profile is set to Custom .
Menu Item Description Cores for Processor 2 Controls the number of turbo boost enabled cores for processor 1. By default, the maximum number of cores is enabled. Monitor/Mwait Enables the Monitor/Mwait instructions in the processor. By default, the Monitor/ Mwait option is set to Enabled for all system profiles, except Custom .
Menu Item Description NMI Button Enables or disables the NMI button on the front of the system. By default, the NMI Button option is set to Disabled . AC Power Recovery Sets how the system reacts after AC power is restored to the system. By default, the AC Power Recovery option is set to Last .
The Miscellaneous Settings screen details are explained as follows: Menu Item 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 Displays the asset tag and enables you to modify it for security and tracking purposes.
Menu Item Description Memory RMT — Disabled 136.
10 NIC indicator codes Figure 48. NIC indicators 1. link indicator 2. activity indicator Indicator Indicator code Link and activity indicators are off The NIC is not connected to the network. Link indicator is green The NIC is connected to a valid network at its maximum port speed (1 Gbps or 10 Gbps).
11 Power indicator codes Each AC power supply unit (PSU) has an illuminated translucent handle and each DC power supply unit (when available) has an LED that serves as an indicator to show whether power is present or a power fault has occurred. Figure 49.
Convention Power indicator pattern Condition NOTE: For AC power supplies, use only PSUs with the Extended Power Performance (EPP) label on the back. Mixing PSUs from previous generations of servers can result in a PSU mismatch condition or failure to power on.
12 Contacting Dell Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options.
An important point after buying a device Dell 7910 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dell 7910 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dell 7910 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dell 7910 you will learn all the available features of the product, as well as information on its operation. The information that you get Dell 7910 will certainly help you make a decision on the purchase.
If you already are a holder of Dell 7910, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dell 7910.
However, one of the most important roles played by the user manual is to help in solving problems with Dell 7910. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dell 7910 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
