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OptiPlex 7000 Tower Service Manual

PDF

Installing the system board

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The following image indicates the connectors on your system board.

System board layout

  1. ATX CPU power connector
  2. ATX CPU power connector
  3. Memory module connectors
  4. Power button connector
  5. SD card reader connector
  6. M.2 PCIe SSD connector
  7. M.2 PCIe SSD connector
  8. SATA0 connector (blue)
  9. Two SATA1/2 connector (black)
  10. SATA3 connector (white)
  11. SATA power cable connector
  12. M.2 WLAN connector
  13. System power connector
  14. Internal speaker connector
  15. Coin-cell battery
  16. Thunderbolt header
  17. PCIe x4 (Slot4)
  18. PCI (Slot3)
  19. PCIe x16 (Slot2)
  20. PCIe x1 (Slot1)
  21. System fan connector
  22. Chassis Intrusion Detection connector
  23. Type-C connector
  24. Processor socket

The following images indicate the location of the system board and provide a visual representation of the installation procedure.

Place the system board into the chassis

Installing the system board

Replace the eight screws to secure the system board

Replace the single screw to secure the I/O bracket

Steps

  1. Slide the front I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the system board with the screw holes on the chassis.
  2. Replace the three (M2x4) screws screw to secure the system board to the chassis.
  3. Replace the seven (#6-32) screws that secure the system board to the chassis.
  4. Route the cables through the routing guides on the chassis and connect the power and HDD cables to their respective connectors on the system board.
  5. Lift the pull tab to close the PCIe door.
  6. Align the front I/O-bracket with the slots on the chassis.
  7. Replace the (#6-32) screw that secures the front I/O-bracket to the chassis.

Next steps

  1. Install the processor.
  2. Install the chassis fan.
  3. Install the processor fan and 125 W heat-sink assembly or processor fan and heat-sink assembly.
  4. Install the coin-cell battery.
  5. Install the VR heatsink.
  6. Remove the intrusion switch.
  7. Remove the speaker.
  8. Install the powered GPU.
    NOTE:This step is required only if the system is configured with powered GPU.
  9. Install the graphics card.
  10. Install the M.2 2230 SSD/M.2 2280 SSD.
  11. Install the WLAN.
  12. Install the memory module.
  13. Install the front bezel.
  14. Install the side cover.
  15. Follow the procedure in after working inside your computer.
    NOTE:Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
    NOTE:Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board.
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