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Dell Precision Tower 7910 Owner's Manual
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Dell Precision Tower 7910 Owner's Manual

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Dell Precision Tower 7910
Owner's Manual
Regulatory Model: D02X
Regulatory Type: D02X003

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Summary of Contents for Dell Precision Tower 7910

  • Page 1 Dell Precision Tower 7910 Owner's Manual Regulatory Model: D02X Regulatory Type: D02X003...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2014 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell ™...

  • Page 3: Table Of Contents

    Contents 1 Working on Your Computer................6 ....................6 Before Working Inside Your Computer ........................7 Turning Off Your Computer ....................8 After Working Inside Your Computer 2 Removing and Installing Components............. 9 ..........................9 Recommended Tools ........................... 9 System Overview ..................... 12 Removing the Power Supply Unit (PSU) ....................
  • Page 4 .......................37 Removing the Power Switch ........................ 38 Installing the Power Switch ........................38 Removing the Speaker .......................... 39 Installing the Speaker ......................... 40 Removing the Right Cover ........................41 Installing the Right Cover ....................41 Removing the 5.25-inch Optical Drive ....................42 Installing the 5.25-inch Optical Drive ....................
  • Page 5 ..................71 Errors That Do Not Halt Your Computer ....................71 Errors That Soft Halt Your Computer 7 Technical Specifications..................73 8 Contacting Dell....................79...

  • Page 6: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 7: Turning Off Your Computer

    CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. Disconnect all network cables from the computer. Disconnect your computer and all attached devices from their electrical outlets. Press and hold the power button while the computer is unplugged to ground the system board.

  • Page 8: After Working Inside Your Computer

    Connect any telephone or network cables to your computer. Connect your computer and all attached devices to their electrical outlets. Turn on your computer. If required, verify that the computer works correctly by running the Dell Diagnostics.

  • Page 9: Removing And Installing Components

    Small slotted-tip screwdriver • #2 Phillips screwdriver • #1 Phillips screwdriver • Small plastic scribe For how-to videos, documentation, and troubleshooting solutions, scan this QR code, or click here:http://www.Dell.com/QRL/Workstation/T7910 System Overview Figure 1. Front and Back View of T7910 Computer...
  • Page 10 power button/power light USB 3.0 connector optical drive (optional) optical-drive eject button (optional) USB 2.0 connectors hard-drive activity light microphone connector headphone connector optical-drive eject button (optional) 10. optical drive (optional) 11. line-in/microphone connector 12. serial connector 13. power supply unit (PSU) release latch 14.
  • Page 11 Figure 2. Inside View of T7910 Computer processor heatsink with integrated fan memory shroud optical drive front bezel system board graphics card intrusion switch...

  • Page 12: Removing The Power Supply Unit (Psu)

    Figure 3. Inside View of T7910 Computer system fans speaker PCI retention latch power-supply unit PCI retention latch Removing the Power Supply Unit (PSU) Follow the procedures in Before Working Inside Your Computer. If the PSU is locked, remove the screw to unlock the PSU. For more information, see the PSU Lock Feature.

  • Page 13: Installing The Power Supply Unit (Psu)

    Installing the Power Supply Unit (PSU) Hold the PSU handle and push the unit into its compartment until it clicks into place. Follow the procedures in After Working Inside Your Computer. Removing the Front Cover NOTE: The front cover can be secured using the front panel-chassis lock. For more information the front-panel chassis lock, see Additional Information —...

  • Page 14: Installing The Front Cover

    Installing the Front Cover Place the front cover on the computer. Press down on the front cover till it clicks into place. Follow the procedures in After Working Inside Your Computer. Removing the Hard Drive Follow the procedures inBefore Working Inside Your Computer.
  • Page 15 If a second hard drive is installed, Pull the clasp of the second hard-drive bracket in an outward direction. Slide the second hard-drive bracket in an outward direction to remove it from the computer.
  • Page 16 Flex the hard-drive bracket on both sides to loosen the hard drive. Lift the hard drive in an upward direction to remove it from the hard-drive bracket. If a 2.5 inch hard drive is installed , Push the retention clips in an outward direction and lift up the drive to remove it from the 3.5 inch hard-drive caddy.

  • Page 17: Installing The Hard Drive

    Installing the Hard Drive If a 2.5–inch or 3.5–inch hard drive is installed, place the hard drive to the hard-drive caddy until it snaps to its place. Flex the hard-drive bracket and then insert the hard drive into the bracket. Slide the hard-drive bracket into its compartment and close the hard-drive bracket clasp.

  • Page 18: Installing The Left Cover

    Installing the Left Cover Place the computer cover on the chassis. Press down on the cover till it clicks into place. Follow the procedures in After Working Inside Your Computer. Removing the Intrusion Switch Follow the procedures in Before Working Inside Your Computer.

  • Page 19: Installing The Intrusion Switch

    Installing the Intrusion Switch Install the intrusion switch into its place holder on the chassis. Route the intrusion-switch cable around the chassis clips and install the connector to the system board. Install: a. memory shroud b. left cover Follow the procedures in After Working Inside Your Computer.

  • Page 20: Installing The Pci Card

    Press down the latch and pull the PCI card away from the computer. Installing the PCI Card Push the expansion card into the card slot and secure the latch. Install the plastic latch that secures the PCI card to the card slot. Install the left cover.
  • Page 21 Disconnect the power cable from the back of the optical drive. Pull up the blue release tab to release the latches that secure the optical drive.
  • Page 22 Slide the optical drive out of its compartment and lift it up to remove it from the computer. Flex the optical-drive bracket latches in an outward direction to loosen the optical drive from the bracket. Lift the optical drive and remove it from the bracket.

  • Page 23: Installing The Slimline Optical Drive

    Installing the Slimline Optical Drive Slide the optical drive into its compartment and ensure it is seated firmly. Connect the power cable and the data cable to the back of the optical drive. Install the left cover. Follow the procedures in After Working Inside Your Computer.

  • Page 24: Installing The Memory Shroud

    Press down on the release latch on the memory shroud base and lift it upwards to remove it from the computer. Repeat the steps to remove the second memory shroud module and memory shroud base from the computer. Installing the Memory Shroud Install the memory shroud base inside the computer chassis.

  • Page 25: Removing The Memory

    Removing the Memory Follow the procedures in Before Working Inside Your Computer. Remove: a. left cover b. optical drive c. memory shroud Press down on the memory-securing clips on each side of the memory module, and lift the memory module upwards to remove it from the computer. NOTE: Tilting of DIMM during removal can cause damage to the DIMM.

  • Page 26: Installing The Coin-Cell Battery

    Installing the Coin-Cell Battery Place the coin-cell battery into the slot on the system board. Press the coin-cell battery downward until the release latch springs back into place and secures it. Install: a. PCIe card b. left cover Follow the procedures in After Working Inside Your Computer.

  • Page 27: Installing The Heatsink

    Lift up the heatsink and remove it from the computer. Installing the Heatsink Place the heatsink inside the computer. Tighten the captive screws to secure the heatsink to the system board. NOTE: Misalignment of screws can damage the system. Connect the heatsink cable to the system board. Install: a.

  • Page 28: Removing The Heatsink Fan

    Removing the HeatSink Fan Follow the procedures in Before Working Inside Your Computer. Remove: a. left cover b. heatsink c. memory shroud (center) Push the grommets outward to release the heatsink fan from the assembly. Remove the heatsink fan from the heatsink assembly. Installing the Heatsink Fan Slide the heatsink fan into heatsink assembly.

  • Page 29: Installing The Pcie Card Retention

    Perform the following steps as shown in the illustration: a. Unthread the cable from the latch [1]. b. Press and slide the latch out to release the PCIe card retention [2]. c. Lift and remove the PCIe card retention out of the computer [3]. Installing the PCIe card retention Place the PCIe card retention in its slot and insert the latches.
  • Page 30 Push the PCIe card retention in the direction indicated to unhinge it from the system-fan module. Lift the PCIe card retention in an upward direction to remove it from the computer. Remove the graphics-card cable from the latch.
  • Page 31 Route the system-fan cable through the opening in the system-fan module. Perform the following steps as shown in the illustration: a. Disconnect the system-fan and internal speaker cable connectors from the system board [1,2].
  • Page 32 Perform the following steps as shown in the illustration: a. Remove the screws that secure the system-fan assembly to the chassis [1]. b. Lift and remove the system-fan assembly from the chassis [2].
  • Page 33 10. Insert the fan cable through the opening to release the system-fan module. 11. Remove the grommets that secure the system fan , lift up the fan and remove it from the fan assembly.

  • Page 34: Installing The System-Fan Assembly

    Installing the System-Fan Assembly Tighten the grommets that secure the system fan to the system-fan module. Connect the system-fan cable to the system-fan module. Install the screws that secure the system-fan module to the chassis. Route the system-fan cables out of the opening in the system-fan module in the direction of the system board.
  • Page 35 Remove the screws that secure the I/O panel assembly to the computer chassis. Pull the I/O panel assembly in a direction opposite to the computer to release its edge from the chassis clip. Slide the opposite edge of the I/O panel assembly outward to disengage the I/O assembly from the chassis.

  • Page 36: Installing The I/O Panel And The Usb 3.0 Ports

    Remove the screws that secure the USB 3.0 module to the I/O panel assembly and remove it from the computer. Remove the screws that secure the I/O panel and remove it from the I/O panel assembly. Installing the I/O Panel and the USB 3.0 Ports Place the I/O panel and install the screws to secure it in place.

  • Page 37: Removing The Power Switch

    Install: a. front bezel b. front cover c. left cover Follow the procedures in After Working Inside Your Computer. Removing the Power Switch Follow the procedures in Before Working Inside Your Computer. Remove: a. left cover b. front cover c. front bezel d.

  • Page 38: Installing The Power Switch

    Installing the Power Switch Connect the power-switch cable to the I/O panel board. Route the power-switch module through the opening on the front panel. Press the retention tab to secure the power switch in place. Install: a. I/O panel b. front bezel c.

  • Page 39: Installing The Speaker

    Perform the following steps: a. Press the speaker latch on both sides to release the speaker from the chassis. b. Lift to remove the speaker from the computer. c. Remove the speaker cable through the opening. Installing the Speaker Install the speaker and route the speaker cable through the chassis. Connect the speaker cable to the system board.

  • Page 40: Removing The Right Cover

    Removing the Right Cover Follow the procedures in Before Working Inside Your Computer. Remove the screws that secure the right cover to the chassis. Slide the right cover in the direction indicated to remove it from the computer. Lift the right cover at a 45–degree and remove it from the computer.

  • Page 41: Installing The Right Cover

    Figure 4. Installing the Right Cover Place the right cover on the computer. Install the screws that secure the right cover to the computer. Follow the procedures in After Working Inside Your Computer. Removing the 5.25-inch Optical Drive Follow the procedures in Before Working Inside Your Computer.

  • Page 42: Installing The 5.25-Inch Optical Drive

    Remove the screws from the optical drive and remove the bracket. Installing the 5.25-inch Optical Drive NOTE: If the sytem is not shipped with optical drive, remove the 5.25-inch optical drive cover from the front cover to install the Optical drive. Place the optical drive on the bracket and tighten the screws to secure the optical drive.
  • Page 43 Unroute the HDD thermal-sensor cable from its securing clips on the chassis. Open the latch securing the HDD thermal sensor and remove it from the computer.

  • Page 44: Installing The Hdd Thermal Sensor

    Installing the HDD Thermal Sensor Install the HDD thermal-sensor cable on the system board. Route the HDD thermal-sensor cable around the computer chassis. Fasten the latch that secures the HDD thermal-sensor cable. Install: a. right cover b. left cover Follow the procedures in After Working Inside Your Computer.

  • Page 45: Installing The Processor

    NOTE: Damaging pins during removal of the processor can cause damage to the processor. Repeat the above steps to remove the second processor (if available) from the computer. To verify if your computer has dual processor slots, see the System Board components. Installing the Processor Place the processor in its socket.
  • Page 46 b. right cover Disconnect the hard-drive fan cable from the system board. Route the cable from below the computer chassis as indicated. Remove the screws that secure the hard-drive fan to the computer chassis and remove the fan from the computer.

  • Page 47: Installing The Hard-Drive Fan

    Installing the Hard-Drive Fan Install the screws that secure the hard-drive fan to the system chassis. Route the hard-drive fan cable through the chassis and connect it to its slot on the system board. Install: a. left cover b. right cover Follow the procedures in After Working Inside Your Computer.

  • Page 48: Installing The Power Supply Unit (Psu) Card

    Installing the Power Supply Unit (PSU) Card Install the screws that secure the PSU card to the chassis. Connect all the cables to the PSU card. Install: a. PSU b. right cover Follow the procedures in After Working Inside Your Computer.
  • Page 49 Remove the screws that secure the system board to the chassis. Perform the following steps as shown in the illustration: a. Slide the system board towards front direction [1]. b. Tilt the system board [2].

  • Page 50: Installing The System Board

    Lift the system board in an upward direction and remove it from the computer. Installing the System Board Align the system board to the port connectors on the back of the chassis and place the system board in the chassis. Tighten the screws that secure the system board to the chassis.

  • Page 51: System Board Components

    g. memory shrouds h. optical drive holder optical drive left cover Follow the procedures in After Working Inside Your Computer. System Board Components The following image displays the system board components . PCI card slot (slot 5) PCI Express 3.0 x16 card slot (slot 4) PCI Express 2.0 x16 (x4 electrically) card slot PCI Express 3.0 x16 card slot (slot 2) (slot 3)
  • Page 52 CPU power connector HDD2 fan connector CPU power connector system fan connector DIMM slots processor socket DIMM slots remote power connector thunderbolt side band connector system fan connector system fan connector internal speaker connector integrated SAS0 connector integrated SAS1 connector main power connector CMOS Clear Jumper password jumper...

  • Page 53: Additional Information

    Additional Information This section provides information for the additional features that are part of your computer. Memory Module Guidelines To ensure optimal performance of your computer, observe the following general guidelines when configuring your system memory: • Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populated channels must have identical configurations.

  • Page 54: Power Supply Unit (Psu) Lock

    Power Supply Unit (PSU) Lock The PSU lock prevents the removal of the PSU from the chassis. NOTE: To lock or unlock the PSU, always ensure that the cover of the chassis is removed. To secure the PSU, remove the screw from the unlock screw location and tighten the screw to the lock location.

  • Page 55: System Setup

    Boot Sequence allows you to bypass the System Setup‐defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: •...

  • Page 56: System Setup Options

    Table 1. Navigation Keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. <Enter> Allows you to select a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop‐down list, if applicable.
  • Page 57 Option Description • Enable Legacy Option ROMs (Default) Date/Time Allows you to set the date and time. The changes to the system date and time takes effect immediately. Table 3. System Configuration Option Description Integrated NIC Allows you to configure the integrated network controller. The options are: •...
  • Page 58 Option Description Tower 7910 • SATA–0 • SATA–1 Default Setting: All drives are enabled. NOTE: If the hard drives are connected to a RAID controller card, the hard drives will display {none} in all the fields. The hard drives can be seen in the RAID controller card BIOS. SMART Reporting This field controls if the hard drive errors for the integrated drives are reported during system startup.
  • Page 59 Option Description (memory-mapped IO) and the operating system. • Small (Default) • Large Table 4. Video Option Description Primary Video Slot Allows you to configure primary boot video device. The options are: • Auto (Default) • SLOT 1 • SLOT 2: VGA Compatible •...
  • Page 60 Option Description CPU XD Support Allows you to enable the Execute Disable mode of the processor. • Enable CPU XD Support (Default) OROM Keyboard Allows you to determine whether users are able to enter Option ROM Access Configuration screens via hotkeys during boot. The options are: •...
  • Page 61 Default Setting: Enabled Default Setting: Enable Hardware Cache Prefetch Prefetch and Adjacent Cache Line Prefetch Dell Reliable Memory Technology (RMT) Allows you to identify and isolate memory errors in system RAM.. Default Setting: Enable Dell Reliable Memory Technology (RMT) Table 8. Power Management...
  • Page 62 Option Description • Last Power State Auto On Time Allows you to set the time at which the computer must turn on automatically. The options are: • Disabled (Default) • Every Day • Weekdays • Select Days Deep Sleep Control Allows you to define the controls when Deep Sleep is enabled.
  • Page 63 Option Description Fastboot Allows you to speed up the boot process by bypassing some compatibility steps. The options are: • Minimal • Thorough - This option is enabled by default. • Auto Table 10. Virtualization Support Option Description Virtualization This option specifies whether a Virtual Machine Monitor (VMM) can utilize the additional hardware capabilities provided by Intel Virtualization technology.

  • Page 64: Updating The Bios

    For laptops, ensure that your computer battery is fully charged and connected to a power outlet Re-start the computer. Go to dell.com/support. Enter the Service Tag or Express Service Code and click Submit. NOTE: To locate the Service Tag, click Where is my Service Tag? NOTE: If you cannot find your Service Tag, click Detect My Product.

  • Page 65: Assigning A System Password And Setup Password

    CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended. NOTE: Your computer is shipped with the system and setup password feature disabled. Assigning a System Password and Setup Password You can assign a new System Password and/or Setup Password or change an existing System Password and/or Setup Password only when Password Status is Unlocked.

  • Page 66: Disabling A System Password

    NOTE: If you change the System and/or Setup password, re-enter the new password when promoted. If you delete the System and/or Setup password, confirm the deletion when promoted. Press <Esc> and a message prompts you to save the changes. Press <Y> to save the changes and exit from the System Setup. The computer reboots.

  • Page 67: Diagnostics

    Diagnostics If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.

  • Page 68: Troubleshooting Your Computer

    Troubleshooting Your Computer You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error Messages during the operation of the computer. Diagnostic LEDs NOTE: The diagnostic LEDs only serve as an indicator of the progress through the Power-On Self Test (POST) process.
  • Page 69 Check the PSU cabling to Motherboard to make sure that all cables are installed correctly. If two or more memory modules A possible Motherboard, are installed, remove the Memory, or CPU failure has modules, then reinstall one occurred module and restart the computer.

  • Page 70: Error Messages

    at a time) until you have identified all modules without error. If available, install working memory of the same type into your computer. Re-seat the 2x2 power Power connector not installed connector from the power properly. supply unit. Ensure that no special Memory modules are detected, requirements for memory but a memory configuration or...

  • Page 71: Errors That Do Not Halt Your Computer

    Table 16. Errors that halt your computer completely Error Message Error! Non-ECC DIMMs are not supported on this system. Alert! Processor cache size is mismatched. Install like processor or one processor. Alert! Processor type mismatch. Install like processor or one processor. Alert! Processor speed mismatch Install like processor or one processor.
  • Page 72 Your current power supply does not support the recent configuration changes made to your system. Please contact Dell Technical support team to learn about upgrading to a higher wattage power supply. Dell Reliable Memory Technology (RMT) has discovered and isolated errors in system memory. You may continue to work.

  • Page 73: Technical Specifications

    Technical 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.
  • Page 74 Table 23. Audio Feature Specification Integrated Realtek ALC3220 audio codec Table 24. Network Feature Specification Tower 7910 Intel i217 and Intel i210 Table 25. Expansion Interfaces Feature Specification PCI: SLOT1 PCI Express 3.0 x16 (x4 electrical), 16GB/s SLOT2 PCI Express 3.0 x16, 16GB/s SLOT3 PCI Express 2.0 x16 (x4 electrical), 16GB/s SLOT4...
  • Page 75 Feature Specification • supports up to four 2.5–inches hard drives (with optional adapters) 3.5–inch hard drive bays four NOTE: These hard drive bays can hold four 2.5–inch hard drive with supplied HDD caddy. Internally accessible none Table 27. External Connectors Feature Specification Audio...
  • Page 76 Feature Specification Back I/O: PCI Express PCI Express x4 Tower 7910 one 98–pin connector, one 164-pin connector PCI Express x16 Tower 7910 two 164-pin connectors (four when optional second processor is installed) PCI 2.3 one 124-pin connector Front I/O: Front USB one 14–pin connector Internal USB one type A female, one dual-port 2x5 header...
  • Page 77 Feature Specification Network activity lights (back panel) yellow light — flashes when there is network activity on the connection. Table 30. Power Feature Specification Coin-cell battery 3 V CR2032 lithium coin cell Voltage 100 VAC to 240 VAC Wattage • 1000 W (input voltage 100 VAC –...
  • Page 78 Feature Specification Storage 105 G +/- 5% with pulse duration of 2 msec +/- 10% (equivalent to 127 cm/sec [50 in/sec]) Altitude: Operating –15.2 m to 3048 m (-50 ft to 10,000 ft) Storage –15.2 m to 10,668 m (-50 ft to 35,000 ft) Airborne contaminant level G1 as defined by ISA-S71.04-1985...

  • Page 79: Contacting Dell

    Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: GO to dell.com/support.

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