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Dell OptiPlex 7020 Mini Tower Owner's Manual

Show Table of Contents

  • Notes, Cautions, and Warnings

  • Working on Your Computer
    • Before Working Inside Your Computer
    • Turning Off Your Computer
    • After Working Inside Your Computer

  • Removing and Installing Components
    • Recommended Tools
    • Front and Back View
    • Removing the Cover
    • Installing the Cover
    • Removing the Intrusion Switch
    • Installing the Intrusion Switch
    • Removing the Wireless Local Area Network (WLAN) Card
    • Installing the Wireless Local Area Network (WLAN) Card
    • Removing the Front Bezel
    • Installing the Front Bezel
    • Removing the Expansion Card
    • Installing the Expansion Card
    • Memory Module Guidelines
    • Removing the Memory
    • Installing the Memory
    • Removing the Coin-Cell Battery
    • Installing the Coin-Cell Battery
    • Removing the Hard Drive
    • Installing the Hard Drive
    • Removing the Optical Drive
    • Installing the Optical Drive
    • Removing the Speaker
    • Installing the Speaker
    • Removing the Power Supply
    • Installing the Power Supply
    • Removing the Heat Sink Assembly
    • Installing the Heat Sink Assembly
    • Removing the Processor
    • Installing the Processor
    • Removing the System Fan
    • Installing the System Fan
    • Removing the Thermal Sensor
    • Installing the Thermal Sensor
    • Removing the Power Switch
    • Installing the Power Switch
    • Removing the Input/Output (I/O) Panel
    • Installing the Input/Output (I/O) Panel
    • Removing the System Board
    • Installing the System Board
    • System Board Layout

  • System Setup
    • Boot Sequence
    • Navigation Keys
    • System Setup Options
    • Updating the BIOS
    • Jumper Settings
    • System and Setup Password
      • Assigning a System Password and Setup Password
      • Deleting or Changing an Existing System and/or Setup Password
      • Disabling a System Password

  • Diagnostics
    • Enhanced Pre-Boot System Assessment (ePSA) Diagnostics

  • Troubleshooting Your Computer
    • Power LED Diagnostics
    • Beep Code
    • Error Messages

  • Specifications

  • Contacting Dell

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    Specifications

    • NOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start Start icon(Start icon) > Help and Support, and then select the option to view information about your computer.
    Table 1. Processor
    FeatureSpecification
    Processor type
    • Intel Core i3/i5/i7 series

    • Intel Dual Core series

    Total CacheUp to 8 MB cache depending on processor type
    Table 2. Memory
    FeatureSpecification
    Type DDR3
    Speed 1600MHz
    Connectors: 
     Mini-Tower, Small Form Factorfour DIMM slots
    Capacity 2 GB, 4 GB, and 8 GB
    Minimum Memory 2 GB
    Maximum memory16 GB
    Table 3. Video
    Feature Specification
    IntegratedIntel HD Graphics 4600 (i3/i5/i7 DC/QC Intel 8 Series Express chipset CPU-GPU Combo) and Intel HD Graphics ( Pentium CPU-GPU)
    DiscretePCI Express x16 graphics adapter
    Table 4. Audio
    FeatureSpecification
    Integratedtwo channel High Definition Audio
    Table 5. Network
    FeatureSpecification
    IntegratedIntel I217LM Ethernet capable of 10/100/1000 Mb/s communication
    Table 6. System Information
    FeatureSpecification
    System chipsetIntel 8 series Express chipset
    DMA Channelstwo 8237 DMA controllers with seven independently programmable channels
    Interrupt LevelsIntegrated I/O APIC capability with 24 interrupts
    BIOS Chip (NVRAM)12 MB
    Table 7. Expansion Bus
    FeatureSpecification
    Bus TypePCIe gen2, gen3 (x16), USB 2.0, and USB 3.0
    Bus SpeedPCI Express:
    • x1-slot each direction speed –500 MB/s
    • x16-slot each direction speed–16 GB/s
     SATA: 1.5 Gbps, 3.0 Gbps, and 6 Gbps
    Table 8. Cards
    FeatureSpecification
    PCI:
     Mini-Towerup to one full-height card
     Small Form Factornone
    PCI Express x1:
     Mini-Towerup to three full-height cards
     Small Form Factorup to two low-profile cards
    PCI-Express x16:
     Mini-Towerup to two full-height cards
     Small Form Factorup to two low-profile cards
    Table 9. Drives
    FeatureSpecification
    Externally Accessible (5.25-inch drive bays):  
     Mini-Towertwo
     Small Form Factorone slim-optical drive bay
    Internally Accessible 
     3.5-inch SATA drive bays:  
     Mini-Towertwo
     Small Form Factorone
     2.5-inch SATA drive bays:  
     Mini-Towertwo
     Small Form Factortwo
    Table 10. External Connectors
    Feature Specification
    Audio:
     Front Panel
    • one microphone connector
    • one headphone connector
     Back Panel
    • one line-out connector
    • one line-in/microphone connector
    Network Adapter one RJ45 connector
    Serialone 9-pin connector; 16550 C compatible
    Parallelone 25-pin connector (optional for minitower and small form factor)
    USB 2.0:
    • Front Panel: two
    • Back Panel: four
    USB 3.0:
    • Front Panel: two
    • Back Panel: two
    Video
    • 15-pin VGA connector
    • two 20-pin DisplayPort connectors
    • NOTE: Available video connectors may vary based on the graphics card selected.
    Table 11. Internal Connectors
    Feature Specification
    PCI 2.3 data width (maximum) – 32 bits
     Mini-Towerone 120-pin connector
     Small Form Factornone
    PCI Express x1 data width (maximum) – one PCI Express lane
     Mini-Towerone 36-pin connector
     Small Form Factornone
    PCI Express x16 (wired as x4) data width (maximum) – four PCI Express lanes
     Mini-Towerone 164-pin connector
      Small Form Factorone 64-pin connector
    PCI Express x16 data width (maximum) – 16 PCI Express lanes
     Mini-Tower, Small Form Factorone 164-pin connector
    Mini PCI Express data width (maximum) – one PCI Express lane and one USB interface
     Mini-Tower, Small Form Factornone
    Serial ATA: 
     Mini-Towerfour 7-pin connectors
     Small Form Factorthree 7-pin connectors
    Memory: 
     Mini-Tower, Small Form Factorfour 240-pin connectors
    Internal USB: 
     Mini-Towerone 10-pin connector
     Small Form Factornone
    System Fanone 5-pin connector
    Front panel control: 
     Mini-Tower
    • one 6–pin connector
    • two 20–pin connector
      Small Form Factor
    • one 6-pin connector
    • one 10-pin connector
    • one 12-pin connector
    • one 20-pin connector
    Thermal Sensor: 
     Mini-Towerone 2-pin connector
     Small Form Factornone
    Processorone 1150-pin connector
    Processor Fanone 5-pin connector
    Service mode jumperone 2-pin connector
    Password clear jumperone 2-pin connector
    RTC reset jumperone 2-pin connector
    Internal speakerone 5-pin connector
    Intruder connectorone 3-pin connector
    Power connector: 
     Mini-Tower, Small Form Factorone 8-pin, one 4-pin, one 6-pin, connector
    Table 12. Controls and Lights
    Feature Specification
    Front of the computer:
     Power button lightWhite light — Solid white light indicates power-on state; blinking white light indicates sleep state of the computer.
     Drive activity lightWhite light — Blinking white light indicates that the computer is reading data from or writing data to the hard drive.
    Back of the computer:
     Link integrity light on integrated network adapter Green — a good 10 Mbps connection exists between the network and the computer.
      Green — a good 100 Mbps connection exists between the network and the computer.
      Orange — a good 1000 Mbps connection exists between the network and the computer.
      Off (no light) — the computer is not detecting a physical connection to the network.
     Network activity light on integrated network adapterYellow light — A blinking yellow light indicates that network activity is present.
     Power supply diagnostic lightGreen light — The power supply is turned on and is functional. The power cable must be connected to the power connector (at the back of the computer) and the electrical outlet.
    Table 13. Power
    • NOTE: Heat dissipation is calculated by using the power supply wattage rating.
     WattageMaximum Heat DissipationVoltage
    Mini-Tower290 W989.00 BTU/hr100 VAC to 240 VAC, 50 Hz to 60 Hz, 5 A
    Small Form Factor255 W870.00 BTU/hr100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.4 A
    Coin-cell battery3 V CR2032 lithium coin cell
    Table 14. Physical Dimension
     HeightWidthDepthWeight
    Mini-Tower36.00 cm (14.17 inches)17.50 cm (6.89 inches)41.70 cm (16.42 inches)9.40 kg (20.72 lb)
    Small Form Factor29.00 cm (11.42 inches)9.30 cm (3.66 inches)31.20 cm (12.28 inches)6.00 kg (13.22 lb)
    Table 15. Environmental
    FeatureSpecification
    Temperature range:
     Operating5 °C to 35 °C (41 °F to 95 °F)
     Storage–40 °C to 65 °C (–40 °F to 149 °F)
    Relative humidity (maximum):
     Operating20 percent to 80 percent (non-condensing)
     Storage5 percent to 95 percent (non-condensing)
    Maximum vibration:
     Operating0.26 GRMS
     Storage2.20 GRMS
    Maximum shock:
     Operating40 G
     Storage105 G
    Altitude:
     Operating–15.2 m to 3048 m (–50 to 10,000 ft)
     Storage–15.20 m to 10,668 m (–50 ft to 35,000 ft)
     Airborne contaminant levelG1 or lower as defined by ANSI/ISA-S71.04-1985
    Data is not available for the Topic

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